問題解決2——加入等待與喚醒
package edu.sjtu.erplab.thread;
class Info{
private String name="name";
private String content="content";
private boolean flag=true;
public synchronized void set(String name,String content)
{
if(!flag)//標志位為false，不可以生產
{
try {
super.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
this.setName(name);
try {
Thread.sleep(30);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
this.setContent(content);
flag=false;//修改標志位為false，表示生產者已經完成資源，消費者可以消費。
super.notify();//喚醒消費者進程
}
public synchronized void get()
{
if(flag)
{
try {
super.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
try {
Thread.sleep(30);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(this.getName()+":-->"+this.getContent());
flag=true;//修改標志位為true，表示消費者拿走資源，生產者可以生產。
super.notify();//喚醒生產者進程。
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
}
class Producer implements Runnable{
private Info info=null;
public Producer(Info info)
{
this.info=info;
}
@Override
public void run() {
boolean flag=false;
for(int i=0;i<10;i++)
if(flag)
{
this.info.set("name+"+i, "content+"+i);
flag=false;
}
else
{
this.info.set("name-"+i, "content-"+i);
flag=true;
}
}
}
class Consumer implements Runnable{
private Info info=null;
public Consumer(Info info)
{
this.info=info;
}
@Override
public void run() {
for(int i=0;i<10;i++)
{
try {
Thread.sleep(10);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
this.info.get();
}
}
}
public class ThreadDeadLock {
public static void main(String args[])
{
Info info=new Info();
Producer pro=new Producer(info);
Consumer con=new Consumer(info);
new Thread(pro).start();
new Thread(con).start();
}
}
http://www.cnblogs.com/xwdreamer/archive/2011/11/20/2296931.html#2397397