Java abstract interface与 interface的区别

我们常常遇到abstract class与 interface的区别,今天却遇到了abstract interface,感觉interface不用abstract再修饰了啊。结论:事实也确实如此,编译为.class文件后abstract interface成为了interface。

package com.abstractinterface;

public abstract interface DaemonUserSignal
{
  public abstract void signal();
}
package com.abstractinterface;

public interface DaemonUserSignal2
{
  public abstract void signal();
}

编程后结果比较:

D:\git\concurrent_crypto\target\classes\com\abstractinterface>javap DaemonUserSignal.class
Compiled from "DaemonUserSignal.java"
public interface com.abstractinterface.DaemonUserSignal {
  public abstract void signal();
}

D:\git\concurrent_crypto\target\classes\com\abstractinterface>javap DaemonUserSignal2.class
Compiled from "DaemonUserSignal2.java"
public interface com.abstractinterface.DaemonUserSignal2 {
  public abstract void signal();
}

 

posted @ 2018-02-02 17:29  任国强  阅读(6274)  评论(1编辑  收藏  举报