wei951753_的博客

/** * Created by test on 2017/7/6. */ public class StringTest { public static void main(String[] args){ String s1 = new String(); // 空构造函数 String s2 = new String("hello"); // Str

package Test; /** * Created by test on 2017/7/7. * 判断一个字符串是否对称！ */ public class StringSymmetry { public static void main(String[] args){ String str = "abcdcba"; Boolean bl = is