Introduction Imagine you're a restaurant manager with different types of…

Introduction Imagine having a secret room that only specific people…

Introduction Imagine you have a important document that you need…

Introduction Imagine you're opening a new bank account. Sometimes you…

Introduction Imagine you're building a house and you have a…

Introduction Imagine you're building a house. Before anyone can live…

Introduction Imagine you're in a room full of people and…

Introduction Imagine you're building a house where you need to…

Introduction Imagine you're an architect designing houses. The blueprint (class)…

Introduction Imagine you're building with LEGO blocks. Some pieces are…