What are the most important commands to learn to master OOP in Java?

Question

I'm trying to improve myself in this topic but im not sure on which particular commands i should focus more. Thank you for your answers

Answer 1

Yesh Jadav

Java doesn't have pointer it has references.. 😅

https://stackoverflow.com/questions/2629357/does-java-have-pointers

Answer 2

to master oop in java u required to clear specific points ...
1) pointers
2)class
3)method
4)various tuples
5)inheritance
6)polymorphism (exceptional)
7)contructors

Answer 3

yess $hardul Birje thanks for correcting