Tuesday, April 30, 2013

How to convert binary value to decimal in Java


How to convert binary to decimal in java




public static int integerfrmbinary(String str){
    double j=0;
    for(int i=0;i<str.length();i++){
        if(str.charAt(i)== '1'){
         j=j+ Math.pow(2,str.length()-1-i);
     }

    }
    return (int) j;
}


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Other Way:


import java.lang.*;
import java.io.*;

public class BinaryToDecimal{
  public static void main(String[] args) throws IOException{
  BufferedReader bf= new BufferedReader(new InputStreamReader(System.in));
  System.out.print("Enter the Binary value: ");
  String str = bf.readLine();
  long num = Long.parseLong(str);
  long rem;
  while(num > 0){
  rem = num % 10;
  num = num / 10;
  if(rem != 0 && rem != 1){
  System.out.println("This is not a binary number.");
  System.out.println("Please try once again.");
  System.exit(0);
  }
  }
  int i= Integer.parseInt(str,2);
  System.out.println("Decimal:="+ i);
  }
}


run:
Enter the Binary value: 1010
Decimal:=10

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5 comments:

  1. But you are cheating you asshole

    ReplyDelete
  2. Really Nice Information,Thank You Very Much For Sharing.
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    ReplyDelete
  3. Replies
    1. see this link : -

      http://www.programmersinterview.com/2015/10/java-program-convert-binary-to-decimal.html

      Delete