日期:2014-05-20 浏览次数:20726 次
public class TestThread { private int j; public static void main(String[] args) { TestThread t = new TestThread(); Inc inc = t.new Inc(); Dec dec = t.new Dec(); for(int i=0;i<2;i++){ Thread thread = new Thread(inc); thread.start(); thread = new Thread(dec); thread.start(); } } private synchronized void inc() { j++; System.out.println(Thread.currentThread().getName()+"-inc:"+j); } private synchronized void dec() { j--; System.out.println(Thread.currentThread().getName()+"-dec:"+j); } //内部类 class Inc implements Runnable { public void run() { for(int i=0;i<100;i++){ inc(); } } } class Dec implements Runnable { public void run() { for(int i=0;i<100;i++){ dec(); } } } }