Question

Create a class “Person” which includes first name, last name, age, gender, salary, and haveKids (Boolean) variables. You have to create constructors and properties for the class.

Create a “MatchingDemo” class. In the main function, the program reads the number of people in the database from a “PersonInfo.txt” file and creates a dynamic array of the object. It also reads the peoples information from “PersonInfo.txt” file and saves them into the array.

In C#

Give the user the ability to search gender, age, salary, or haveKids and then display the result in descending order. If there is no matching result, the program displays “No Matching Found”

Create a search function with the parameters for search that one person the user wanted.

Create a sorting function to display the result in descending order.

Answer 1

Check with the below code:

using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;

namespace MatchFinderConsole
{
class MatchingDemo
{
static void Main(string[] args)
{
List<Person> listArray = new List<Person>();

using (StreamReader reader = new StreamReader("..\\..\\PersonInfo.txt"))
{
while (true)
{
string line = reader.ReadLine();
if (line == null)
{
break;
}

string []tempAr;
tempAr=line.Split(',');

Person obj = new Person();
obj.firstName = tempAr[0];
obj.lastName = tempAr[1];
obj.age = Convert.ToInt16(tempAr[2]);
obj.gneder = tempAr[3];
obj.salary = Convert.ToDouble(tempAr[4]);
obj.haveKids = Convert.ToBoolean(tempAr[5]);

listArray.Add(obj);

}
}

//Filter by age

var newList = listArray.OrderByDescending(x => x.age)
.ThenBy(x => x.age)
.ToList();

//Filter by salary

var newList1 = listArray.OrderByDescending(x => x.salary)
.ThenBy(x => x.salary)
.ToList();

}
}
class Person
{
public string firstName;
public string lastName;
public int age;
public string gneder;
public double salary;
public bool haveKids;

}

}

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