package com.xray.tutorials;

public class Calculator
{
// Square function
public static int Square(int num)
{
    return num*num;
}
// Add two integers and returns the sum
public static int Add(int num1, int num2 )
{
    return num1 + num2;
}
// Add two integers and returns the sum
public static double Add(double num1, double num2 )
{
    return num1 + num2;
}
// Multiply two integers and retuns the result... this code is buggy on purpose
public static int Multiply(int num1, int num2 )
{
    if ((num1==1) || (num2==1)) {
        return 0;
    } else {
        return num1 * num2;
    }
}

public static int Divide(int num1, int num2 )
{
    return num1 / num2;
}

// Subtracts small number from big number
public static int Subtract(int num1, int num2 )
{
    if ( num1 > num2 )
    {
    return num1 - num2;
    }
    return num2 - num1;
    }
}

public static int Multiply(int num1, int num2 )
{
	return num1 * num2;
}