C# Classes and Objects

Thu, 20 Oct 2022 00:00:00 +0000

What is Classes in C#?

Objects

Access Modifiers

https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/access-modifiers

https://www.cnblogs.com/xinaixia/p/5775471.html

Code

using System;

//class declaration
public class Car
{

 //instance 6 variables
 String name;
 String color;
 String transmission;
 String bodytype;
 int seat;
 int year;

 //constructor declaration of class
 public Car(String name, String color, String transmission, String bodytype, int seat, int year)
 {
 this.name = name;
 this.color = color;
 this.transmission = transmission;
 this.bodytype = bodytype;
 this.seat = seat;
 this.year = year;

 }

 //property 6
 public String getName()
 {
 return name;

 }
 public String getColor()
 {
 return color;

 }
 public String getTransmission()
 {
 return transmission;

 }
 public String getType()
 {
 return bodytype;

 }
 public int getSeat()
 {
 return seat;

 }
 public int getYear()
 {
 return year;

 }

 //method 
 public String ToString()
 {
 return ("This is Car detail- CarName:" + this.getName() + "\n Color :" + this.getColor()
 + "\n Transmission: " + this.getTransmission() + "\n Body type: " + this.getType()
 + "\n Seat : " + this.getSeat() + "\n Year: " + this.getYear())+"\n =================";

 }

 //main method
 public static void Main(string[] args)
 {
 // 5 object
 Car Toyota = new Car("Toyota Rush", "Silver", "Auto", "SUV", 7, 2020);
 Car Bmw = new Car("BMX X1", "Silver", "Auto", "SUV", 7, 2022);
 Car Honda = new Car("Accord", "Black", "Auto", "Sedan", 4, 2016);
 Car Tesla = new Car("Tesla S", "Red", "Auto", "Sedan", 4, 2017);
 Car Mazda = new Car("Mazda 929 Legato", "White", "Manual", "Sedan", 4, 1980);

 //output 
 Console.WriteLine(Toyota.ToString());

 Console.WriteLine(Bmw.ToString());

 Console.WriteLine(Honda.ToString());

 Console.WriteLine(Tesla.ToString());

 Console.WriteLine(Mazda.ToString());

 Console.WriteLine("==============\n Thank you !");
 //out put date and time

 DateTime now = DateTime.Now;
 Console.WriteLine("Print date: " + now);

 Console.ReadLine();
 }
}

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C# Classes and Objects

What is Classes in C#?

Objects

Access Modifiers

Code