decimal.java

package com.JJ;

import java.util.Stack;

public class Main {
    static Stack<Integer> nums;
    public static void main(String[] args) {
        binary(11);
      while(!nums.isEmpty()){
          System.out.printf("%d",nums.peek());
          nums.pop();
      }

    }
    public static Stack<Integer> binary(int n){
        nums = new Stack<Integer>();
        while(n/2!=0){
            if(n%2==0)nums.push(0);
            else nums.push(1);
            n=n/2;
        }
        if (nums.peek()==0);
        nums.push(1);
        return nums;
    }


}