How to Convert Int to Binary in Java

How to represent binary numbers in java?  or
How to convert int to binary in java?

A binary number is a string of 1′s and 0′s such as 10101101. To represent binary numbers or to convert an integer into a binary number in java, wrapper class Integer can be used. As specified in java docs, toBinaryString method of Integer class, returns a string representation of the integer argument as an unsigned integer in base 2.

Below is the code snippet to demonstrate the conversion of an int into a binary:

Int to Binary in Java

public class ConvertToBinary {

public static void main(String[] args) {

int intNum = 10;

String strBin = Integer.toBinaryString(intNum);

System.out.println(“Binary representation of ” + intNum + “is ” + strBin);




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