Can you explain me the step by step process in this?

Question

Encapsulation

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

namespace SoloLearn
{
class BankAccount {
private double balance=0;
public void Deposit(double n) {
balance += n;
}
public void Withdraw(double n) {
balance -= n;
}
public double GetBalance() {
return balance;
}
}
class Program
{
static void Main(string[] args)
{
BankAccount b = new BankAccount();
b.Deposit(199);
b.Withdraw(42);
Console.WriteLine(b.GetBalance());
}
}
}

Answer 1

You create a b object from the class BankAccount.Then you can access the two public function Deposit() and Withdraw() to modify the private variable balance value.Finally you display the final value of balance 167.