diff --git a/BubbleSort.java b/BubbleSort.java
new file mode 100644
index 0000000..c7973af
--- /dev/null
+++ b/BubbleSort.java
@@ -0,0 +1,30 @@
+public class BubbleSort{
+	public static void main(String[] args){
+		
+	int total= args.length;
+	int angka[],temp;
+	angka= new int[100];
+		
+	for(int i=0;i<total;i++){
+		angka[i]= Integer.parseInt(args[i]);
+	}
+		
+	for(int i=0;i<total;i++){
+		for(int j=0; j<total-i-1;j++){
+			if(angka[j]>angka[j+1]){
+				 temp = angka[j];
+                 angka[j] = angka[j+1];
+                 angka[j+1] = temp;
+			}
+		}
+	}
+		
+	for(int i=0;i<total;i++){
+		System.out.println(angka[i]);
+	}	
+		
+  }
+}
+
+
+//kecil ke besar
\ No newline at end of file
diff --git a/Factorial.java b/Factorial.java
new file mode 100644
index 0000000..3aa5c18
--- /dev/null
+++ b/Factorial.java
@@ -0,0 +1,23 @@
+public class Factorial {
+	public static void main(String[] args){
+		
+	if(args.length!=1){
+		System.out.println("Input angka!");
+	}
+		
+	int angka= Integer.parseInt(args[0]);
+	int i,f=1;
+		
+	 for (i=1; i<=angka ; i++){
+		 f=f*i;
+	 }
+	
+		System.out.println(f);
+  }
+}
+//
+//1-20 e
+//21-40 d
+//41-60 c
+//61-80 b
+//81-100 a 
\ No newline at end of file
diff --git a/FactorialRecursive.java b/FactorialRecursive.java
new file mode 100644
index 0000000..da648d8
--- /dev/null
+++ b/FactorialRecursive.java
@@ -0,0 +1,30 @@
+public class FactorialRecursive {
+	public static void main(String[] args){
+		
+	if(args.length!=1){
+		System.out.println("Input angka!");
+	}
+		
+	int angka= Integer.parseInt(args[0]);
+	int i,f=1;
+		
+	 for (i=1; i<=angka ; i++){
+		 factorial(angka);
+	 }
+	
+		System.out.println(f);
+  }
+	
+	public static int factorial(int n){
+		if(n>1){
+		   return n*(n-1);
+		}
+		 return 1;
+	}
+}
+//
+//1-20 e
+//21-40 d
+//41-60 c
+//61-80 b
+//81-100 a 
\ No newline at end of file
diff --git a/Month.java b/Month.java
new file mode 100644
index 0000000..b0783b8
--- /dev/null
+++ b/Month.java
@@ -0,0 +1,50 @@
+public class Month {
+	public static void main(String[] args){
+		
+	if(args.length!=2){
+		System.out.println("Input bulan dan tahun!");
+	}
+		
+	int bulan= Integer.parseInt(args[0]);
+	int tahun= Integer.parseInt(args[1]);
+	switch (bulan) {
+		case 1 :System.out.println("Bulan Januari!");
+		break;
+		case 2 :
+			if(tahun%4==0 && tahun%100!=0 || year%400==0){
+				System.out.println("Bulan Februari punya 29 hari!");
+			}else{
+				System.out.println("Bulan Februari punya 28 hari!");
+			}
+		break;
+		case 3 :System.out.println("Bulan Maret!");
+		break;
+		case 4 :System.out.println("Bulan April!");
+		break;
+		case 5 :System.out.println("Bulan Mei!");
+		break;
+		case 6 :System.out.println("Bulan Juni!");
+		break;	
+		case 7 :System.out.println("Bulan Juli!");
+		break;
+		case 8 :System.out.println("Bulan Agustus!");
+		break;
+		case 9 :System.out.println("Bulan September!");
+		break;
+		case 10 :System.out.println("Bulan Oktober!");
+		break;	
+		case 11 :System.out.println("Bulan November!");
+		break;
+		case 12 :System.out.println("Bulan Desember!");
+		break;	
+		default:System.out.println("Input Bulan!");
+		break;
+	}
+  }
+}
+//
+//1-20 e
+//21-40 d
+//41-60 c
+//61-80 b
+//81-100 a 
\ No newline at end of file
diff --git a/Score.java b/Score.java
new file mode 100644
index 0000000..6841bdc
--- /dev/null
+++ b/Score.java
@@ -0,0 +1,31 @@
+public class Score {
+	public static void main(String[] args){
+		System.out.println("Hello World !");
+		
+	//KALENDAR
+	if(args.length!=1){
+				System.out.println("Input angka!");
+	}
+		
+	int score= Integer.parseInt(args[0]);
+	if(score>80){
+		System.out.println("Nilai A");
+	}else if(score>60){
+		System.out.println("Nilai B");
+	}else if(score>40 ){
+		System.out.println("Nilai C");
+	}else if(score>20){
+		System.out.println("Nilai D");
+	}else{
+		System.out.println("Nilai E");
+	}
+
+	}
+	
+}
+//
+//1-20 e
+//21-40 d
+//41-60 c
+//61-80 b
+//81-100 a 
\ No newline at end of file
diff --git a/TotalDays.java b/TotalDays.java
new file mode 100644
index 0000000..86e4521
--- /dev/null
+++ b/TotalDays.java
@@ -0,0 +1,62 @@
+public class TotalDays {
+	public static void main(String[] args){
+		
+	if(args.length!=2){
+		System.out.println("Input bulan dan tahun!");
+	}
+		
+	int bulan= Integer.parseInt(args[0]);
+	int tahun= Integer.parseInt(args[1]);
+	
+	switch (bulan) {
+		case 1: case 3: case 5: case 7: case 8 : case 10 : case 12: System.out.println("punya 31 hari!"); break;
+		case 4: case 6: case 9: case 11 : System.out.println("punya 30 hari!"); break;	
+		case 2 :
+			if(tahun%4==0 && tahun%100!=0 || tahun%400==0){
+				System.out.println("punya 29 hari!");
+			}else{
+				System.out.println("punya 28 hari!");
+			}	
+	}
+		
+	switch (bulan) {
+		case 1 :System.out.println("Bulan Januari punya 30 hari!");
+		break;
+		case 2 :
+			if(tahun%4==0 && tahun%100!=0 || tahun%400==0){
+				System.out.println("Bulan Februari punya 29 hari!");
+			}else{
+				System.out.println("Bulan Februari punya 28 hari!");
+			}
+		break;
+		case 3 :System.out.println("Bulan Maret punya 31 hari!");
+		break;
+		case 4 :System.out.println("Bulan April punya 30 hari!");
+		break;
+		case 5 :System.out.println("Bulan Mei punya 31 hari !");
+		break;
+		case 6 :System.out.println("Bulan Juni punya 30 hari!");
+		break;	
+		case 7 :System.out.println("Bulan Juli punya 31 hari!");
+		break;
+		case 8 :System.out.println("Bulan Agustus punya 31 hari!");
+		break;
+		case 9 :System.out.println("Bulan September punya 30 hari!");
+		break;
+		case 10 :System.out.println("Bulan Oktober punya 31 hari!");
+		break;	
+		case 11 :System.out.println("Bulan November punya 30 hari!");
+		break;
+		case 12 :System.out.println("Bulan Desember punya 31 hari!");
+		break;	
+		default:System.out.println("Input Bulan dan hari!");
+		break;
+	}
+  }
+}
+//
+//1-20 e
+//21-40 d
+//41-60 c
+//61-80 b
+//81-100 a 
\ No newline at end of file