Encapsulation

public class Person
{
    private string name;
    private int age;

    // Encapsulated methods to access private members
    public string GetName()
    {
        return name;
    }

    public void SetName(string newName)
    {
        name = newName;
    }

    public int GetAge()
    {
        return age;
    }

    public void SetAge(int newAge)
    {
        age = newAge;
    }
}