Objects

• Items that appear in Alice are objects

• Alice is an object, a car is an object, …

• Objects have

• Properties – the objects characteristics
• color, size, opacity
• Methods – actions that the object can perform
• Methods commonly result in an object performing some action – moving, turning, etc.
• Components made up of other objects
• Objects are commonly made of other objects (subparts)
• Alice has an 2 arms (each an object), 2 legs (each an object)
• Each of the subparts has its own properties and methods