When I compile this program it says "cannot find symbol class Method Master", but when I run it, everything is fine.

/*
 *Andrew Davis
 *Nov. 19, 2010
 */
 
 import java.util.Scanner;
 
 public class Calculator
 {
 	public static void main (String [] args)
 	{
 		Scanner keyboard = new Scanner(System.in);
 		MethodMaster method = new MethodMaster();
 		
 		int question1;
 		
 		double num1;
 		double num2;
 		double length;
 		double width;
 		double side1;
 		double side2;
 		double side3;
 		double base;
 		double height;
 		double radius;
 		double fahrenheit;
 		double centigrade;
 		
 		double value = 0;
 		
 		method.printMenu();
 		question1 = keyboard.nextInt();
 		System.out.println();
 		
 		switch(question1)
 		{
 			case 1: //Add two numbers.
 			{
 				System.out.print("Enter the first number: ");
 				num1 = keyboard.nextDouble();
 				System.out.print("Enter the seccond number: ");
 				num2 = keyboard.nextDouble();
 				System.out.println(num1 + " + " + num2 + " = " + method.addNumbers(num1, num2, value));
 				break;
 			}
 			case 2: //Subtract two numbers.
 			{
 				System.out.print("Enter the first number: ");
 				num1 = keyboard.nextDouble();
 				System.out.print("Enter the seccond number: ");
 				num2 = keyboard.nextDouble();
 				System.out.println(num1 + " - " + num2 + " = " + method.subtractNumbers(num1, num2, value));
 				break;
 			}
 			case 3: //Multiply two numbers.
 			{
 				System.out.print("Enter the first number: ");
 				num1 = keyboard.nextDouble();
 				System.out.print("Enter the seccond number: ");
 				num2 = keyboard.nextDouble();
 				System.out.println(num1 + " * " + num2 + " = " + method.multiplyNumbers(num1, num2, value));
 				break;
 			}
 			case 4: //Divide two numbers.
 			{
 				System.out.print("Enter the first number: ");
 				num1 = keyboard.nextDouble();
 				System.out.print("Enter the seccond number: ");
 				num2 = keyboard.nextDouble();
 				System.out.println(num1 + " / " + num2 + " = " + method.divideNumbers(num1, num2, value));
 				break;
 			}
 			case 5: //Find the perimeter of a rectangle.
 			{
 				System.out.print("Enter the LENGTH: ");
 				length = keyboard.nextDouble();
 				System.out.print("Enter the WIDTH: ");
 				width = keyboard.nextDouble();
 				System.out.println("Rectangle P = " + method.rectanglePerimeter(length, width, value));
 				break;
 			}
 			case 6: //Find the perimeter of a triangle.
 			{
 				System.out.print("Enter the length of SIDE 1: ");
 				side1 = keyboard.nextDouble();
 				System.out.print("Enter the length of SIDE 2: ");
 				side2 = keyboard.nextDouble();
 				System.out.print("Enter the length of SIDE 3: ");
 				side3 = keyboard.nextDouble();
 				System.out.println("Triangle P = " + method.trianglePerimeter(side1, side2, side3, value));
 				break;
 			}
 			case 7: //Find the area of a rectangle.
 			{
 				System.out.print("Enter the LENGTH: ");
 				length = keyboard.nextDouble();
 				System.out.print("Enter the WIDTH: ");
 				width = keyboard.nextDouble();
 				System.out.println("Rectangle A = " + method.rectangleArea(length, width, value));
 				break;
 			}
 			case 8: //Find the area of a triangle.
 			{
 				System.out.print("Enter the BASE: ");
 				base = keyboard.nextDouble();
 				System.out.print("Enter the HEIGHT: ");
 				height = keyboard.nextDouble();
 				System.out.println("Triangle A = " + method.triangleArea(base, height, value));
 				break;
 			}
 			case 9: //Find the circumferance of a circle.
 			{
 				System.out.print("Enter the RADIUS: ");
 				radius = keyboard.nextDouble();
 				System.out.print("Circle C = " + method.circleCircumference(radius, value));
 				break;
 			}
 			case 10: //Fahrenheit to Centigrade.
 			{
 				System.out.print("Enter the temperature(F): ");
 				fahrenheit = keyboard.nextDouble();
 				System.out.print(method.fahrenheitToCentigrade(fahrenheit) + "C");
 				break;
 			}
 			case 11: //Centigrade to Fahrenheit.
 			{
 				System.out.print("Enter the temperature(C): ");
 				centigrade = keyboard.nextDouble();
 				System.out.print(method.centigradeToFahrenheit(centigrade) + "F");
 				break;
 			}
 		}
 	}
 }
/*
 *Andrew Davis
 *Nov. 19, 2010
 *
 *This program contains all methods.
 */
 
 public class MethodMaster
 {
 	public void printMenu()
 	{
 		System.out.println("Choose what you would like to calculate: ");
 		System.out.println(" 1. Add two numbers");
 		System.out.println(" 2. Subtract two numbers");
 		System.out.println(" 3. Multiply two numbers");
 		System.out.println(" 4. Divide two numbers");
		System.out.println(" 5. Find the perimeter of a rectangle");
		System.out.println(" 6. Find the perimeter of a triangle");
		System.out.println(" 7. Find the area of a rectangle");
		System.out.println(" 8. Find the area of a triangle");
		System.out.println(" 9. Find the circumference of a circle");
		System.out.println(" 10. Fahrenheit to Centigrade");
		System.out.println(" 11. Centigrade to Fahrenheit");
		System.out.print("Enter the number of your choice: ");
 	}
 	// 1. Add two numbers.
 	public double addNumbers(double num1, double num2, double value1)
 	{
 		value1 = num1 + num2;
 		return value1;
 	}
 	// 2. Subtract two numbers.
 	public double subtractNumbers(double num1, double num2, double value1)
 	{
 		value1 = num1 - num2;
 		return value1;
 	}
 	// 3. Multiply two numbers.
 	public double multiplyNumbers(double num1, double num2, double value1)
 	{
 		value1 = num1 * num2;
 		return value1;
 	}
 	// 4. Divide two numbers.
 	public double divideNumbers(double num1, double num2, double value1)
 	{
 		value1 = num1 / num2;
 		return value1;
 	}
 	// 5. Find the perimeter of a rectangle.
 	public double rectanglePerimeter(double length1, double width1, double value1)
 	{
 		value1 = (length1 + width1) * 2;
 		return value1;
 	}
 	// 6. Find the perimeter of a triangle.
 	public double trianglePerimeter(double side1, double side2, double side3, double value1)
 	{
 		value1 = side1 + side2 + side3;
 		return value1;
 	}
 	// 7. Find the area of a rectangle.
 	public double rectangleArea(double length1, double width1, double value1)
	{
		value1 = length1 * width1;
		return value1;
	}
	// 8. Find the area of a triangle.
	public double triangleArea(double base1, double height1, double value1)
	{
		value1 = 0.5 * (base1 * height1);
		return value1;
	}
	// 9. Find the circumference of a circle.
	public double circleCircumference(double radius1, double value1)
	{
		value1 = (2 * radius1) * 3.14159265;
		return value1;
	}
	// 10. Fahrenheit to Centigrade.
	public double fahrenheitToCentigrade(double fahrenheit1)
	{
		double centigrade1 = 5.0 / 9.0 * (fahrenheit1 - 32);
		return centigrade1;
	}
	// 11. Centigrade to Fahrenheit.
	public double centigradeToFahrenheit(double centigrade1)
	{
		double fahrenheit1 = 9.0 / 5.0 * (centigrade1 + 32);
		return fahrenheit1;
	}
 }
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