how to use class in programming c# with unity?

Questions & Answers
1

how to use ‘class’ in programming c# with unity? 1. ‘class’ that we created ( example : public class PlayerData in PlayerData.cs. 2. ‘class’ exist in unity class library ( example : UnityEngine.Sprite ). what different between using class ? how to understand it ? what i create a ‘class’.cs for? how it work? how to learn create a class file and use it? how to use class in unity class library?

2

hi;
i usually use them when i want a special kind of variables;

for example think that u want to create different charachters that have many different values like health , mana , armor etc …
to control them u have to create a variable for each soldier but with a class u can have all of the at once ;

[System.Serializable]
class SoldierVariables
{
    public int Health;
    public string Name;
    public float moveSpeed;
    public GameObject[] Guns;
}

and then simply create array of those variables like this to have in inspector :

    public SoldierVariables[] AllSoldiersDetailes;

there are other uses too like create a functionality class to use later on other scripts and on but this is the most use i have from it ;