The document discusses object oriented programming concepts like state, behavior, objects, classes, and methods. It mentions specific Java classes like String and wrappers, and OOP concepts like inheritance, constructors, overriding, overloading and static keywords. It encourages the reader to never give up learning object oriented programming.

1. Day 2

2. OOP Object Oriented Programming

4. State (Fields)

6. Behavior (Methods)

8. Take a look around

10. ObjectJava

11. StringJava

12. Wrappers

13. beauty salon

14. Administrator calculateSalary()

15. Stylist experience if statement switch statement

16. Art Master inheritance method arguments, overriding, overloading constructors, this, super

18. keyword static

19. Never, Never, Never, Never Give Up!

21. I already have a job

22. I’m the Expert of SE