题解 | #数字颠倒#
数字颠倒
https://www.nowcoder.com/practice/ae809795fca34687a48b172186e3dafe
import java.util.*; public class test2 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int next = scanner.nextInt(); String s = String.valueOf(next); StringBuilder stringBuilder = new StringBuilder(); for (int length = s.length()-1; length >= 0; length--) { stringBuilder.append(s.charAt(length)); } System.out.println(stringBuilder.toString()); } }
查看11道真题和解析