10 Common Core Java Programs with Code

10 Common Core Java Programs with Code

Problem:1
Converting a decimal number to Binary Number.

Code:

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        convertDecToBinary(n);
    }
    public static void convertDecToBinary(int a){
        ArrayList<Integer> arr = new ArrayList<Integer>();
        while(a > 0){
            arr.add(a%2);
            a = (int) a/2;
        }
        Collections.reverse(arr);
        System.out.println(arr);
    }
}