死鎖的例子

2021-09-01 14:13:23 字數 783 閱讀 7198

/**

* description:

* program name:

* date:

* @author yeeku.h.lee [email protected]

* @version 1.0

*/class a

catch (interruptedexception ex)

system.out.println("當前執行緒名: " +

thread.currentthread().getname() + " 企圖呼叫b例項的last方法");

b.last();

} public synchronized void last() }

class b

catch (interruptedexception ex)

system.out.println("當前執行緒名: "

+ thread.currentthread().getname() + " 企圖呼叫a例項的last方法");

a.last();

} public synchronized void last() }

public class deadlock implements runnable

public void run()

public static void main(string args)

}

主線程保持著a物件的鎖,等待b物件的鎖。子執行緒保持著b物件的鎖,等待a物件的鎖。2個執行緒互相等待對方釋放鎖,造成死鎖。

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