Classes and Objects in JAVA Everything that we see around us are objects for example people, metals, car, tree, bike, animals and so on. Every object belong to certain class. So, we have to understand their classification to differentiate among them. Class is way of describing some properities, functionality or behaviour of an objects. It is a template or blueprint for an object. For example a house  class will have four properties- windows, doors, roof, walls. so we can create the following properties of one house and their number or type may differ from hour=se to house. House Object-1 House Object-2 House Object-3 Property Numbers or type Property Numbers or type Property Numbers or type Windows 20 Windows 10 Windows 8 Doors 4 Doors 3 Doors 2 Type of roof Tiles Type of roof Grass Type of roof Wood Walls Bricks with plaster Walls Bricks Walls plaster As seen in above table all house have same