DumbCalculator

Code

  import java.util.Scanner;
  
  public class DumbCalculator
  {
      public static void main( String[] args )
      {
      double FNumberr, SNumberr, TNumberr;
          
      Scanner keyboard = new Scanner(System.in);
      
      System.out.print( "First number: ");
      FNumberr = keyboard.nextDouble();
          
      System.out.print( "Second number: ");
      SNumberr = keyboard.nextDouble();
      
      System.out.print( "Third number: ");
      TNumberr = keyboard.nextDouble();
          
      System.out.println( "(" + FNumberr + " + " + SNumberr + "+" + TNumberr + ") /2 is..." + ((FNumberr+SNumberr+TNumberr)/2) );
   
      }
  }

DumbCalculator