今天上网找到个试题,个人认为不错。收藏了!
/**
* 判断是否相等
* @param args
*/
public static void main(String[] args) {
String a = "abc";
String b = "ab";
String c = b + "c";
System.out.println(a == c);
System.out.println(a.equals(c));
}
答案为:false true
今天上网找到个试题,个人认为不错。收藏了!
/**
* 判断是否相等
* @param args
*/
public static void main(String[] args) {
String a = "abc";
String b = "ab";
String c = b + "c";
System.out.println(a == c);
System.out.println(a.equals(c));
}
答案为:false true