Convert Number to Binary

In this section, you will learn to convert a number to a binary (0,1). The given number is a decimal format and the following program to calculate its binary.

Code Description:

This program takes a decimal number at the console. This number is as a string format so, it must be converted into an integer type data using the Integer.parseInt() method. The toBinaryString() method is used for converting an integer type data into a binary.

Here is the code of this program:


import java.io.*;

import java.lang.*;



public class NumberToBinary {

  public static void main(String[] args) throws IOException{

  BufferedReader bf= new BufferedReader(new InputStreamReader(System.in));

  System.out.println("Enter any number:");

  String sn = bf.readLine();

  int i = Integer.parseInt(sn);

  String s = Integer.toBinaryString(i);

  System.out.println("Binary number is:" + s);

  }

}

Download of this program:

Output of this program given below.

C:\corejava>java NumberToBinary
Enter any number:
25
Binary number is:11001
C:\corejava> _

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