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不好意思,请教一下,我今天自己写了一下这个小程序
这个题目的要求是 :
有4对家庭,分别有爸爸,妈妈,儿子,女儿
爸爸们专门负责往盘子里放苹果,妈妈们专门负责往盘子里放橘子,
儿子门专门吃盘子里的橘子;女儿们专门吃盘子里的苹果;
注意;盘子里最多只能有10个水果,而且每次只能放或者取一个水果;
就这么多了,代码在下面,运行出现了点问题,好象有时候 某些方法被访问多次,
有兴趣的可以运行一下代码,帮我分析一下原因,谢谢 了
class ThreadTest
{
public static void main(String[] args)
{
Plate q=new Plate();
Father f1=new Father(q);
Father f2=new Father(q);
Father f3=new Father(q);
Father f4=new Father(q);
Mother m1=new Mother(q);
Mother m2=new Mother(q);
Mother m3=new Mother(q);
Mother m4=new Mother(q);
Son s1=new Son(q);
Son s2=new Son(q);
Son s3=new Son(q);
Son s4=new Son(q);
Daughter d1=new Daughter(q);
Daughter d2=new Daughter(q);
Daughter d3=new Daughter(q);
Daughter d4=new Daughter(q);
f1.start();
f2.start();
f3.start();
f4.start();
m1.start();
m2.start();
m3.start();
m4.start();
s1.start();
s2.start();
s3.start();
s4.start();
d1.start();
d2.start();
d3.start();
d4.start();
}
}
class Father extends Thread
{
Plate q;
Father(Plate q)
{
this.q=q;
}
public void run()
{
while(true)
{
q.putApple(q.apple);
System.out.println(Thread.currentThread().getName()+" put one apple: the number of apple in the plate:"+q.apple);
}
}
}
class Mother extends Thread
{
Plate q;
Mother(Plate q)
{
this.q=q;
}
public void run()
{
while(true)
{
q.putOrange(q.orange);
System.out.println(Thread.currentThread().getName()+" put one orange:the number of orange in the plate:"+q.orange);
}
}
} |
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