Design a Coffee Shop

OO design for a coffee shop

http://massivetechinterview.blogspot.in/2015/07/thought-works-oo-design-for-coffee-shop.html

Design a Tic Tac Toe Game

Write me a function for the game of tic-tac-toe in C

Useful Links:
http://www.codercaste.com/2011/01/26/how-to-code-a-tic-tac-toe-game-in-c-including-artificial-intelligence-opponent/
http://stackoverflow.com/questions/6572194/review-my-design-tic-tac-toe-game-using-oo-methodology

Efficient data structure for storing and calculating the total resistance

Given a Circuit (with resistors), we need to calculate the total resistance. Input will be like AB-5ohm, BC-6ohm, BC-10ohm, BC-20 ohm, CD-5 ohm. BC has been repeated twice implying they are in series. "Write a program  by implementing efficient data structure for storing and calculating the total resistance

Design a Chess Game

Object oriented design for chess game

Object Oriented design represents the real world objects in code.

https://xmruibi.gitbooks.io/interview-preparation-notes/content/OOD/DesignExamples/ChessGame.html

http://massivetechinterview.blogspot.in/2015/07/design-chess-game-using-oo-principles.html

Design a Server to keep track of shares and clients

Design an object oriented design system for an server that keeps track of shares and clients can ask the server to get the most up to date information about value of the shares.

Design a Text Editor

https://www.quora.com/Which-data-structure-would-you-use-to-design-a-Text-editor

Design an online multiplayer game

Design an online multiplayer game

• How to Create an Asynchronous Multiplayer Game
• How to Create an Asynchronous Multiplayer Game Part 2: Saving the Game State to Online Database
• How to Create an Asynchronous Multiplayer Game Part 3: Loading Games from the Database
• How to Create an Asynchronous Multiplayer Game Part 4: Matchmaking
• Real Time Multiplayer in HTML5

Design a Payment Gateway

Design a Payment Gateway

Pending

Design a Task scheduler

Given the interface below, implement a task scheduler.

interface Task {
    void Run();
    Set<Task> GetDependencies();
}

Additionally, the task scheduler should follow two rules.
1. Each task may only be executed once.
2. The dependencies of a task should be executed before the task itself.

http://shirleyisnotageek.blogspot.in/2015/03/task-scheduler.html

Design Address Book

http://www.cs.gordon.edu/courses/cs211/AddressBookExample/index.html

Design an online Teaching System

In an online teaching system,there are n number of teachers and each one teaches only one subject to any number of students.
And a student can join to any number of teachers to learn those subjects.
And each student can give one preference throuch which he can get updates about the subject or class timings etc.
Those preferences can be through SMS or twitter/facebook or email..etc.
Design above system and draw the diagram for above.

Design Facebook

https://www.reddit.com/r/cscareerquestions/comments/30y89g/how_do_you_answer_interview_questions_on_large/

Design a Library System

Object oriented design for a library to borrow and renew books

http://massivetechinterview.blogspot.in/2016/08/how-to-design-library.html

http://massivetechinterview.blogspot.in/2015/07/thought-works-object-oriented-design_63.html

Design a digital Watch

http://massivetechinterview.blogspot.in/2015/07/thought-works-object-oriented-design_70.html

Design a musical jukebox using OO principles [CCIB]

Solution:
Cracking the Coding Interview: Page 321 - 6th Edition

http://massivetechinterview.blogspot.in/2015/07/design-musical-jukebox-using-oo.html 

Design a cloud based file storage system like OneDrive

Design a cloud based file storage system like OneDrive

http://massivetechinterview.blogspot.in/2015/07/thought-works-object-oriented-design_21.html

Design a Chat Server [CCIB]

http://massivetechinterview.blogspot.in/2015/07/design-chat-server-hello-world.html

Design a Jigsaw Puzzle [CCIB]

http://massivetechinterview.blogspot.in/2015/07/implement-jigsaw-puzzle-kodeknight.html

Dictionary data structure

How to preprocess dictionary so that below operations are best supported

a)   Search in dictionary
b)   given a string find all valid anagrams in a dictionary
c)   typing prefix of a valid string suggests valid words

http://www.geeksforgeeks.org/data-structure-dictionary-spell-checker/
http://stackoverflow.com/questions/10017808/best-data-structure-for-implementing-a-dictionary