1、新建一个自定义接口AnimalAction
public interface AnimalAction {
void fly();
void say();
void eat();
}

2、新建一个接口实现AnimalActionImpl
public class AnimalActionImpl implements AnimalAction {
}

3、鼠标光标放到AnimalActionImpl 类名上,按下键盘Alt+Enter组合键,(在idea环境下),在弹出框中选择implements methods

4、选中需要批量实现的方法,点击ok

5、大功告成!
public class AnimalActionImpl implements AnimalAction {
@Override
public void fly() {
}
@Override
public void say() {
}
@Override
public void eat() {
}
}
