线程同步示例
Posted hyhy904
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题意:建立三个线程,A线程打印10次A,B线程打印10次B,C线程打印10次C,要求线程同时运行,交替打印10次ABC。这个问题用Object的wait(),notify()就可以很方便的解决。
代码如下:
public class MyThreadPrinter2 implements Runnable
private String name;
private Object prev;
private Object self;
private MyThreadPrinter2(String name, Object prev, Object self)
this.name = name;
this.prev = prev;
this.self = self;
@Override
public void run()
int count = 10;
while (count > 0)
synchronized (prev)
synchronized (self)
System.out.print(name);
count--;
self.notify();
try
prev.wait();
catch (InterruptedException e)
e.printStackTrace();
public static void main(String[] args) throws Exception
Object a = new Object();
Object b = new Object(http://www.amjmh.com/v/);
Object c = new Object();
MyThreadPrinter2 pa = new MyThreadPrinter2("A", c, a);
MyThreadPrinter2 pb = new MyThreadPrinter2("B", a, b);
MyThreadPrinter2 pc = new MyThreadPrinter2("C", b, c);
new Thread(pa).start();
new Thread(pb).start();
new Thread(pc).start();
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