线程间通信

package thread;


public class Demo1 {


/**
* @线程间通信
* 其实就是多个线程在操作同一个资源，但是操作的动作不同
* 交替输出，可直接运行
* 
*/
public static void main(String[] args) {


Res r = new Res();

Input in = new Input(r);
Output out = new Output(r);

Thread t1 = new Thread(in);
Thread t2 = new Thread(out);

t1.start();
t2.start();




}
}


class Res{
String name;
String sex;
boolean flag = false;
}
class Input implements Runnable{


private Res r;


Input(Res r){
this.r = r;
}

public void run() {
int x = 0;
while(true){
synchronized(r){
if(r.flag)
try {
r.wait();
} catch (InterruptedException e) { }
else{
if(x==0){
r.name = "mike";
r.sex = "male";
}
else{
r.name = "丽丽";
r.sex = "女女女女女女女";
}
x = (x+1)%2;
r.flag = true;
r.notify();
}
}
}
}
}
class Output implements Runnable{


private Res r ;


Output(Res r){
this.r = r;
}

public void run() {

while(true){
synchronized(r){
if(!r.flag)
try {
r.wait();
} catch (InterruptedException e) {}
else
{
System.out.println(r.name+"......"+r.sex);
r.flag = false;
r.notify();
}
}


}
}

}