class Car blueprint
Car.totalBuilt 0
fields · one copy per object
color
brand
speed = 0
methods · shared by every object
accelerate(amount)
brake()
describe()
constructor — build a new object
Objects 0 live ← stamped from one class
console
▸ One class on the left, many objects on the right. Accelerate one car — only its speed changes. That's independent object state.