package com.sf.test; public class BasketBall implements C{ private String name; public String getName() { return name; } public BasketBall(String name) { this.name = name; } public void play() { BasketBall ball = new BasketBall("CBA"); System.out.println(ball.getName()); // ? 编译 } public static void main(String[] args) { BasketBall ball = new BasketBall("CBA"); System.out.println(ball.getName()); } @Override public void run() { } @Override public void eat() { } @Override public void start() { C.super.start(); } }