Assignment #73 Baby Calculator

Code

      ///Name: Ian Grant
      ///Period:5
      ///Project Name: Baby Calculator
      ///File Name:BabyCalculator.java
      ///12/04/15
      

      import java.util.Scanner;
      public class BabyCalculator
      {
      	public static void main( String[] args )
      	{
      		Scanner keyboard = new Scanner(System.in);
      
      		double a, b, c;
      		String op;
      
      		do
      		{
      			System.out.print("> ");
      			a  = keyboard.nextDouble();
      			op = keyboard.next();
      			b  = keyboard.nextDouble();
      
      			if ( op.equals("+") )
      				c = a + b;
      			else if ( op.equals("-") )
				      c = a - b;
            else if (op.equals("*"))
              c = a * b;
            else if (op.equals("/"))
              c = a / b;
      			else
      			{
      				System.out.println("Undefined operator: '" + op + "'.");
      				c = 0;
      			}
      
      			System.out.println(c);
      
      		} while (a!=0);
              System.out.println("Bye");
      	}
      }
      

Output