java字符串判断代码例题正确版本

正确例题 public class Test { public static void main(String[] args) { String s1 = "abcdefghijklmnopqrstuvwxyz"; String s2 = "abc"; if(s1.contains(s2)){ System.out.println("s1包含了s2"); System.out.println(s2); }else{ System.out.println("s1不包含s2"); } } }