java输入数字,输出倒序
package c10;
import java.util.Scanner;
public class zhengzhengshu {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("输入一个正整数:");
int num = input.nextInt();
while (num != 0) {
int b = num % 10;
num = num / 10;
System.out.print(b);
}
}
}
控制台效果显示: