输入: abcdef
输出:fedcba
package com.hello.cn;
public class ReverseFial {
public static String reverseResult(String string) {
if(string==null||string.length()==0) return string;
int length=string.length();
char[]array=string.toCharArray();
for(int i=0;i<length/2;i++) {
array[i]=string.charAt(length-1-i);
array[length-1-i]=string.charAt(i);
}
return new String(array);
}
public static void main(String[] args) {
ReverseFial r=new ReverseFial();
System.out.println(r.reverseResult("abcdef"));
}
}