1 package string;
2
3 public class StringExam01 {
4 public static void main(String[] args){
5 String a="abc";
6 String b="abc";
7 System.out.println(a.equals(b));//比较内容
8 System.out.println(a==b);//比较地址
9
10 System.out.println("*********");
11
12 String c=new String("abc");
13 String d=new String("abc");
14 System.out.println(c.equals(d));
15 System.out.println(c==d);
16
17 System.out.println("********");
18
19 String e="abc";
20 String f=new String("abc");
21 System.out.println(e.equals(f));
22 System.out.println(e==f);
23 System.out.println(e==f.intern());
24 System.out.println(f==f.intern());
25
26 }
27 }
