String_project/StringBuilder_module/src/StringBuilder_package/case1_Symmetric_string.java

package StringBuilder_package;

import java.util.Scanner;

public class case1_Symmetric_string {
    //使用StringBuilder的场景：
    //1、字符串的拼接
    //2、字符串的反转

    public static void main(String[] args) {
        //1、键盘录入一个字符串
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入一个字符串：");
        String str = sc.next();

        //2、反转键盘录入的字符串
        String result = new StringBuilder().append(str).reverse().toString();

        //3、比较
        if(str.equals(result)){
            System.out.println("当前字符串是对称字符串");
        }else{
            System.out.println("当前字符串不是对称字符串");
        }
    }
}