JAVA_解决实现接口方法重名问题

package com.kk.innerClass;


/**
 * 通过内部类实现接口
 * 解决多个接口中方法重名问题
 * 
 */
interface Machine {
    void run();
}

class Person {
    void run() {
        System.out.println("person start");
    }
}

public class Android extends Person {
    private class MachineHeart implements Machine {

        public void run() {
            System.out.println("machine start");
        }
    }
    
    Machine getMachine(){
        return new MachineHeart();
    }
    public static void main(String[] args) {
        Android android=new Android();
        Machine machine=android.getMachine();
        machine.run();
        android.run();
    }
}