Decimal To BInary in Java

I wrote this simple program to ask the user to give a decimal number and then the program will convert the given decimal value into its binary equivalent using Java programming language.

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Sample Program Output

Program Listing

Decimal_Binary,java

import java.util.Scanner;

public class Decimal_Binary {

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

Scanner input = new Scanner(System.in);

int a=0;

System.out.println("\n");

System.out.println("\tDecimal To Binary in Java");

System.out.println("\n");

System.out.print("\tGive a Number  : ");

a = input.nextInt();

System.out.println("\n");

System.out.print("\tThe Binary is   "+ Integer.toBinaryString(a));

System.out.println("\n");

System.out.println("\tEnd of the Program");

}

}

Decimal To Binary Converter in Java

In this short article you will learn how to write a program in Java how to convert decimal value into its binary equivalent the code is very simple and easy to understand for beginners in Java programming.

If you have some questions please send me an email at jakerpomperada@yahoo.com and jakerpomperada@gmail.com.

People here in the Philippines who wish to contact me can reach me at my mobile number 09173084360. 

Sample Output of Our Program

Program Listing

import java.util.Scanner;

class binary

{

  public static  int decimal_to_binary(int value)

   {

    String Binary_Number;    Binary_Number="";

     while (value != 0) {

       if (Binary_Number.length() % 5 == 0)

           Binary_Number = " " + Binary_Number;

                Binary_Number = (value % 2) + Binary_Number;

            value = value / 2;

      }

            System.out.print(Binary_Number +".");

     return 0;

     }

 public static void main(String args[])

 {

     Scanner in = new Scanner(System.in);

      char a;

  do

    {

    int num1=0;

    System.out.print("\n");

    System.out.println("==============================================");

    System.out.println("||    <<< Decimal To Binary Converter  >>>  ||");

    System.out.println("==============================================");

       System.out.print("\n");

       System.out.print("Enter A Number :=> ");

          num1 = in.nextInt();

       System.out.println("\n");

     System.out.println("=======================");

    System.out.println("||  DISPLAY RESULT   ||");

    System.out.println("=======================");

    System.out.println("\n");

    System.out.print("The binary equivalent of " + num1 + " is ")  ;

    decimal_to_binary(num1);

          System.out.println("\n\n");

          System.out.print("Do you Want To Continue (Y/N) :=> ");

           a=in.next().charAt(0);

   } while(a=='Y'|| a=='y');

          System.out.println("\n");

          System.out.println("\t ===== END OF PROGRAM ======");

         System.out.println("\n");

 }

}

DOWNLOAD SOURCE CODE HERE