集合系列日记（17.5.10）

public class Test {
    private static List<String> list=new ArrayList<String>();
    public static void main(String[]args){
        ThreadOne t1=new ThreadOne();
        ThreadTwo t2=new ThreadTwo();
        t1.start();
        t2.start();
    }
    private static void printAll(){
        System.out.println(" ");
        
        String value=null;
        Iterator iter=list.iterator();
        while(iter.hasNext()){
            value=(String)iter.next();
            System.out.print(value+",");
        }
    }
    //ThreadOne
    private static class ThreadOne extends Thread{
        public void run(){
            for(int i=0;i<6;i++){
                list.add(String.valueOf(i));
                printAll();
            }
        }
    }
    //ThreadTwo
    private static class ThreadTwo extends Thread{
        public void run(){
            for(int i=7;i<12;i++){
                list.add(String.valueOf(i));
                printAll();
            }
        }
    }
}