This java program converts binary number into
decimal number. First, you have to enter a binary number and then
convert binary number to decimal number and finally print decimal equivalent of
that binary number.
Java Program to Convert Binary Number to Decimal Number
import java.util.Scanner;
public class BinaryToDecimal
{
public static void main(String args[])
{
int binary, decimal=0, i=1;
Scanner read = new Scanner(System.in);
System.out.print("Enter any Binary Number : ");
binary = read.nextInt();
int bin = binary;
int remainder = 1;
while(binary > 0)
{
remainder = binary%10;
decimal = decimal + remainder*i;
i = i*2;
binary = binary/10;
}
System.out.print("Decimal Equivalent of " +bin+ " is : "+decimal);
}
}
Output:
Enter any Binary Number : 1111
Decimal Equivalent of 1111 is : 15
Java
Program to Convert Binary to Decimal Using Integer.parseInt() Method
import java.util.Scanner;
class BinaryToDecimal {
public static void main(String args[]){
Scanner input = new Scanner( System.in );
System.out.print("Enter any Binary Number: ");
String binary =input.nextLine();
System.out.println("Decimal Equivalent of " +binary+ " is : "+Integer.parseInt(binary,2));
}
}
Output:
Enter any Binary Number: 1101
Decimal Equivalent of 1101 is : 13
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