递归法输出倒序数
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import java.util.Scanner;
public class zuoye {
private static void daoxu(int a){
System.out.print(a%10);
if(a>10){
daoxu(a/10);
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println(12|9);
Scanner scan = new Scanner(System.in);
System.out.println("请输入一个数字:");
int a=Integer.valueOf(scan.nextInt());
daoxu(a);
}
}