迅雷亲历面经：笔试+上机+面试（完整JAVA面试题求解大讨论）

class Worker extends Thread{  
	       
	 
		 Worker(String name)
		 {
			 setName(name);
		 }
	     int count = 10;
	     
	     int runTime = 0;
	     
	     private boolean canRun = false;
	     
	     private Worker next;

		public Worker getNext() {
			return next;
		}

		public void setNext(Worker next) {
			this.next = next;
		}

		public Worker(Worker next) {
			super();
			this.next = next;
		}

		public void run() {
			
			while(runTime <= count)
			{
				if(isCanRun())
				{
					System.out.println(getName());
					this.canRun = false;
					if(next != null)
						next.setCanRun(true);
					runTime ++;
				}
			}
			
		}

		public   boolean isCanRun() {
			return canRun;
		}

		public synchronized void setCanRun(boolean canRun) {
			this.canRun = canRun;
		}  
	     
	 }  

public class ThreadTest implements Runnable{

	private String id;

	public ThreadTest(String id) {
		this.id = id;
	}

	public static void main(String[] arg){
		
		ExecutorService es = Executors.newSingleThreadExecutor();
		
		for(int i=0;i<10;i++){
			es.submit(new ThreadTest("A"));
			es.submit(new ThreadTest("B"));
			es.submit(new ThreadTest("C"));
		}
		es.shutdown();
	}

	public void run() {
		// TODO Auto-generated method stub
		System.out.print(this.id);
	}
}