// Constructor
public CalculatorCommand(Calculator calculator,
char @operator, int operand)
{
this.calculator = calculator;
this.@operator = @operator;
this.operand = operand;
}
private static void Main()
{
Console.WriteLine($"X is 20 and Y is 10");
var calculator = new Calculator(20, 10);
var cmdAdd = new AddCommand(calculator);
Console.WriteLine($"Sum is {cmdAdd.Execute()}");
var cmdSub = new SubstractCommand(calculator);
Console.WriteLine($"Substract is {cmdSub.Execute()}");
var cmdMul = new MultiplyCommand(calculator);
Console.WriteLine($"Multiply is {cmdMul.Execute()}");
}
public User(Calculator calculator)
{
Calculator = calculator;
}
public CalculatorCommand(Calculator calculator, Operation operation, int operand)
{
_calculator = calculator;
_operation = operation;
_operand = operand;
}
public Add(Calculator calculator)
{
_calculator = calculator;
}