package day01;

import java.util.Scanner;

//字符串反轉(zhuǎn)練習(xí)

public class StringBuilderTest3 {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.println("請(qǐng)輸入一個(gè)字符串");

String s = sc.nextLine();

//寫方法實(shí)現(xiàn)反轉(zhuǎn)

String result = myReverse(s);

System.out.println("result:"+result);

}

public static String myReverse(String s){

//要實(shí)現(xiàn)反轉(zhuǎn)想要調(diào)用revese方法就得先將String類型轉(zhuǎn)換成StringBuilder類型然后寫方法最后在轉(zhuǎn)為String類型

StringBuilder sb = new StringBuilder(s);

sb.reverse();

String result = sb.toString();

return result;

}

}

運(yùn)行結(jié)果