OOP in Java

OOP In Java

Object-Oriented Programming is a methodology for designing a computer program using class and objects.

  • Class
  • Object
  • Inheritance
  • Polymorphism
  • Interfaces
  • Abstract class

Note: The main purpose of OOP is to break complex problems into smaller objects.


  • Multiple people can easily work on the same project without any conflict.
  • It is faster and easier to execute.
  • It provides a clear structure for the programs.
  • It reduces code repetition and allows code reuse.
  • It makes the code easier to maintain, modify and debug.