Java convert hex to decimal

public class ConvertHexToDecimal
{
   public static void main(String[] args)
   {
      String strHex = "b";
      int decimal = Integer.parseInt(strHex, 16);
      System.out.println("Decimal number : " + decimal);
   }
}

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Edward Swann 80 points

                                    import java.util.Scanner;
public class BinaryToDecimalDemo 
{
   public static void main(String[] args) 
   {
      int number, decimal = 0, a = 0;
      Scanner sc = new Scanner(System.in);
      System.out.println(&quot;Please enter binary number: &quot;);
      String strBinary = sc.nextLine();
      number = Integer.parseInt(strBinary);
      while(number != 0){
         decimal += (number % 10) * Math.pow(2, a);
         number = number / 10;
         a++;
      }
      System.out.println(&quot;Decimal number: &quot; + decimal);
      sc.close();
   }
}

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