字符串逆序

import java.util.*;
public class Test {
public static void main(String[] args) {
System.out.println("请输入一个字符串:");
Scanner scan = new Scanner(System.in);
String str = new String(scan.next());
//System.out.println("输入的字符串内容是："+ str);
char [] c;
c = str.toCharArray();
System.out.println("逆序后的字符串为：");
for(int i = c.length-1; i >= 0; i--) {
System.out.print(c[i]);
}
}
}