java8 String intern()

public class Solution {


  public static void main(String[] args) {
    String a = new String("he")+new String("llo");
    System.out.println(a == a.intern());
    String b = "hello";
    System.out.println(a == b);
    System.out.println(a == "hello");
    System.out.println(b == "hello");
  }
}

true
true
true
true

posted @ 2019-12-15 17:23  tonggc1668  阅读(277)  评论(0编辑  收藏  举报