字符串的反转

package com.company.string;

import java.util.Arrays;

/*

 * reverse string

 */

public class Reverse {
public static void main(String[] args) {
String str = "新中国好不好打赛达大道";
Reverse re=new Reverse();
String s=re.reverse(str);
System.out.println(s);

}
public String reverse(String str){
char [] arr=str.toCharArray();
int indexf=0;
int indexe = arr.length - 1;

while(indexf<indexe){

char temp=arr[indexf];
arr[indexf]=arr[indexe];
arr[indexe]=temp;
indexf++;
indexe--;
}
return Arrays.toString(arr);

}

}