Unit 2: Using ObjectsAP Computer Science AWhat you'll master in this unit•••••Objects vs. primitives — the big pictureKey concepts at a glanceWhy Unit 2 matters for the AP examCommon themes to watch for••••Unit 2 topicsUnit 2 overview2.1Objects2.2Creating Objects2.3Methods2.4String Methods2.5Math Class2.6Random Numbers← Previous1.7 Comparing ValuesNext →2.1 ObjectsPractice AP Computer Science A questions →