接口继承接口

接口1:

public interface class1{void realize1();
}

接口2:

public interface class2{void realize2();
}

接口3:

public interface class3 extends class1,class2{void realize();
}

接口3的实现类:

public class RealizeClass3 implement class3{@Overridepublic void realize1(){}@Overridepublic void realize2(){}@Overridepublic void realize3(){}
}

接口继承接口,该接口需要实现它接口类继承的父类的所有方法。

接口继承接口

接口1:

public interface class1{void realize1();
}

接口2:

public interface class2{void realize2();
}

接口3:

public interface class3 extends class1,class2{void realize();
}

接口3的实现类:

public class RealizeClass3 implement class3{@Overridepublic void realize1(){}@Overridepublic void realize2(){}@Overridepublic void realize3(){}
}

接口继承接口,该接口需要实现它接口类继承的父类的所有方法。