Java Program to Convert Binary Number to Decimal

In this tutorial, we are going to see how to write a java program to convert binary numbers to decimal numbers using the Integer.parseInt() method. The parseInt() method is used to get the primitive type of a string.

Program to Convert Binary Number to Decimal in Java :
import java.util.Scanner;

public class Main {
    public static void main(String args[]){
       Scanner sc = new Scanner(;
       System.out.print("Enter a binary number: ");
       String b = sc.nextLine();
       System.out.println("The decimal number is: "+Integer.parseInt(b,2));


Enter a binary number: 0101
The decimal number is: 5
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