Write a Program Convert Decimal To Binary in Java- Technology369kk

Convert Decimal To Binary

Program 

import java.util.*;

class DecimalToBinary{

    public String toBinary(int n){

        if(n ==0){

            return "0";

        }

        String binary =" ";

        while (n>0){

            int rem = n%2;

            binary = rem + binary;

            n = n/2;

        }

        return binary;

    }

    public static void main(String args[]){

        Scanner sc = new Scanner(System.in);

        System.out.println("Enter a Number :- ");

        int decimal  = sc.nextInt();

        DecimalToBinary dtb = new DecimalToBinary ();

        String binary = dtb.toBinary(decimal);

        System.out.println("The Binary To Decimal Value:- "+binary);

       

    }

}

Output: 

PS D:\Learning File\BCA\BCA 3rd Sem\JAVA OOP\allpraque> java DecimalToBinary

Enter a Number:-

21

The Binary To Decimal Value:- 10101