Tip: Design functions and classes to do one thing and do it well. Large functions and classes can be difficult to understand and maintain.
public class OrderService
{
public void ProcessOrder(Order order)
{
ValidateOrder(order);
CalculateOrderTotal(order);
SaveOrder(order);
}
private void ValidateOrder(Order order)
{
// Validation logic
}
private void CalculateOrderTotal(Order order)
{
// Calculation logic
}
private void SaveOrder(Order order)
{
// Persistence logic
}
}