java多线程并发例子

public static void main(String[] args) {	
		for(Thread t:getThreads()){
			t.start();
		}
	}
	
	public static Thread[] getThreads(){
		Thread[] thread = new Thread[10];
		for(int i=0;i<10;i++){
			final Integer num = new Integer(i);
			thread[i] = new Thread(new Runnable(){
				public void run() {
					int j=5;
					while(j-->0){						
						System.out.println("this is thread"+num);	
					}									
				}
			});
		}
		return thread;
	}