Question

using C#, implement classes as shown below:

nterface Order +make Order): string +make Payment (double amount): string Contact +contactID: integer name:string +address: string +phoneNum :string +Contact(int id, string name, st ring address, string phoneNum) +To String): string Customer Vendor +Customer (int id, st ring name, string address, string phoneNum) A +Vendor int id, string name, string address, string phoneNum) 1

Ready to pay as 4 questions for this (not only 1), just tell me how can I pay the other 3.

Answer 1

Done. Please read the code and if you have any doubts leave a comment. All are done so no need to put more questions for it. Put all of them in same project and Run the code. Output screenshot is included as well.

/////////////////////////////////IOrder.cs/////////////////////////////////////////////////

using System;

namespace CustomerApp
{
    //Interface with 2 methods and will be implemeneted by the Customer and Vendor class
    public interface IOrder
    {
        string makeOrder();
        string makePayment(double amount);
    }
}

/////////////////////////////////End IOrder.cs/////////////////////////////////////////////////

/////////////////////////////////Contact.cs/////////////////////////////////////////////

/*
* Created by SharpDevelop.
* User: CKaur
* Date: 27-02-2019
* Time: 09:02
*
* To change this template use Tools | Options | Coding | Edit Standard Headers.
*/
using System;

namespace CustomerApp
{
    //Contact is a base class that will be used by other classes like Customer and Vendor
    public class Contact
    {
        public int contactId;
        public string name;
        public string address;
        public string phoneNum;
        
        //Constructor that sets the values according to the parameters recieved
        public Contact(int id, string n,string add,string phNumber)
        {
            contactId=id;
            name =n;
            address = add;
            phoneNum =phNumber;
        }
        //The method returns a more meaningful information about the class
        public override string ToString()
        {
            return "ID Number: " + contactId + "\n" + name +"\n" +address +"\n"+phoneNum;
        }
    }
}

//////////////////////////////////////////////End Contact.cs///////////////////////////////////////////////////////

///////////////////////////////////////////////////Customer.cs////////////////////////////////////////////////////

using System;

namespace CustomerApp
{
    //Customer class that Implemennts Order Interface and Extends Base Class Contact
    public class Customer : Contact, IOrder
    {
        //Constructor that calls the constructor of the base class i.e. Contact class
        public Customer(int id, string n,string add,string phNumber): base(id, n, add, phNumber)
        {
        
        }
        //Implement makeOrder from Interfacce Iorder
        public string makeOrder(){
            return "Incoming order from: " +base.ToString();
        }
        //Implement makePayment from Interfacce Iorder
        public string makePayment(double amount){
            return "Incoming payment of amount $"+amount +" from "+base.ToString();
        }
    }
}

////////////////////////////////////End Customer.cs//////////////////////////////////////////

////////////////////////////////////////////Vendor,cs//////////////////////////////////////////

using System;

namespace CustomerApp
{
    //Vendor class that Implemennts Order Interface and Extends Base Class Contact
    public class Vendor : Customer, IOrder
    {
        //Constructor that calls the constructor of the base class i.e. Contact class
        public Vendor(int id, string n,string add,string phNumber): base(id, n, add, phNumber)
        {
        }
        //Implement makeOrder from Interfacce Iorder
        public new string makeOrder(){
            return "Outgoing order from: " +base.ToString();
        }
        //Implement makePayment from Interfacce Iorder
        public new string makePayment(double amount){
            return "Outgoing payment of amount $"+amount +" from " +base.ToString();
        }
    }
}

//////////////////////////////////////////////End Vendor.cs//////////////////////////////////////////////////

////////////////////////////////////////////////Tester,cs////////////////////////////////////////

using System;

namespace CustomerApp
{
    //Test class creates an instancce of Customer class and Vendor class and checks the methods of both the classes
    class Tester
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("Start Program !");
            //create instance of Customer class
            Customer customer1 = new Customer(100,"Jane Brown","123Main","905-555-1234");
            //create instance of Vendor class
            Vendor vendor1 = new Vendor(101,"John Black","456 Main","905-333-5678");

            //call both the methods from Customer class
            Console.WriteLine(customer1.makeOrder());
            Console.WriteLine(customer1.makePayment(55.55));
            //call both the methods from Vendor class
            Console.WriteLine(vendor1.makeOrder());
            Console.WriteLine(vendor1.makePayment(105.47));
            Console.WriteLine("Press key to Stop....");
            Console.Read();
            
        }
    }
}

/////////////////////////////////////////End Tester.cs/////////////////////////////////////////////////

Output screenshot

customerApp-SharpDevelop File Edit View Project Build Debug Search Analysis Tools Window Help Vendor.cs Contact. Order.cs Customercs Tester.cs Tester Solution CustomerApp E-코 Custom xApp - ○ × Misc Referenc Propertie Build action Copy to output Custom Tool File name Compile Never tart Program! Incoming order from: ID Number: 160 ane Brown 23Main e5-555-1234 ncoming payment of amount $55.55 from ID Number: 1e0 ane Brown 23Main e5-555-1234 utgoing order from: ID Number: 101 ohn Black 456 Mairn e5-333-5678 utgoing payment of amount $185.47 from ID Number: 161 ohn Black 456 Mairn e5-333-5678 ress key to stop.... Contact.c Custome Tester.cs Build action The build action of that fil ー Projects A. Tools DebugX OutputErrorsLocal variables Build finished successfully Callstack Watch Console In 24 col 13 ENG 10.22 IN 27-02-2019 4 ch 4 O Type here to search ㄧ曲 oe夸@费며