Builder design pattern: Why do we need a Director?

Question

Recently I\'ve come across the Builder design pattern. It seems that different authors use \"Builder pattern\" to refer to different flavours, so let me describe the pattern

Answer 1

Let's say that you want to make a cake without the dry ingredients. What you are going to do is just adding a new method into the Director or making another Director. This will protect you from inheritance complexity and also will make your code more flexible.