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.in);
       System.out.print("Enter a binary number: ");
       String b = sc.nextLine();
       System.out.println("The decimal number is: "+Integer.parseInt(b,2));
    }
}

Output:

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

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