Java abstract interface與 interface的區別

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我們常常遇到abstract class與 interface的區別，今天卻遇到了abstract interface，感覺interface不用abstract再修飾了啊。結論：事實也確實如此，編譯為.class檔案後abstract interface成為了interface。

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

package com.abstractinterface;public interface DaemonUserSignal2{  public abstract void signal();}

編程後結果比較：

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

 

Java abstract interface與 interface的區別