t1.cs

// See https://aka.ms/new-console-template for more information
using System.Diagnostics;
using System.Runtime.CompilerServices;


Console.WriteLine("Hello, World!");


public class Calculator
{
    public int Add(int num1, int num2)
    {
        int result = num1 + num2;
        return result;
    }



    public void Multiple(int num1, int num2)
    {
        int result = num1 * num2;
        Debug.Log($"{num1} x {num2} = {result}");
    }

    private void Awake()
    {
        Multiple(3, 4);
        Multiple(5, 8);
        Multiple(4, 6);
    }

}
class MinMax()
{
    private void Awake() 
    {
        int a = Max(10, 20);
        Debug.Log(Max(100, 200));
        Max(5, 10);
    }
    public int Max(int num1, int num 2)
    {
        if ( num1 > num2 )
        {
            return num1;
        }
        return num2;
    }
    public void Divide(int num1, int num2)
    {
        if( num2 == 0) 
        {
            Debug.Log("나누려는 값이 0이기 떄문에 프로그랩 종료");
            return
        }
        float result = num1 / num2;
        Debug.Log($"{num1} / {num2} = {result}");   


    }
}
class CallByValue()
{
    private void Awake()
    {
        int a = 3, b = 4;
        Add(a, b);
    }

    public void Add(int num1, int num2)
    {
        int result = num1 + num2;
        Debug.Log($"{num1} + {num2} = {result}");
    }
}
class callByRef()
{
    private void Awake()
    {
        int a = 3, b = 4;
        Debug.Log($"Before a={a}, b={b}");
        Swap(ref a, ref b);
        Debug.Log($"After a={a}, b={b}");
    }

    public void Swap(ref int num1, ref int num2)
    {
        int temp = num1;
        num1 = num2;
        num2 = temp;
    }
}


public class Out
{
    private void Awake()
    {
        int a = 5, b = 4, result1 = 0, result2 = 0;
        Divide(a, b, out result1, out result2);
        Debug.Log($"몫={result1}, 나머지={result2}");
    }

    public void Divide(int num1, int num2, out int result1, out int result2)
    {
        result1 = num1 / num2;
        result2 = num1 % num2;
    }
}
public class Overloading
{
    private void Awake()
    {
       
        Add(10, 20);

       
        Add(172.3f, 89.5f);
    }

   
    public void Add(int num1, int num2)
    {
        int result = num1 + num2;
        Debug.Log($"{num1} + {num2} = {result}");
    }

   
    public void Add(float num1, float num2)
    {
        float result = num1 + num2;
        Debug.Log($"{num1} + {num2} = {result}");
    }
}


public class Parameter
{
    private void Awake()
    {
        Player("고박사", 100);
        Player(ID: "고박사", health: 100);
        Player(health: 100, ID: "고박사");
    }

    public void Player(string ID, int health)
    {
        Debug.Log($"ID : {ID}, HP : {health}");
    }
}

public class DefaultParameter
{
    private void Awake()
    {
        Player("고박사");
        Player("고박사", 3000);
    }

    public void Player(string ID, int health = 1000)
    {
        Debug.Log($"ID : {ID}, HP : {health}");
    }
}




public class Player
{
    private string ID = "고박사";
    private int currentHP = 1000;

    public void TakeDamage(int damage)
    {
        if (currentHP > damage)
        {
            currentHP -= damage;
        }
    }
}

public class Enemy
{
    private Player player;

    public void AttackToTarget(Player target)
    {
        target.TakeDamage(100);
    }
    public class GameController : MonoBehaviour
    {
        public Player player01;
        public Player player02;

        private void Awake()
        {
            player01 = new Player();
            player02 = new Player();

            player01.TakeDamage(100);
            player02.TakeDamage(200);
        }
    }
    public class GameController2 : MonoBehaviour
    {
        public Player player01;

        private void Awake()
        {
            player01 = new Player();
        }
    }
}


public class Player2
{
    public string ID;
    private int currentHP;

    public Player2()
    {
        ID = "고박사";
        currentHP = 1000;
    }

    public Player2(string id, int hp)
    {
        ID = id;
        currentHP = hp;
    }
}