题解 | #字符串反转#
字符串反转
https://www.nowcoder.com/practice/e45e078701ab4e4cb49393ae30f1bb04
import java.util.Scanner;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String str = in.nextLine();
char[] chars = str.toCharArray();
StringBuilder sb = new StringBuilder();
for(int i = chars.length - 1; i >= 0; i--) {
sb.append(chars[i]);
}
System.out.print(sb.toString());
}
}
