public static void Main()
{
var calculator = new PrimitiveCalculator(new AdditionStrategy());
var input = Console.ReadLine();
while (input != "End")
{
var tokens = input.Split();
if (tokens[0] == "mode")
{
switch (tokens[1])
{
case "+":
calculator.changeStrategy(new AdditionStrategy());
break;
case "-":
calculator.changeStrategy(new SubtractionStrategy());
break;
case "*":
calculator.changeStrategy(new MultiplyStrategy());
break;
case "/":
calculator.changeStrategy(new DivideStrategy());
break;
}
}
else
{
var firstOperand = int.Parse(tokens[0]);
var secondOperand = int.Parse(tokens[1]);
var result = 0;
try
{
result = calculator.performCalculation(firstOperand, secondOperand);
Console.WriteLine(result);
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
}
input = Console.ReadLine();
}
}
static void Main()
{
var calculator = new PrimitiveCalculator();
string input;
while ((input = Console.ReadLine()) != "End")
{
string[] data = input.Split("\t ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (data[0] == "mode")
{
char @operator = data[1][0];
calculator.changeStrategy(@operator);
}
else
{
int number1 = int.Parse(data[0]);
int number2 = int.Parse(data[1]);
Console.WriteLine(calculator.performCalculation(number1, number2));
}
}
}
static void Main(string[] args)
{
PrimitiveCalculator calculator = new PrimitiveCalculator();
var input = Console.ReadLine();
while (input != "End")
{
if (input.Contains("mode"))
{
calculator.changeStrategy(input[input.Length - 1]);
}
else
{
int[] operands = input
.Split(' ')
.Select(int.Parse)
.ToArray();
Console.WriteLine(calculator.performCalculation(operands[0], operands[1]));
}
input = Console.ReadLine();
}
}
static void Main(string[] args)
{
PrimitiveCalculator primitiveCalculator = new PrimitiveCalculator(new AdditionStrategy());
string input = string.Empty;
while ((input = Console.ReadLine()) != "End")
{
string[] commandArgs = input.Split();
if (commandArgs[0] == "mode")
{
char @operator = commandArgs[1][0];
switch (@operator)
{
case '+':
primitiveCalculator.changeStrategy(new AdditionStrategy());
break;
case '-':
primitiveCalculator.changeStrategy(new SubtractionStrategy());
break;
case '*':
primitiveCalculator.changeStrategy(new MultiplicationStrategy());
break;
case '/':
primitiveCalculator.changeStrategy(new DivisionStrategy());
break;
}
}
else
{
int firstNumber = int.Parse(commandArgs[0]);
int secondNumber = int.Parse(commandArgs[1]);
int result = primitiveCalculator.performCalculation(firstNumber, secondNumber);
Console.WriteLine(result);
}
}
}