The most important concepts of object-oriented programming: abstract classes, interfaces and their uses with a program on a real-life basis and implementing all of them. Bonus Content: Anonymous Classes
The most important concepts of object-oriented programming: inheritance, constructor and use of “this” and “super” keyword along with a program on real
life basis implementing all of them.
The first major step in the software development field is having proper knowledge and understanding of the object-oriented programming concept and its implementation.