【Java每日一题】20170116

20170113问题解析请点击今日问题下方的“【Java每日一题】20170116”查看（问题解析在公众号首发，公众号ID：weknow619）

package Jan2017;  public class Ques0116 {   public static void main(String[] args) {     System.out.println(new BigDog("大黑狗", "黑色"));   } }  class Dog{    String name;    public Dog(String name) {     super();     this.name = name;   }    public String toString(){     return "name:"+name;   } }  class BigDog extends Dog{    String color;    public BigDog(String name, String color) {     this.name = name;     this.color = color;   }    public String toString(){     return "name:"+name+", color:"+color;   } } 

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原标题：【Java每日一题】20170116

关键词：JAVA