版权声明:No Rain No Rainbow https://blog.csdn.net/xiangyuenacha/article/details/84139025
java 不支持多继承,但类可以实现多个接口,间接的实现多继承,也可以通过内部类。
参考代码:MultiExtendsTest
// 测试间接的实现多继承
public class MultiExtendsTest extends D implements A, B, C {
@Override
public void work() {
// TODO Auto-generated method stub
}
@Override
public void sleep() {
// TODO Auto-generated method stub
}
@Override
public void eat() {
// TODO Auto-generated method stub
}
public static void main(String[] args) {
MultiExtendsTest m = new MultiExtendsTest();
m.show();
}
}
interface A {
public void eat();
}
interface B {
public void sleep();
}
interface C {
public void work();
}
class D{
public void show(){
System.out.println("===show===");
}
}