JAVA1-王振哲1407064244

[Vikingweirdo]

线程**********************************************
class A implements Runnable 
{   private String name ;
    private int Apple;
    public A(String name){
        this.name = name;
    }
    public void run(){
        for (Apple = 6;Apple >= 0 ;Apple-- )
        {
            System.out.println(name + "卖苹果："+Apple);
        }
    }
}
public class ceshi extends Thread       
{   
    private String name;
    private int ticket;
    public ceshi(String name){
        this.name = name;
    }
    public void run(){
        for (ticket = 5 ;ticket>= 0 ;ticket-- )
        {
            System.out.println(name+"卖票: "+ticket);

        }
    }

    public static void main(String[] args){
        ceshi c1 = new ceshi("A");      //资源不共享
        ceshi c2 = new ceshi("B");
        ceshi c3 = new ceshi("C");
        c1.start();             
        c2.start();
        c3.start();
        System.out.println("*************************");
        A C = new A("老王");  //资源达到共享
        new Thread(C).start();  
        new Thread(C).start();
        new Thread(C).start();
    }
}
*********************************************************、
删羊：   List<String> AllList = null;
        AllList = new ArrayList<String>();
        AllList.add("Hello1");
        AllList.add("Hello2");
        AllList.add("Hello3");
        AllList.add("Hello4");
        AllList.add("Hello5");
        System.out.println(AllList);
        //System.out.println(AllList.get(0));
        List<String>SubList = AllList.subList(2,4);//通过截取部分集合删除羊1
        for (int i = 0;i <SubList.size();i++){
            System.out.println(SubList.get(i)+" ");
        }
        for (int i = 0;i <AllList.size()-2;i++){        //删除羊2
            System.out.print(AllList.get(i+2)+" ");
        }
        System.out.println();
        for (int i = 0 ; i < 3; i++){               //删除羊3
        AllList.remove(i);
        }
        System.out.println(AllList);

***********************************************************************
写文件：
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
public class IOdemo
{
    public static void main(String[] args)throws Exception{
        File f = new File("e:"+File.separator+"text.txt");
        OutputStream out = new FileOutputStream(f);
        String st = "Hello world";
        byte b[] = st.getBytes();
        for (int i = 0;i<b.length ;i++ )
        {
            out.write(b[i]);
        }
        out.close();
    }
}