20170109问题解析请点击今日问题下方的“【Java每日一题】20170110”查看(问题解析在公众号首发,公众号ID:weknow619)
package Jan2017; public class Ques0110{ public static void main(String[] args){ Person person = new Person("张三"); System.out.println("修改之前 " + person); Ques0110.update(person); System.out.println("修改之后 " + person); } public static void update(Person person){ person = new Person("李四"); } } class Person{ String name; Person(String name){ this.name = name; } public String toString(){ return "name: " + name; } }
今日问题:
请问主程序修改后输出结果是?(点击以下“【Java每日一题】20170110”查看20170109问题解析)
题目原发布于公众号、简书:【Java每日一题】20170110,【Java每日一题】20170110 (也可以扫描头像二维码查看)