Malta

C# Code dag 1 

 using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

public enum Days

{

 Monday,

 Tuesday,

 Wednesday

}

namespace RPG

{

 class Program

 {

 /// <summary>

 /// Main entry point for the application.

 /// </summary>

 static void Main()

 {

 // Declare variables

 int playerHealth = 100;

 float playerAttack = 10.0f;

 char playerClass = 'W';

 string playerName = "Hero";

 bool isPlayerAlive = true;

 string playerClassName = null;

 //Write Line Example

 Console.WriteLine("Hello World");

 Console.Write("Helo");

 Console.WriteLine("World");

 // Concatenation

 string conctenatedString = "Hello" + " " + "World";

 Console.WriteLine(conctenatedString);

 // String interpolation

 string interpolatedString = $"Hello {playerName}, your class is {playerClass}";

 Console.WriteLine(interpolatedString);

 //Console Input

 Console.Write("Enter your name:");

 playerName = Console.ReadLine();

 //Console Input with formatting

 Console.WriteLine($"Player Name: {playerName}");

 //Arithmetic Operations

 int a = 5, b = 10;

 // Addition

 int sum = a + b;

 Console.WriteLine($"Sum: {sum}");

 // Subtraction

 int difference = b - a;

 Console.WriteLine($"Difference: {difference}");

 // Multiplication

 int product = a * b;

 Console.WriteLine($"Product: {product}");

 // Division

 int division = b / a;

 Console.WriteLine($"Quotient: {division}");

 // Modulus -- Remainder of division

 int modulus = b % a;

 Console.WriteLine($"Remainder: {modulus}");

 //Comparison Operators

 // Equal to

 bool isEqual = (a == b);

 Console.WriteLine($"Is Equal: {isEqual}");

 // Not equal to

 bool isNotEqual = (a != b);

 Console.WriteLine($"Is Not Equal: {isNotEqual}");

 // Greater than

 bool isGreater = (a > b);

 Console.WriteLine($"Is Greater: {isGreater}");

 // Less than

 bool isLess = (a < b);

 Console.WriteLine($"Is Less: {isLess}");

 // Greater than or equal to

 bool greaterThanOrEqual = (a >= b);

 Console.WriteLine($"Is Greater or equal too: {greaterThanOrEqual}");

 // Less than or equal to

 bool lessThanOrEqual = (a <= b);

 Console.WriteLine($"Is Less or equal too: {lessThanOrEqual}");

 //Logical Operators

 bool ACondition = true, BCondition = false;

 // AND -- Both conditions must be true

 bool andCondition = ACondition && BCondition;

 Console.WriteLine($"AND Condition: {andCondition}");

 // OR -- At least one condition must be true

 bool orCondition = ACondition || BCondition;

 Console.WriteLine($"OR Condition: {orCondition}");

 // NOT -- Inverts the value of the condition if true it becomes false and vice versa

 bool notCondition = !ACondition;

 Console.WriteLine($"NOT Condition: {notCondition}");

 // Ternary Operator

 // A shorthand for if-else statements

 string result = (a > b) ? "A is greater than B" : "B is greater than A";

 Console.WriteLine(result);

 //Control Flow

 // If-Else Statement

 if (playerHealth > 0)

 {

 Console.WriteLine($"{playerName} is alive.");

 }

 else

 {

 Console.WriteLine($"{playerName} is dead.");

 }

 //if else if else statement

 if (playerHealth > 50)

 {

 Console.WriteLine($"{playerName} is alive.");

 }

 else if (playerHealth == 0)

 {

 Console.WriteLine($"{playerName} is dead.");

 }

 else

 {

 Console.WriteLine($"{playerName} is injured.");

 }

 //Alternative way to write if, if the if statement is 1 line long ; else with braces

 if (playerHealth > 0) Console.WriteLine(result);

 // Switch Statement

 int day = 3;

 switch(day)

 {

 case 0: Console.WriteLine("Day is Sunday"); break;

 case 1: Console.WriteLine("Day is Monday"); break;

 case 2: //Adding break statement to prevent fall through

 case 3: Console.WriteLine("Day is Wednesday"); break;

 case 4: Console.WriteLine("Day is Thursday"); break;

 case 5: Console.WriteLine("Day is Friday"); break;

 default: Console.WriteLine("No Days"); break;

 }

 //Looping Constructs

 // For Loop

 //i++ will increment the value of i by 1 after each iteration

 //++i will increment the value of i by 1 before each iteration

 for (int i = 0; i < 5; i++)

 {

 Console.WriteLine($"For Loop Iteration: {i}");

 }

 // While Loop

 int j = 0;

 // The while loop will continue to execute as long as the condition is true

 while (j < 5)

 {

 Console.WriteLine($"While Loop Iteration: {j}"); // Print the current value of j

 j++; // Increment j by 1

 }

 // Do-While Loop

 int k = 0;

 // The do-while loop will execute at least once before checking the condition

 do

 {

 Console.WriteLine($"Do-While Loop Iteration: {k}"); // Print the current value of k

 k++; // Increment k by 1

 } while (k < 5); // Continue as long as k is less than 5

 // Foreach Loop

 // The foreach loop is used to iterate over collections, such as arrays or lists

 string[] names = { "Alice", "Bob", "Charlie" };

 foreach (string name in names)

 {

 Console.WriteLine($"Foreach Loop Name: {name}"); // Print each name in the array

 }

 //Arrays and List

 // Array Declaration

 int[] numbers = new int[5]; // Declare an array of integers with a size of 5

 numbers[0] = 1; // Assign value to the first element

 numbers[1] = 2; // Assign value to the second element

 numbers[2] = 3; // Assign value to the third element

 numbers[3] = 4; // Assign value to the fourth element

 numbers[4] = 5; // Assign value to the fifth element

 // List Initialization

 List<int> numberList = new List<int>(); // Declare a list of integers

 numberList.Add(1); // Add value to the list

 numberList.Add(2); // Add value to the list

 numberList.Add(3); // Add value to the list

 //Remove

 numberList.Remove(2); // Remove value from the list

 //Remove From Index

 numberList.RemoveAt(0); // Remove value from the list at index 0

 //Length of Array -- Count of elements in the array

 Console.WriteLine($"Length of Array: {numbers.Length}");

 //Length of List -- Count of elements in the list

 Console.WriteLine($"Length of List: {numberList.Count}");

 //Dictionary

 // Dictionary Initialization

 Dictionary<string, int> playerStats = new Dictionary<string, int>();

 // Adding key-value pairs to the dictionary

 playerStats.Add("Health", 100);

 //Remove key-value pair from dictionary

 playerStats.Remove("Health");

 //Loop Through dictionary

 foreach (KeyValuePair<string, int> stat in playerStats)

 {

 Console.WriteLine($"Key: {stat.Key}, Value: {stat.Value}");

 }

 //Enum

 // Enum Declaration

 Days dayOfWeek = Days.Monday;

 //print as string

 Console.WriteLine($"Day of Week: {dayOfWeek}");

 // Enum to int

 int dayValue = (int)dayOfWeek;

 Console.WriteLine($"Day Value: {dayValue}"); //0

 //Try Catch

 try

 {

 // Code that may throw an exception

 // This will throw a DivideByZeroException

 int resultTry = 10 / 1; // Division by zero

 Console.WriteLine($"Result: {resultTry}"); // This line will not execute if an exception is thrown

 }

 catch (DivideByZeroException ex)

 {

 // Handle the exception

 Console.WriteLine($"Error: {ex.Message}");

 }

 catch (Exception ex)

 {

 // Handle any other exceptions

 Console.WriteLine($"An error occurred: {ex.Message}");

 }

 finally

 {

 // Code that will always execute, regardless of whether an exception occurred

 Console.WriteLine("Finally block executed.");

 }

 }

 }

}