BINARY TO DECIMAL

AJ Java Programs

Program 2:

Write a program to Convert Binary Number into a Decimal Equivalent
Example: 11101 = 29

Syntax:

import java.io.*;
class bintodec //binary to decimal
{
public static void main(String args[])throws IOException
{
    String binary;
    BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
    System.out.println("Enter a biary Number");
    binary=br.readLine();
    int decimal=0;
    int power=0;
 
    //while(binary.length()>0)
    while(binary.length()>0)
    {
        int temp = Integer.parseInt(binary.charAt((binary.length())-1)+"");
        decimal+=temp*Math.pow(2, power++);
        binary=binary.substring(0,binary.length()-1);
    }
    System.out.println(decimal);
}
}

Tested Ok Program
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