JAVA wait(), notify(),sleep使用
2015-05-30 11:24
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需求:使用三线程同步模式,按顺序打印ABC ,循环10次,打印结果不混乱
public class Game implements Runnable {
private String name;
private Object prev;
private Object self;
private Game(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.println(name);
count--;
try {
//必须加 不然有时顺序会乱
Thread.sleep(10);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
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();
Object c = new Object();
Game pa = new Game("A", b, a);
Game pb = new Game("B", c, b);
Game pc = new Game("C", a, c);
new Thread(pa).start();
new Thread(pb).start();
new Thread(pc).start();
}
}
public class Game implements Runnable {
private String name;
private Object prev;
private Object self;
private Game(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.println(name);
count--;
try {
//必须加 不然有时顺序会乱
Thread.sleep(10);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
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();
Object c = new Object();
Game pa = new Game("A", b, a);
Game pb = new Game("B", c, b);
Game pc = new Game("C", a, c);
new Thread(pa).start();
new Thread(pb).start();
new Thread(pc).start();
}
}
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