Access method from another class

// Developed by : xxx xxx

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

namespace MyApplication
{
    class Program
    {
        static void Main(string[] args)
        {
            short choice;
            decimal money;
            string input;

            BankAccount myBank = new BankAccount("AIB BankAccount No.123", 1000);
            User me = new User("Michal", 200);

            me.Print();
            myBank.Print();

            Console.WriteLine("\nOptions:");
            Console.WriteLine("1. - Deposit");
            Console.WriteLine("2. - Withdraw");

            Console.WriteLine("\nPlease choose the number of your action!");
            input = Console.ReadLine();
            choice = Convert.ToSByte(input);

            if (choice == 1)
            {
                Console.Write("Deposit the value : ");
                input = Console.ReadLine();
                money = Convert.ToDecimal(input);

                me.GiveCash(money);
                myBank.Deposit(money);
                
            }
            else
            {
                Console.Write("Withdraw the value : ");
                input = Console.ReadLine();
                money = Convert.ToDecimal(input);

                myBank.Withdraw(money);
            }

            Console.Read();
        }
    }
}

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

namespace MyApplication
{
    class User
    {
        string name;
        decimal cash;

        public User() : this("Default name", 0) { }

        public User(string Name, decimal Cash)
        {
            name = Name;
            cash = Cash;
        }

        public decimal GiveCash(decimal value)
        {
            if (cash <= value)
            {
                cash -= value;

                return cash;
            }
            else
            {
                Console.WriteLine("DAMN! I dont have enought money in my pocket!");
            }
        }

        public void Print()
        {
            Console.WriteLine("Hello {0} you have {1} cash in your pocket.", name, cash);
        }
    }
}



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

namespace MyApplication
{
    class BankAccount
    {
        // public fields are not recommended due to security
        string name;
        decimal balance;

        // providing default constructor
        public BankAccount() : this("default name", 0) { }

        // constructor is used to initialize data fields, we can pass variables to a constructor but it doesnt return a value
        public BankAccount(string Name, decimal Balance)
        {
            balance = Balance;
            name = Name;
        }

        public void Withdraw(decimal value)
        {
            balance -= value;
            Console.WriteLine("Current balance is {0}.", balance);
        }

        public void Deposit(decimal value)
        {
            balance += value;
            Console.WriteLine("Current balance is {0}.", balance);
        }

        public void Print()
        {
            Console.WriteLine("Current balance of {0} is {1}.", name, balance);
        }

        // no need for destructor, its done automaticaly in garbage collector
    }
}