Wrap-up

Introduction to Object-Oriented Programming in Java

Sani Yusuf

Lead Software Engineering Content Developer

Chapter 1 - object-oriented programming (OOP) Java introduction

• Classes as blueprints
• Cookie cutter & Cookie example
• Methods with void, return keywords
• Creating objects and instances with new keyword

Chapter 2 - encapsulation and inheritance

• Access modifiers: public, private, static
• Encapsulation
• Inheritance: extends
• Base class and sub class
• Abstract classes: abstract

Chapter 3 - interfaces and polymorphism

• Interfaces interface, implements, final
• Polymorphism
  • @Override
  • Overload

Next steps

• Internet Sources
  • Oracle's Java site: the stewards of Java technology (Oracle) web site
  • dev.java: Java developer news, events, and other information
  • Open JDK: community dedicated to a free and open-source implementation of Java

Congratulations!

Introduction to Object-Oriented Programming in Java