/从键盘输入任意正整数,逆序拆分数字,并生成一个逆序的数字,比如输入12345,生成54321。/
public class backward{
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
System.out.println("请输入一个整数");
int num=sc.nextInt();
while(num!=0){
int a=num%10;
System.out.print(a);
num=num/10;
}
}
}