【Java每日一题】20170222

20170221问题解析请点击今日问题下方的“【Java每日一题】20170222”查看(问题解析在公众号首发,公众号ID:weknow619)

package Feb2017;  
  
import java.util.Arrays;  
  
public class Ques0222 {      
    public static void main(String[] args) {  
        Dog[] dogs01 = new Dog[2];  
        dogs01[0] = new Dog("01", "黑色");  
        dogs01[1] = new Dog("02", "白色");  
        Dog[] dogs02 = Arrays.copyOf(dogs01, dogs01.length);          
          
        // 修改dogs02中第二只狗颜色  
        dogs02[1].setColor("棕色");          
          
        // 打印dogs01中狗的颜色  
        for (int i = 0; i < dogs01.length; i++) {  
            System.out.println(dogs01[i]);  
        }  
    }  
}  
          
class Dog {      
    private String id;      
    private String color;      
    public Dog(String id, String color) {          
        super();          
        this.id = id;          
        this.color = color;  
    }      
          
    /* 省略getset方法 */  
      
    @Override  
    public String toString(){          
        return "编号:"+id+", 颜色:"+color;  
    }  
} 

今日问题: 
请问主程序输出结果是什么?(点击以下“【Java每日一题】20170222”查看20170221问题解析) 

题目原发布于公众号、简书:【Java每日一题】20170222【Java每日一题】20170222 (也可以扫描头像二维码查看) 

原文地址:https://www.cnblogs.com/weknow619/p/6427302.html