兩個執行緒交替列印奇偶數
阿新 • • 發佈:2021-09-06
public class Thtest { private static final Object obj = new Object(); public static void main(String[] args) { new Thread(new Runnable(){ @Override public void run() { for(int i = 0;i<100;i++){ synchronized (obj){if ((i & 1) == 1){ System.out.println(Thread.currentThread().getName()+":"+i); } obj.notify(); try { obj.wait(); } catch (InterruptedException e) { e.printStackTrace(); } } } } },"奇數執行緒").start(); new Thread(new Runnable() { @Override public void run() { for (int i = 0; i < 100; i++){ synchronized (obj){ if ((i&1)==0){ System.out.println(Thread.currentThread().getName()+":"+i); } obj.notify(); try { obj.wait(); } catch (InterruptedException e) { e.printStackTrace(); } } } } },"偶數執行緒").start(); } }