生产者消费者

import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class Test {
public static void main(String[] args) {
Resource r = new Resource();
Input input = new Input(r);
Output output = new Output(r);
new Thread(input).start();
new Thread(input).start();
new Thread(output).start();
new Thread(output).start();
}
}
/**

• 两个线程共同的资源

• @author WangShuang

• */
  class Resource{
  private String name;
  private String sex;
  private int count;
  private boolean flag;//添加一个标记用来表示Resource中的资源是否为空（Input以后代表存入不为空，Output以后代表取出为空）
  Lock lock = new ReentrantLock();
  Condition condition_input = lock.newCondition();
  Condition condition_output = lock.newCondition();
  public  String getOutput() {
  lock.lock();//上锁
  while(flag){//如果flag是真，代码资源库中的资源还没有被取走，此时该线程应该放弃cpu的执行权，并把另一个线程叫醒
  try {condition_input.await();} catch (InterruptedException e) {e.printStackTrace();}
  }
  System.out.println(Thread.currentThread().getName()+"消费了一个"+sex+"---------------"+name);
  flag=true;
  condition_output.signal();
  lock.unlock();//开锁
  return name+"---"+sex;

  }
  public  void setInput(String name,String sex) {
  lock.lock();//上锁
  while(!flag){//如果flag是假，代码资源库中的资源已经被取走，此时该线程应该放弃cpu的执行权，并把另一个线程叫醒
  try {condition_output.await();} catch (InterruptedException e) {e.printStackTrace();}
  }
  this.name = name+count++;
  this.sex = sex;
  System.out.println(Thread.currentThread().getName()+"生产了一个"+this.sex+"---"+this.name);
  flag=false;
  condition_input.signal();
  lock.unlock();//开锁
  }

}
/**

• 存资源的线程

• @author WangShuang

• */
  class Input implements Runnable {
  private Resource resource;
  public Input(Resource resource) {this.resource=resource;
  }
  @Override
  

• this.resource=resource;

  
  

• }

  
  

• @Override

  
  

this.resource=resource;
}
@Override
br/>this.resource=resource;
}
@Override<br <="" a="">public void run() {
while(true){
resource.getOutput();
}
}
}

this.resource=resource;

}

@Override

this.resource=resource;
}
@Override