题解 | #字符串反转#
字符串反转
http://www.nowcoder.com/practice/e45e078701ab4e4cb49393ae30f1bb04
用StringBuffer的reverse()方法反转
import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
String str=sc.nextLine();
StringBuffer sb = new StringBuffer(str);
StringBuffer rs = sb.reverse();
System.out.println(rs);
}
} 
查看14道真题和解析