string color = "black";

if (color == "black")
{
  Console.WriteLine("It's black.");
}
else if (color == "white")
{
  Console.WriteLine("It's white.");
}
else {
  Console.WriteLine("It's other color.");
}

int saleAmount = 1001;
int discount = saleAmount > 1000 ? 100 : 50;
Console.WriteLine($"Discount: {discount}");

bool flag = true;
if (flag)
{
  int value = 10;
  Console.WriteLine($"Inside the code block: {value}"); // Prints value.
}
Console.WriteLine($"Outside the code block: {value}"); // Gives error because value is declared inside the if code block.

string fruit = "apple";

switch (fruit)
{
  case "apple":
    Console.WriteLine($"App will display information for apple.");
    break;
  case "banana":
    Console.WriteLine($"App will display information for banana.");
    break;
  case "cherry":
    Console.WriteLine($"App will display information for cherry.");
    break;
  default:
    Console.WriteLine($"App will not display information about any fruit.");
    break;
}

string[] names = { "Rowena", "Robin", "Bao" };

foreach (string name in names)
{
  Console.WriteLine(name); // "Rowena", "Robin", "Bao"
}

for (int i = 0; i < 10; i++)
{
  if (i > 5) {
    break;
  }
  Console.WriteLine(i); // 1, 2, 3, 4, 5
}

Random random = new Random();
int current = 0;

do
{
  current = random.Next(1, 11);
  
  if (current >= 8) {
    continue;
  }
  
  Console.WriteLine(current);
} while (current != 7);

Random random = new Random();
int current = random.Next(1, 11);

while (current >= 3)
{
  Console.WriteLine(current);
  current = random.Next(1, 11);
}
Console.WriteLine($"Last number: {current}");