避免实现接口中的方法 - java [英] avoid implementation of a method which is there in interface - java

问题描述

我有如下界面：

public interface a {
    public void m1();
    public void m2();
    public void m3();
}

public class A implements a {
    public void m3() {
        // implementation code     
    }
}

我想避免对方法的其余部分实施。一种方法是让所有方法都没有在类中实现，试图实现 interface 。

I want to avoid implementation for the rest of the method. one way is to have all the methods without implementing in the class that tries to implement interface.

我如何避免这种情况示例代码可以帮助我更好地理解：）

How do I avoid this. Example code would help me understand better :)

推荐答案

public interface a{

      public void m1();
      public void m2();
      public void m3();

}

public abstract class A implements a{

       public void m3(){

           // implementation code     

           }

}

声明为抽象class所以你不需要在这个类中实现这些方法。但是你必须在具体的类

Declare as abstract class so you will not needed to implement these methods in this class. But you have to implement those method in concrete class

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