Object-Oriented Basics

OO Analysis and Design

What is UML?

Use Case Diagrams

Class Diagram

Activity Diagrams

Sequence diagram

Object Oriented Design and UML

Design a Library Management System

Design a Parking Lot

Design Amazon - Online Shopping System

Design Stack Overflow

Design a Movie Ticket Booking System

Design an ATM

Design an Airline Management System

Design Blackjack and a Deck of Cards

Design a Hotel Management System

Design a Restaurant Management system

Design Chess

Design an Online Stock Brokerage System

Design a Car Rental System

Design LinkedIn

Design Cricinfo

Design Facebook - a social network

Object Oriented Design Case Studies

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Appendix

Grokking the Object Oriented Design Interview

Object-oriented programming (OOP) is a style of programming that focuses on using objects to design and build applications. Contrary to procedure-oriented programming where programs are designed as blocks of statements to manipulate data, OOP organizes the program to combine data and functionality and wrap it inside something called an "Object".

If you have never used an object-oriented programming language before, you will need to learn a few basic concepts before you can begin writing any code. This chapter will introduce some basic concepts of OOP: