Lan Unity Development Fundamentals Two-Class 4 classes and objects

"Lan Unity Development Fundamentals II "Class 4 classes and objects

First, classes and objects

Class: The function of a class is to classify

A class is used to abstract the characteristics and behavior of an object.

Classes are abstractions used to describe behaviors that have the same characteristics

Second, define a class

Define a new type using the class keyword

Access modifier Class class name {class member ...}

public class person{string name;}

Third, Object

A class is an abstract type, and an object is a concrete instance.

Person P =new person ();

class and object source codeusingSystem;

namespacelesson_04
{
    //define a Peerson class
     Public class  Person{
         Public stringName://Name
        
    }
     Public class Car{
        
    }
        

    class MainClass
    {
         Public Static voidMain (string[] args)
        {
            //Declare a variable with person p,p called object, initialized with new
            //objects are also known as instances of classes, and the process of creating objects using classes is also called instantiation
             Personp=New  Person();
             PersonP1 =New  Person ();
            CarC =New Car();

        }
    }
}

Recommended Video Lecturer blog:http://11165165.blog.51cto.com/

Exercise: Create 10 classes and create individual objects with these types, respectively;

Lan Unity Development Fundamentals Two-Class 4 classes and objects