diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..549e00a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
diff --git a/.mvn/wrapper/maven-wrapper.jar b/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000..c1dd12f
Binary files /dev/null and b/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000..b7cb93e
--- /dev/null
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar
diff --git a/mvnw b/mvnw
new file mode 100644
index 0000000..8a8fb22
--- /dev/null
+++ b/mvnw
@@ -0,0 +1,316 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+# JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+# M2_HOME - location of maven2's installed home dir
+# MAVEN_OPTS - parameters passed to the Java VM when running Maven
+# e.g. to debug Maven itself, use
+# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+ if [ -f /usr/local/etc/mavenrc ] ; then
+ . /usr/local/etc/mavenrc
+ fi
+
+ if [ -f /etc/mavenrc ] ; then
+ . /etc/mavenrc
+ fi
+
+ if [ -f "$HOME/.mavenrc" ] ; then
+ . "$HOME/.mavenrc"
+ fi
+
+fi
+
+# OS specific support. $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+ CYGWIN*) cygwin=true ;;
+ MINGW*) mingw=true;;
+ Darwin*) darwin=true
+ # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+ # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+ if [ -z "$JAVA_HOME" ]; then
+ if [ -x "/usr/libexec/java_home" ]; then
+ export JAVA_HOME="`/usr/libexec/java_home`"
+ else
+ export JAVA_HOME="/Library/Java/Home"
+ fi
+ fi
+ ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+ if [ -r /etc/gentoo-release ] ; then
+ JAVA_HOME=`java-config --jre-home`
+ fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+ ## resolve links - $0 may be a link to maven's home
+ PRG="$0"
+
+ # need this for relative symlinks
+ while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG="`dirname "$PRG"`/$link"
+ fi
+ done
+
+ saveddir=`pwd`
+
+ M2_HOME=`dirname "$PRG"`/..
+
+ # make it fully qualified
+ M2_HOME=`cd "$M2_HOME" && pwd`
+
+ cd "$saveddir"
+ # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=`cygpath --unix "$M2_HOME"`
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME="`(cd "$M2_HOME"; pwd)`"
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+ javaExecutable="`which javac`"
+ if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+ # readlink(1) is not available as standard on Solaris 10.
+ readLink=`which readlink`
+ if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+ if $darwin ; then
+ javaHome="`dirname \"$javaExecutable\"`"
+ javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+ else
+ javaExecutable="`readlink -f \"$javaExecutable\"`"
+ fi
+ javaHome="`dirname \"$javaExecutable\"`"
+ javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+ JAVA_HOME="$javaHome"
+ export JAVA_HOME
+ fi
+ fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+ if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ else
+ JAVACMD="`\\unset -f command; \\command -v java`"
+ fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+ echo "Error: JAVA_HOME is not defined correctly." >&2
+ echo " We cannot execute $JAVACMD" >&2
+ exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+ echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+ if [ -z "$1" ]
+ then
+ echo "Path not specified to find_maven_basedir"
+ return 1
+ fi
+
+ basedir="$1"
+ wdir="$1"
+ while [ "$wdir" != '/' ] ; do
+ if [ -d "$wdir"/.mvn ] ; then
+ basedir=$wdir
+ break
+ fi
+ # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+ if [ -d "${wdir}" ]; then
+ wdir=`cd "$wdir/.."; pwd`
+ fi
+ # end of workaround
+ done
+ echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+ if [ -f "$1" ]; then
+ echo "$(tr -s '\n' ' ' < "$1")"
+ fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+ exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found .mvn/wrapper/maven-wrapper.jar"
+ fi
+else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+ fi
+ if [ -n "$MVNW_REPOURL" ]; then
+ jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+ else
+ jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+ fi
+ while IFS="=" read key value; do
+ case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+ esac
+ done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Downloading from: $jarUrl"
+ fi
+ wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+ if $cygwin; then
+ wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+ fi
+
+ if command -v wget > /dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found wget ... using wget"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+ else
+ wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+ fi
+ elif command -v curl > /dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found curl ... using curl"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ curl -o "$wrapperJarPath" "$jarUrl" -f
+ else
+ curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+ fi
+
+ else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Falling back to using Java to download"
+ fi
+ javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+ # For Cygwin, switch paths to Windows format before running javac
+ if $cygwin; then
+ javaClass=`cygpath --path --windows "$javaClass"`
+ fi
+ if [ -e "$javaClass" ]; then
+ if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Compiling MavenWrapperDownloader.java ..."
+ fi
+ # Compiling the Java class
+ ("$JAVA_HOME/bin/javac" "$javaClass")
+ fi
+ if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ # Running the downloader
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Running MavenWrapperDownloader.java ..."
+ fi
+ ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+ fi
+ fi
+ fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+ echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=`cygpath --path --windows "$M2_HOME"`
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+ [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+ MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+ $MAVEN_OPTS \
+ $MAVEN_DEBUG_OPTS \
+ -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+ "-Dmaven.home=${M2_HOME}" \
+ "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+ ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/mvnw.cmd b/mvnw.cmd
new file mode 100644
index 0000000..1d8ab01
--- /dev/null
+++ b/mvnw.cmd
@@ -0,0 +1,188 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements. See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership. The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License. You may obtain a copy of the License at
+@REM
+@REM https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied. See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+ IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Found %WRAPPER_JAR%
+ )
+) else (
+ if not "%MVNW_REPOURL%" == "" (
+ SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+ )
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Couldn't find %WRAPPER_JAR%, downloading it ...
+ echo Downloading from: %DOWNLOAD_URL%
+ )
+
+ powershell -Command "&{"^
+ "$webclient = new-object System.Net.WebClient;"^
+ "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+ "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+ "}"^
+ "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+ "}"
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Finished downloading %WRAPPER_JAR%
+ )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+ %JVM_CONFIG_MAVEN_PROPS% ^
+ %MAVEN_OPTS% ^
+ %MAVEN_DEBUG_OPTS% ^
+ -classpath %WRAPPER_JAR% ^
+ "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+ %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..b1e5780
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,42 @@
+
+
+ 4.0.0
+
+ org.springframework.boot
+ spring-boot-starter-parent
+ 2.6.4
+
+
+ com.gdn.onboarding.java.two
+ onboarding-java
+ 0.0.1-SNAPSHOT
+ onboarding-java
+ Demo project for Spring Boot
+
+ 1.8
+
+
+
+ org.springframework.boot
+ spring-boot-starter
+
+
+
+ org.springframework.boot
+ spring-boot-starter-test
+ test
+
+
+
+
+
+
+
+ org.springframework.boot
+ spring-boot-maven-plugin
+ org.apache.maven.pluginsmaven-compiler-plugin88
+
+
+
+
diff --git a/src/main/java/com/gdn/onboarding/java/two/assignment/bubblesort/BubbleSort.java b/src/main/java/com/gdn/onboarding/java/two/assignment/bubblesort/BubbleSort.java
new file mode 100644
index 0000000..e2a8364
--- /dev/null
+++ b/src/main/java/com/gdn/onboarding/java/two/assignment/bubblesort/BubbleSort.java
@@ -0,0 +1,24 @@
+package com.gdn.onboarding.java.two.assignment.bubblesort;
+
+public class BubbleSort {
+
+ public Integer[] sortInteger(Integer[] arrayOfInt) {
+ Integer arrayLength = arrayOfInt.length;
+
+ if(arrayLength == 0){
+ throw new NullPointerException("Array is null!");
+ }
+
+ for(int i=0; i arrayOfInt[j]){
+ Integer temp = arrayOfInt[i];
+ arrayOfInt[i] = arrayOfInt[j];
+ arrayOfInt[j] = temp;
+ }
+ }
+ }
+
+ return arrayOfInt;
+ }
+}
diff --git a/src/main/java/com/gdn/onboarding/java/two/assignment/calendar/Calendar.java b/src/main/java/com/gdn/onboarding/java/two/assignment/calendar/Calendar.java
new file mode 100644
index 0000000..a18e095
--- /dev/null
+++ b/src/main/java/com/gdn/onboarding/java/two/assignment/calendar/Calendar.java
@@ -0,0 +1,38 @@
+package com.gdn.onboarding.java.two.assignment.calendar;
+
+public class Calendar {
+ public String convertToMonth(Integer month){
+ if(month == null) {
+ throw new NullPointerException("Parameter can not be null!");
+ }
+
+ switch (month) {
+ case 1:
+ return "January";
+ case 2:
+ return "February";
+ case 3:
+ return "March";
+ case 4:
+ return "April";
+ case 5:
+ return "May";
+ case 6:
+ return "June";
+ case 7:
+ return "July";
+ case 8:
+ return "August";
+ case 9:
+ return "September";
+ case 10:
+ return "October";
+ case 11:
+ return "November";
+ case 12:
+ return "December";
+ default:
+ throw new IllegalArgumentException("Invalid Number");
+ }
+ }
+}
diff --git a/src/main/java/com/gdn/onboarding/java/two/assignment/factorial/Factorial.java b/src/main/java/com/gdn/onboarding/java/two/assignment/factorial/Factorial.java
new file mode 100644
index 0000000..6f9e170
--- /dev/null
+++ b/src/main/java/com/gdn/onboarding/java/two/assignment/factorial/Factorial.java
@@ -0,0 +1,21 @@
+package com.gdn.onboarding.java.two.assignment.factorial;
+
+public class Factorial {
+ public Integer calculateFactorial(Integer num) {
+ if(num == null) {
+ throw new NullPointerException("Parameter can not be null!");
+ }
+
+ if(num < 0) {
+ throw new IllegalArgumentException("Parameter can not be below zero!");
+ }
+
+ Integer result = 1;
+ while(num > 1) {
+ result *= num;
+ num--;
+ }
+ // System.out.println(result);
+ return result;
+ }
+}
diff --git a/src/main/java/com/gdn/onboarding/java/two/assignment/lettergrade/LetterGrade.java b/src/main/java/com/gdn/onboarding/java/two/assignment/lettergrade/LetterGrade.java
new file mode 100644
index 0000000..b3a2e2c
--- /dev/null
+++ b/src/main/java/com/gdn/onboarding/java/two/assignment/lettergrade/LetterGrade.java
@@ -0,0 +1,32 @@
+package com.gdn.onboarding.java.two.assignment.lettergrade;
+
+public class LetterGrade {
+ public Character gradeScore(Integer score) {
+ if(score == null) {
+ throw new NullPointerException("Parameter can not be null!");
+ }
+
+ if(score < 0 || score > 100) {
+ throw new IllegalArgumentException("Score can not be more than 100 or less than 0!");
+ }
+
+ if(score >= 90) {
+ return 'A';
+ }
+ else if(score >= 80) {
+ return 'B';
+ }
+ else if(score >= 70) {
+ return 'C';
+ }
+ else if(score >= 60) {
+ return 'D';
+ }
+ else if(score >= 50) {
+ return 'E';
+ }
+ else {
+ return 'F';
+ }
+ }
+}
diff --git a/src/main/java/com/gdn/onboarding/java/two/assignment/todolist/Task.java b/src/main/java/com/gdn/onboarding/java/two/assignment/todolist/Task.java
new file mode 100644
index 0000000..93610f0
--- /dev/null
+++ b/src/main/java/com/gdn/onboarding/java/two/assignment/todolist/Task.java
@@ -0,0 +1,27 @@
+package com.gdn.onboarding.java.two.assignment.todolist;
+
+public class Task {
+ private String date;
+ private String taskTitle;
+
+ public Task(String date, String taskTitle){
+ this.date = date;
+ this.taskTitle = taskTitle;
+ }
+
+ public String getDate() {
+ return date;
+ }
+
+ public void setDate(String date) {
+ this.date = date;
+ }
+
+ public String getTaskTitle() {
+ return taskTitle;
+ }
+
+ public void setTaskTitle(String taskTitle) {
+ this.taskTitle = taskTitle;
+ }
+}
diff --git a/src/main/java/com/gdn/onboarding/java/two/assignment/todolist/ToDoList.java b/src/main/java/com/gdn/onboarding/java/two/assignment/todolist/ToDoList.java
new file mode 100644
index 0000000..08cde83
--- /dev/null
+++ b/src/main/java/com/gdn/onboarding/java/two/assignment/todolist/ToDoList.java
@@ -0,0 +1,75 @@
+package com.gdn.onboarding.java.two.assignment.todolist;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ToDoList {
+ private List taskList = new ArrayList<>();
+
+ public List getTaskList() {
+ return taskList;
+ }
+
+ public void validateDate(String date){
+ if(date.matches("^\\d{2}-\\d{2}-\\d{4}")) {
+ String[] splittedDate = date.trim().split("-");
+ Integer day = Integer.valueOf(splittedDate[0]);
+ Integer month = Integer.valueOf(splittedDate[1]);
+ Integer year = Integer.valueOf(splittedDate[2]);
+
+ if(month == 2) {
+ if(year % 4 == 0 && day > 29 || year % 4 != 0 && day > 28) {
+ throw new IllegalArgumentException("Invalid Day!");
+ }
+ }
+ else if(month == 4 || month == 6 || month == 9 || month == 11) {
+ if(day > 30) {
+ throw new IllegalArgumentException("Invalid Day!");
+ }
+ }
+ else if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12){
+ if(day > 31) {
+ throw new IllegalArgumentException("Invalid Day!");
+ }
+ }
+ else {
+ throw new IllegalArgumentException("Invalid Month!");
+ }
+ }
+ else {
+ throw new IllegalArgumentException("Invalid Date Format!");
+ }
+ }
+
+ public void addTask(String date, String task) {
+ validateDate(date);
+ Task newTask = new Task(date, task);
+ taskList.add(newTask);
+ // System.out.println("Successfully Added!");
+ }
+
+ public void printTask() {
+ if(taskList.isEmpty()) {
+ throw new NullPointerException("No Task Available...");
+ }
+ else {
+ for(int i = 0; i< taskList.size(); i++) {
+ System.out.println((i+1) + ". " + taskList.get(i).getDate() + "\t" + taskList.get(i).getTaskTitle());
+ }
+ }
+ }
+
+ public void removeTask(int index) {
+ index = index - 1;
+
+ if(taskList.isEmpty()) {
+ throw new NullPointerException("No Available Task!");
+ }
+ if(index < 0 || index > taskList.size()) {
+ throw new IndexOutOfBoundsException("Invalid Index!");
+ }
+
+ taskList.remove(index);
+ System.out.println("Successfully Removed!");
+ }
+}
diff --git a/src/main/java/com/gdn/onboarding/java/two/calc/Calculator.java b/src/main/java/com/gdn/onboarding/java/two/calc/Calculator.java
new file mode 100644
index 0000000..481a53b
--- /dev/null
+++ b/src/main/java/com/gdn/onboarding/java/two/calc/Calculator.java
@@ -0,0 +1,46 @@
+package com.gdn.onboarding.java.two.calc;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Calculator {
+
+ public Logger log = LoggerFactory.getLogger(Calculator.class);
+
+ public Calculator() {
+ log.info("Created...");
+ // log.error("Error Log");
+ // log.warn("Warning Log");
+ // log.trace("Trace Log");
+ // log.debug("Debug Log");
+ }
+
+ public void validate(Integer int1, Integer int2) {
+ if(int1 == null || int2 == null){
+ throw new IllegalArgumentException("Paremeters can not be null!");
+ }
+ }
+
+ public Integer add(Integer int1, Integer int2) {
+ validate(int1, int2);
+ return int1 + int2;
+ }
+
+ public Integer subtract(Integer int1, Integer int2) {
+ validate(int1, int2);
+ return int1 - int2;
+ }
+
+ public Integer divide(Integer int1, Integer int2) {
+ validate(int1, int2);
+ if(int2 == 0){
+ throw new ArithmeticException("Second Parameter can not be 0!");
+ }
+ return int1 / int2;
+ }
+
+ public Integer multiply(Integer int1, Integer int2) {
+ validate(int1, int2);
+ return int1 * int2;
+ }
+}
diff --git a/src/main/java/com/gdn/onboarding/java/two/collections/Main.java b/src/main/java/com/gdn/onboarding/java/two/collections/Main.java
new file mode 100644
index 0000000..b6f64bc
--- /dev/null
+++ b/src/main/java/com/gdn/onboarding/java/two/collections/Main.java
@@ -0,0 +1,140 @@
+package com.gdn.onboarding.java.two.collections;
+
+import java.util.*;
+
+public class Main {
+
+ public static void main(String[] args) {
+ Human human = new Human<>();
+ Human human1 = new Human<>();
+
+ human.setData("string");
+ human1.setData(5);
+ }
+
+ public static void mapTest() {
+ Map stringStringMap = new HashMap<>();
+ stringStringMap.put("key1", "value1");
+ stringStringMap.put("key1", "value2");
+ stringStringMap.put("key2", "value3");
+
+ for(Map.Entry entry : stringStringMap.entrySet()) {
+ System.out.println(entry.getKey() + " " + entry.getValue());
+ }
+
+ System.out.println(stringStringMap.get("key1"));
+ }
+
+ public static void sortedSetTest() {
+ // Set emang berurutan, tapi tidak reliable
+ // SortedSet lebih reliable kalo butuh yang berurutan
+
+ SortedSet integerSortedSet = new TreeSet<>();
+ }
+
+ public static void humanSetTest() {
+ Set humanSet = new HashSet<>();
+
+ Human human1 = new Human();
+ human1.setId(1);
+ human1.setName("Ali");
+
+ Human human2 = new Human();
+ human2.setId(2);
+ human2.setName("Adi");
+
+ Human human3 = new Human();
+ human3.setName("Adi");
+ human3.setId(2);
+
+ humanSet.add(human1);
+ humanSet.add(human2);
+ humanSet.add(human3);
+
+ for(Human human : humanSet) {
+ System.out.println(human.getId() + " " + human.getName());
+ }
+ }
+
+ public static void setTest() {
+ // Set ini isinya harus unik, tidak bisa ada duplikasi
+ // Menggunakan HashSet karena isinya ini unique
+
+ Set integerSet = new HashSet<>();
+
+ integerSet.add(1);
+ integerSet.add(23);
+ integerSet.add(15);
+ integerSet.add(1);
+
+ for(int value : integerSet){
+ System.out.println(value);
+ }
+ }
+
+ public static void listTest() {
+ // di awal menggunakan Interfacenya, untuk Instansiasinya
+ // menggunakan class-nya
+
+ // Generic itu yang ada di dalem kurung < >
+
+ // di List atau Collection itu ngga ada batasnya kyk Array
+ // kalo tiba-tiba ditambahin lagi isinya, maka akan dilakukan
+ // intansiasi array baru dan isinya diduplikasi :)
+
+ List stringList = new ArrayList<>();
+ stringList.add("Halo");
+ stringList.add("Hello");
+ stringList.add(1, "Hi");
+ stringList.add("Hai");
+
+ for(String str : stringList){
+ System.out.println(str);
+ }
+
+ System.out.println(stringList.get(3));
+ }
+
+ public static class Human {
+ private String name;
+ private Integer id;
+ private T data;
+
+ public T getData() {
+ return data;
+ }
+
+ public void setData(T data) {
+ this.data = data;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+ Human human = (Human) o;
+ return Objects.equals(name, human.name) && Objects.equals(id, human.id);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(name, id);
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+ }
+}
diff --git a/src/main/java/com/gdn/onboarding/java/two/onboardingjava/OnboardingJavaApplication.java b/src/main/java/com/gdn/onboarding/java/two/onboardingjava/OnboardingJavaApplication.java
new file mode 100644
index 0000000..b5af3ed
--- /dev/null
+++ b/src/main/java/com/gdn/onboarding/java/two/onboardingjava/OnboardingJavaApplication.java
@@ -0,0 +1,13 @@
+package com.gdn.onboarding.java.two.onboardingjava;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class OnboardingJavaApplication {
+
+ public static void main(String[] args) {
+ SpringApplication.run(OnboardingJavaApplication.class, args);
+ }
+
+}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
new file mode 100644
index 0000000..5b77f93
--- /dev/null
+++ b/src/main/resources/application.properties
@@ -0,0 +1 @@
+logging.level.root=warn
diff --git a/src/test/java/com/gdn/onboarding/java/two/assignment/bubblesort/BubbleSortTest.java b/src/test/java/com/gdn/onboarding/java/two/assignment/bubblesort/BubbleSortTest.java
new file mode 100644
index 0000000..5a04439
--- /dev/null
+++ b/src/test/java/com/gdn/onboarding/java/two/assignment/bubblesort/BubbleSortTest.java
@@ -0,0 +1,32 @@
+package com.gdn.onboarding.java.two.assignment.bubblesort;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class BubbleSortTest {
+
+ public static final BubbleSort bubbleSort = new BubbleSort();
+
+ @Test
+ public void testBubbleSort_success() {
+ Integer[] arrayOfInteger = {9, -2, 4, -3, 9, 11};
+ Integer[] result = bubbleSort.sortInteger(arrayOfInteger);
+
+ Integer[] expectedSortedArray = {-3, -2, 4, 9, 9, 11};
+ Assertions.assertArrayEquals(expectedSortedArray, result);
+ }
+
+ @Test
+ public void testBubbleSort_failed() {
+ Assertions.assertThrows(NullPointerException.class, ()->{
+ Integer[] arrayOfInteger = {};
+ Integer[] result = bubbleSort.sortInteger(arrayOfInteger);
+
+ Integer[] expectedSortedArray = {null};
+ Assertions.assertArrayEquals(expectedSortedArray, result);
+ });
+ }
+
+}
\ No newline at end of file
diff --git a/src/test/java/com/gdn/onboarding/java/two/assignment/calendar/CalendarTest.java b/src/test/java/com/gdn/onboarding/java/two/assignment/calendar/CalendarTest.java
new file mode 100644
index 0000000..7f1e389
--- /dev/null
+++ b/src/test/java/com/gdn/onboarding/java/two/assignment/calendar/CalendarTest.java
@@ -0,0 +1,101 @@
+package com.gdn.onboarding.java.two.assignment.calendar;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.mockito.internal.matchers.Null;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class CalendarTest {
+
+ public static final Calendar calendar = new Calendar();
+
+ @Test
+ public void testConvertToMonth_Jan() {
+ String month = calendar.convertToMonth(1);
+ Assertions.assertEquals("January", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Feb() {
+ String month = calendar.convertToMonth(2);
+ Assertions.assertEquals("February", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Mar() {
+ String month = calendar.convertToMonth(3);
+ Assertions.assertEquals("March", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Apr() {
+ String month = calendar.convertToMonth(4);
+ Assertions.assertEquals("April", month);
+ }
+
+ @Test
+ public void testConvertToMonth_May() {
+ String month = calendar.convertToMonth(5);
+ Assertions.assertEquals("May", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Jun() {
+ String month = calendar.convertToMonth(6);
+ Assertions.assertEquals("June", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Jul() {
+ String month = calendar.convertToMonth(7);
+ Assertions.assertEquals("July", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Aug() {
+ String month = calendar.convertToMonth(8);
+ Assertions.assertEquals("August", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Sept() {
+ String month = calendar.convertToMonth(9);
+ Assertions.assertEquals("September", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Oct() {
+ String month = calendar.convertToMonth(10);
+ Assertions.assertEquals("October", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Nov() {
+ String month = calendar.convertToMonth(11);
+ Assertions.assertEquals("November", month);
+ }
+
+ @Test
+ public void testConvertToMonth_Dec() {
+ String month = calendar.convertToMonth(12);
+ Assertions.assertEquals("December", month);
+ }
+
+ @Test
+ public void testConvertToMonth_InvalidNum() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ String month = calendar.convertToMonth(13);
+ Assertions.assertEquals("January", month);
+ });
+ }
+
+ @Test
+ public void testConvertToMonth_failed() {
+ Assertions.assertThrows(NullPointerException.class, ()->{
+ String month = calendar.convertToMonth(null);
+ Assertions.assertEquals("January", month);
+ });
+ }
+
+}
\ No newline at end of file
diff --git a/src/test/java/com/gdn/onboarding/java/two/assignment/factorial/FactorialTest.java b/src/test/java/com/gdn/onboarding/java/two/assignment/factorial/FactorialTest.java
new file mode 100644
index 0000000..1c3990b
--- /dev/null
+++ b/src/test/java/com/gdn/onboarding/java/two/assignment/factorial/FactorialTest.java
@@ -0,0 +1,39 @@
+package com.gdn.onboarding.java.two.assignment.factorial;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class FactorialTest {
+
+ public static final Factorial factorial = new Factorial();
+
+ @Test
+ public void testCalculateFactorial_success() {
+ Integer result = factorial.calculateFactorial(10);
+ Assertions.assertEquals(3628800, result);
+ }
+
+ @Test
+ public void testCalculateFactorial_zero_success() {
+ Integer result = factorial.calculateFactorial(0);
+ Assertions.assertEquals(1, result);
+ }
+
+ @Test
+ public void testCalculateFactorial_negative_failed() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ Integer result = factorial.calculateFactorial(-10);
+ Assertions.assertEquals(0, result);
+ });
+ }
+
+ @Test
+ public void testCalculateFactorial_null_failed() {
+ Assertions.assertThrows(NullPointerException.class, ()->{
+ Integer result = factorial.calculateFactorial(null);
+ Assertions.assertEquals(2, result);
+ });
+ }
+}
\ No newline at end of file
diff --git a/src/test/java/com/gdn/onboarding/java/two/assignment/lettergrade/LetterGradeTest.java b/src/test/java/com/gdn/onboarding/java/two/assignment/lettergrade/LetterGradeTest.java
new file mode 100644
index 0000000..7835653
--- /dev/null
+++ b/src/test/java/com/gdn/onboarding/java/two/assignment/lettergrade/LetterGradeTest.java
@@ -0,0 +1,71 @@
+package com.gdn.onboarding.java.two.assignment.lettergrade;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class LetterGradeTest {
+
+ public static final LetterGrade letterGrade = new LetterGrade();
+
+ @Test
+ public void testGradeScore_A() {
+ Character grade = letterGrade.gradeScore(94);
+ Assertions.assertEquals('A', grade);
+ }
+
+ @Test
+ public void testGradeScore_B() {
+ Character grade = letterGrade.gradeScore(86);
+ Assertions.assertEquals('B', grade);
+ }
+
+ @Test
+ public void testGradeScore_C() {
+ Character grade = letterGrade.gradeScore(70);
+ Assertions.assertEquals('C', grade);
+ }
+
+ @Test
+ public void testGradeScore_D() {
+ Character grade = letterGrade.gradeScore(62);
+ Assertions.assertEquals('D', grade);
+ }
+
+ @Test
+ public void testGradeScore_E() {
+ Character grade = letterGrade.gradeScore(57);
+ Assertions.assertEquals('E', grade);
+ }
+
+ @Test
+ public void testGradeScore_F() {
+ Character grade = letterGrade.gradeScore(22);
+ Assertions.assertEquals('F', grade);
+ }
+
+ @Test
+ public void testGradeScore_null_failed() {
+ Assertions.assertThrows(NullPointerException.class, ()->{
+ Character grade = letterGrade.gradeScore(null);
+ Assertions.assertEquals('F', grade);
+ });
+ }
+
+ @Test
+ public void testGradeScore_belowZero_failed() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ Character grade = letterGrade.gradeScore(-9);
+ Assertions.assertEquals('F', grade);
+ });
+ }
+
+ @Test
+ public void testGradeScore_failed() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ Character grade = letterGrade.gradeScore(102);
+ Assertions.assertEquals('A', grade);
+ });
+ }
+}
\ No newline at end of file
diff --git a/src/test/java/com/gdn/onboarding/java/two/assignment/todolist/ToDoListTest.java b/src/test/java/com/gdn/onboarding/java/two/assignment/todolist/ToDoListTest.java
new file mode 100644
index 0000000..ca047e2
--- /dev/null
+++ b/src/test/java/com/gdn/onboarding/java/two/assignment/todolist/ToDoListTest.java
@@ -0,0 +1,105 @@
+package com.gdn.onboarding.java.two.assignment.todolist;
+
+import org.junit.jupiter.api.*;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
+class ToDoListTest {
+
+ public static ToDoList toDoList = new ToDoList();
+ private final PrintStream standardOut = System.out;
+ private final ByteArrayOutputStream outputStreamCaptor = new ByteArrayOutputStream();
+
+ @BeforeEach
+ public void setUp() {
+ System.setOut(new PrintStream(outputStreamCaptor));
+ }
+
+ @Test
+ @Order(1)
+ public void testAddTask_success() {
+ toDoList.addTask("08-03-2022", "Learn Java");
+ List taskList = toDoList.getTaskList();
+
+ List expectedTaskList = new ArrayList<>();
+ expectedTaskList.add(new Task("08-03-2022", "Learn Java"));
+
+ Assertions.assertEquals(expectedTaskList.size(), taskList.size());
+ Assertions.assertEquals(expectedTaskList.get(0).getDate(), taskList.get(0).getDate());
+ Assertions.assertEquals(expectedTaskList.get(0).getTaskTitle(), taskList.get(0).getTaskTitle());
+ }
+
+ @Test
+ public void testAddTask_invalidDay() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ toDoList.addTask("29-02-2022", "Learn Java");
+ List taskList = toDoList.getTaskList();
+ });
+ }
+
+ @Test
+ public void testAddTask_invalidMonth() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ toDoList.addTask("29-13-2022", "Learn Java");
+ List taskList = toDoList.getTaskList();
+ });
+ }
+
+ @Test
+ public void testAddTask_invalidDateFormat() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ toDoList.addTask("29/11/2022", "Learn Java");
+ List taskList = toDoList.getTaskList();
+ });
+ }
+
+ @Test
+ @Order(2)
+ public void testPrintTask_success() {
+ toDoList.printTask();
+ Assertions.assertEquals("1. 08-03-2022\tLearn Java", outputStreamCaptor.toString().trim());
+ }
+
+ @Test
+ public void testPrintTask_failed() {
+ Assertions.assertThrows(NullPointerException.class, ()->{
+ toDoList.printTask();
+ });
+ }
+
+ @Test
+ @Order(4)
+ public void testRemoveTask_success() {
+ toDoList.removeTask(1);
+ List taskList = toDoList.getTaskList();
+
+ if(taskList.isEmpty()){
+ taskList = new ArrayList<>();
+ }
+ List expectedTaskList = new ArrayList<>();
+
+ Assertions.assertEquals(expectedTaskList.size(), taskList.size());
+ }
+
+ @Test
+ @Order(3)
+ public void testRemoveTask_failed() {
+ Assertions.assertThrows(IndexOutOfBoundsException.class, ()->{
+ toDoList.removeTask(10);
+ });
+ }
+
+ @Test
+ public void testRemoveTask_null_failed() {
+ Assertions.assertThrows(NullPointerException.class, ()->{
+ toDoList.removeTask(1);
+ List taskList = toDoList.getTaskList();
+ });
+ }
+}
\ No newline at end of file
diff --git a/src/test/java/com/gdn/onboarding/java/two/calc/CalculatorTest.java b/src/test/java/com/gdn/onboarding/java/two/calc/CalculatorTest.java
new file mode 100644
index 0000000..1374456
--- /dev/null
+++ b/src/test/java/com/gdn/onboarding/java/two/calc/CalculatorTest.java
@@ -0,0 +1,82 @@
+package com.gdn.onboarding.java.two.calc;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class CalculatorTest {
+
+ @Test
+ public void testAdd_success(){
+ Calculator calculator = new Calculator();
+ Integer result = calculator.add(5, 8);
+ Assertions.assertEquals(13, result);
+ }
+
+ @Test
+ public void testAdd_failed() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()-> {
+ Calculator calculator = new Calculator();
+ Integer result = calculator.add(null, 8);
+ Assertions.assertEquals(13, result);
+ });
+ }
+
+ @Test
+ public void testSubtract_success() {
+ Calculator calculator = new Calculator();
+ Integer result = calculator.subtract(8, 5);
+ Assertions.assertEquals(3, result);
+ }
+
+ @Test
+ public void testSubtract_failed() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ Calculator calculator = new Calculator();
+ Integer result = calculator.subtract(8, null);
+ Assertions.assertEquals(3, result);
+ });
+ }
+
+ @Test
+ public void testDivide_success() {
+ Calculator calculator = new Calculator();
+ Integer result = calculator.divide(10, 2);
+ Assertions.assertEquals(5, result);
+ }
+
+ @Test
+ public void testDivide_failed() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ Calculator calculator = new Calculator();
+ Integer result = calculator.divide(10, null);
+ Assertions.assertEquals(2, result);
+ });
+ }
+
+ @Test
+ public void testDivide_failed2() {
+ Assertions.assertThrows(ArithmeticException.class, ()->{
+ Calculator calculator = new Calculator();
+ Integer result = calculator.divide(10, 0);
+ Assertions.assertEquals(2, result);
+ });
+ }
+
+ @Test
+ public void testMultiply_success() {
+ Calculator calculator = new Calculator();
+ Integer result = calculator.multiply(10, 5);
+ Assertions.assertEquals(50, result);
+ }
+
+ @Test
+ public void testMultiply_failed() {
+ Assertions.assertThrows(IllegalArgumentException.class, ()->{
+ Calculator calculator = new Calculator();
+ Integer result = calculator.multiply(10, null);
+ Assertions.assertEquals(50, result);
+ });
+ }
+}
\ No newline at end of file
diff --git a/src/test/java/com/gdn/onboarding/java/two/onboardingjava/OnboardingJavaApplicationTests.java b/src/test/java/com/gdn/onboarding/java/two/onboardingjava/OnboardingJavaApplicationTests.java
new file mode 100644
index 0000000..e480485
--- /dev/null
+++ b/src/test/java/com/gdn/onboarding/java/two/onboardingjava/OnboardingJavaApplicationTests.java
@@ -0,0 +1,13 @@
+package com.gdn.onboarding.java.two.onboardingjava;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class OnboardingJavaApplicationTests {
+
+ @Test
+ void contextLoads() {
+ }
+
+}