CS/C#

Example

using System; class Program { static void Main() { int n; Console.Write("Input: "); n = int.Parse(Console.ReadLine()); Console.WriteLine("You entered: " + n); } } OUTPUT: Input: 5 You entered: 5

Variables

- int - EX: 100 - Size: 4 bytes - float - EX: 5.67f - Size: 4 bytes - double - EX: 5.678 - Size: 8 bytes - char - EX: 'A' - Size: 2 bytes - string - EX: "Hello" - Size: depends on content - bool - EX: true/false - Size: 1 byte - long - EX: 1000000L - Size: 8 bytes - short - EX: 100 - Size: 2 bytes - decimal - EX: 10.5m - Size: 16 bytes

Input

int number; Console.Write("Enter number: "); number = int.Parse(Console.ReadLine()); Console.WriteLine("Number: " + number); char character; Console.Write("Enter character: "); character = char.Parse(Console.ReadLine()); Console.WriteLine("Character: " + character);

Output

Console.WriteLine("text"); Console.WriteLine(variable); Console.Write("Same line "); Console.WriteLine(); // Empty line Console.WriteLine('A'); Console.WriteLine((char)65); // Outputs: A Console.WriteLine("Hello\tWorld"); // Tab Console.WriteLine("Line1\nLine2"); // New line

Comments

// This is a single-line comment /* This is a multi-line comment Spans multiple lines */

Functions

static int Add(int a, int b) { return a + b; } // Usage: int result = Add(5, 3); Console.WriteLine(result); // void function (no return) static void Greet(string name) { Console.WriteLine("Hello " + name); }