题解 | 字符逆序
字符逆序
https://www.nowcoder.com/practice/cc57022cb4194697ac30bcb566aeb47b
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 line = in.nextLine();
StringBuilder sb = new StringBuilder();
for(int i = line.length() - 1; i >= 0; i--) sb.append(line.charAt(i));
System.out.println(sb.toString());
}
}
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