1.字符串
class StringEqualTest { public static void main(String[] args) { String s1 = "Programming"; String s2 = new String("Programming"); String s3 = "Program" + "ming"; System.out.println(s1 == s2); System.out.println(s1 == s3); System.out.println(s1 == s1.intern()); }} |
原文：http://www.cnblogs.com/chendabao/p/7630082.html