《Java编程思想》第五章练习5答案

package com.njau;

public class Test {
public static void main(String args[]){
Dog dog=new Dog();
System.out.println(dog.bark(0));
System.out.println(dog.bark(“a”));
}

}

class Dog{
   //Dog dog=new Dog();
   String bark(int i){

        return "barking";
    }
   String bark(String s){
        return "howing";
    }

}