Person

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

namespace Arrays
{
    class Person
    {
        //полета -> характеристики
        private string firstName;
        private string lastName;
        private int age;
        private double salary;


        public Person ()
        {

        }

        public string FirstName
        {
            get { return this.firstName; }
            set
            {
                if (value.Length < 3)
                {
                    throw new ArgumentException("Name must be over 3 characters");
                }
                this.firstName = value;
            }
        }

        public string LastName
        {
            get { return this.lastName; }
            set
            {
                if (value.Length < 3)
                {
                    throw new ArgumentException("Name must be over 3 characters!");
                }
                this.lastName = value;
            }
        }

        public int Age
        {
            get { return this.age; }
            set
            {
                if(value <= 0)
                {
                    throw new ArgumentException("Age cannot be negative number!");
                }
                this.age = value;
            }
        }

        public double Salary
        {
            get { return this.salary; }
            set
            {
                if (value < 460)
                {
                    throw new ArgumentException("Salary has to be over 460!");
                }
                this.salary = value;
            }
        }
    }
}