class declaration

Topic description  

class declaration. (console application)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

Declaration of namespace class
{
    class Program
    {
        static void Main(string[] args)
        {
            //To instantiate a class is to assign the class to an object
            Clerk zsClerk = new Clerk();
            zsClerk._name = "Zhang San";
            zsClerk._gender = Gender.男;
            zsClerk._age = 25;
            zsClerk._department = "Department of Manpower";
            zsClerk._workYears = 5;

            //call non-static method
            zsClerk.Write();
            // instantiate
            Clerk IsClerk = new Clerk();
            IsClerk._name = "Li Si";
            IsClerk._gender = Gender.女;
            IsClerk._age = 35;
            IsClerk._department = "Finance Department";
            IsClerk._workYears = 3;
            IsClerk.Write();
        }
    }
}

(declare a class) Solution Explorer → Right-click on the project name → Add → New Item → Class

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

Declaration of namespace class
{
    public enum Gender
    {
        male,
        Female
    }
    class Clerk
    {
        //The method can store fields, properties, and methods
        public string _name;//Field, naming convention, _camelCase
        //The field can store multiple values, the variable can only store one value, and the field is used to store data
        public Gender _gender;
        public int _age;
        public string _department;
        public int _workYears;

        public void Write()
        {
            Console.WriteLine("My name is {0}, I am from {1}, I am {2} years old, I work at {3}, I have worked for {4} years",this._name,this._gender,this ._age,this._department,this._workYears);//The keyword this represents the current object that has been instantiated
        }
    }
}