字符串常量池---Java

 1 public class Demo02StringPool {
 2 
 3 public static void main(String[] args) {
 4 String str1 = "abc";
 5 String str2 = "abc";
 6 
 7 char[] charArray = {'a', 'b', 'c'};
 8 String str3 = new String(charArray);
 9 
10 System.out.println(str1 == str2); // true
11 System.out.println(str1 == str3); // false
12 System.out.println(str2 == str3); // false
13 }
14 
15 }