java利用棧實現十進制轉換為二進制

//利用棧實現十進制轉換為二進制
package classwork9;

import java.util.Scanner;
import java.util.Stack;

public class Jinzhizhuanhuan {
    public static int zhuanhuan(int x) {
        Stack<Integer> a = new Stack<Integer>();
        int res = 0;
        while (x != 0) {
            a.push(x % 2);
            x /= 2;
        }
        while (!a.empty()) {
            res = res * 10 + a.peek();
            a.pop();
        }
        return res;
    }

    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        System.out.println("請輸入一個整數:");
        int x=in.nextInt();
        System.out.println("其二進制為:"+zhuanhuan(x));
    }

}