package coderr.kerwin.codetest.test;

public class Test {
	
	public static void main(String[] args) throws InterruptedException {		
		TempObject obj1 = new TempObject(1,5);
		TempObject obj2 = new TempObject(2,5);
		TempObject obj3 = new TempObject(3,5);
		new Thread(new SelfRunnable3(obj3, obj1)).start();
		Thread.sleep(100);
		new Thread(new SelfRunnable3(obj1, obj2)).start();
		Thread.sleep(100);
		new Thread(new SelfRunnable3(obj2, obj3)).start();
		Thread.sleep(100);
	}
	
	static class SelfRunnable3 implements Runnable {
		
		private TempObject prev;
		private TempObject self;
		private static int num = 1;
		
		public SelfRunnable3(TempObject prev, TempObject self) {
			this.prev = prev;
			this.self = self;
		}
		
		@Override
		public void run() {
			while (num <= 75) {
				System.out.println("p:"+prev.getId()+";s:"+self.getId()+";p-"+num);
				synchronized (prev) {
					System.out.println("p:"+prev.getId()+";s:"+self.getId()+";s-"+num);
					synchronized (self) {
						self.notify();
						self.print(num);
						num+=self.getCount();
					}
					try {
						prev.wait();
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
				}
			}
		}
		
	}
	
	static class TempObject {
		
		private int id;
		private int count;
		
		public TempObject(int id, int count) {
			super();
			this.id = id;
			this.count = count;
		}
		
		public int getId() {
			return id;
		}

		public void setId(int id) {
			this.id = id;
		}

		public int getCount() {
			return count;
		}

		public void setCount(int count) {
			this.count = count;
		}

		public synchronized void print(int num) {
			for (int i = 0; i < count; i++) {
				System.out.println("Thread " + id + ":" + num++);
			}
		}
		
	}
	
}

一道面试题、同时开启三个线程A/B/C，A线程打印1,2,3,4,5;B线程打印6,7,8,9,10;C线程打印11,12,13,14,15;然后A线程继续打印16,17,18,19,20。。。。最后直到线程C打印71,72,73,74,75程序结束。。。如上代码已经实现了本题所要的效果、但是为什么最终程序打印到75后并没有结束、貌似出现了死锁。请问问题在哪里呢？求大神指教！！！！我调试看了下、貌似只有线程A顺利结束了。线程B和线程C并没有结束。