Programming interview questions with answers covering ASP.NET, jQuery, JAVA, SQL, LINQ, Entity Framework and Regular Expressions

Having a bit of time in the last few weeks, I managed to hammer out some more detailed posts on my programming interview series blog.

Here is the table of contents for easy reference:

Introduction

1. Introduction to technical interviewing
2. Technical Interview Process – 30,000 feet overview
3. So, what can be asked in a programming interview?
4. Beyond the Code

Beginners programming questions

1. Simple coding questions–Part 1
2. How to find if a number is a Palindrome?
3. Linked lists demystified
4. Recursion–concepts and code
5. Linked Lists – Sorting, Searching, Finding Maximum and Minimum
6. Reverse a Linked List
7. Searching algorithms–Linear search
8. Binary Search
9. String manipulation can be fun
10. String pattern matching
11. String functions galore
12. Pass by value versus reference in C#
13. How to find if a number is perfect square

Advanced programming questions

1. Lost in a Forest of Trees
2. The Ins and Outs of a Binary Search Tree
3. Simple Patterns: Singleton Pattern
4. Simple Patterns: Repository Pattern
5. Simple Patterns: Factory Pattern
6. Implement a basic Stack using linked List
7. Implement a Queue data structure using a linked list
8. Operator overloading and pairing rules in C#
9. LINQ Query, Selection, Partial Selections and Aggregations
10. Explain System.IO and System.IO.Compression namespaces with an example
11. Explain C# yield keyword with an example
12. How to store user passwords using variable length random salt bytes with secure SHA512 cryptographic hashing functions

ASP.NET

1. How to redirect user to another page using ASP.NET
2. Return different HTTP response codes from Response...
3. Tracing page execution in ASP.NET
4. ASP.NET page validation controls
5. ASP.NET 4 site navigation using sitemaps
6. How do you serialize an object to and from XML
7. Manage state across entire application in ASP.NET
8. How to monitor file system changes using FileSystemWatcher in C#
9. ASP.NET @ Page directive
10. How to add HTML Server Controls to a Web Page Using ASP.NET
11. ASP.NET AJAX using UpdatePanel control
12. ASP.NET Session modes explained
13. Explain ASP.NET data binding using DataSets and DataSourceControls
14. ASP.NET HttpModule explained
15. ASP.NET HttpHandlers

jQuery

1. jQuery AJAX functions part 1–the load() method
2. jQuery AJAX functions part 2–get(), post(), getScript() and getJSON()
3. jQuery AJAX functions part 3–ajax()
4. Differentiate between alert(), prompt() and confirm() methods
5. jQuery fadeIn, fadeOut and fadeTo effects
6. jQuery Selectors reviewed
7. jQuery to block paste in a textbox
8. jQuery to create default text for a textbox
9. jQuery to select/deselect all items in a CheckBoxList
10. jQuery to show big image on hover

SQL

1. SQL Select Where Interview Questions
2. SQL GROUP BY and HAVING clauses
3. SQL CASE statement examples
4. SQL IF-ELSE and WHILE examples

LINQ

1. LINQ - Group, Sort and Count Words in a sentence by length
2. LINQ interview questions
3. LINQ SKIP and TAKE interview questions
4. LINQ JOIN interview questions

JAVA

1. Basic JAVA interview questions
2. Explain JAVA ConcurrentModificationException and solutions to fix it
3. JAVA serialization interview question
4. JAVA equals() versus == operator

Entity Framework

1. Entity Framework interview questions
2. Entity Framework and eager loading of related entities interview questions
3. Entity Framework and lazy loading interview questions
4. Entity Framework transaction scope examples

Regular Expressions

1. Regular expressions interview questions–Part 1
2. Regular expressions interview questions–Part 2
3. Regular expressions - groups and alternations (Part 3)

Comments

• Anonymous
  July 28, 2012
  Great collection of posts. Thank you for creating these programming interview questions and answers.

• Anonymous
  August 02, 2012
  Thanks for the awesome posts. Helped me a lot in my interviews.

• Anonymous
  August 06, 2012
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• Anonymous
  September 17, 2012
  Just found this treasure chest of great interview questions and answers. Wow

• Anonymous
  November 28, 2012
  its not easy to use..click on question it browse to another page then back for next question..

• Anonymous
  January 31, 2013
  Good one.. Thank you

• Anonymous
  March 20, 2013
  Awsome

• Anonymous
  April 09, 2013
  Thanks was very useful.

• Anonymous
  June 04, 2013
  thanks it help me ........................................

• Anonymous
  October 16, 2013
  great collection!! thanks. found one more link having good ques on garbage collection, just to share www.iminfo.in/.../advanced-inteview-questions-dot-net-garbage-collection-part-one

• Anonymous
  November 01, 2013
  made most of it! Thanx alot.!!!

• Anonymous
  February 05, 2014
  Nice work shared dude

• Anonymous
  February 25, 2014
  nice one.

• Anonymous
  February 28, 2014
  Some selected .Net interview question collections... net-informations.com/.../interview-questions.htm bona

• Anonymous
  March 15, 2014
  This collections are very useful to all. awesome. thank u so much ......

• Anonymous
  May 06, 2014
  Nice collection but reading is not much user friendly as need to click on every question ...anyways thanks for sharing though. :-) found one more link having selective advanced ques on asp.net and c# www.iminfo.in/.../asp-net-interview-questions-and-answers-for-experienced-developers-part-one

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  July 10, 2014
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  July 15, 2014
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• Anonymous
  March 24, 2015
  good.......

• Anonymous
  April 12, 2016
  Great list of questions! Although I think the navigation needs to be made a bit easier. Anyway, here's a few more I think you should consider adding to your list too:http://cc.davelozinski.com/general/tricky-csharp-and-sql-interview-questions_

• Anonymous
  May 15, 2017
  Thank u for ur useful information in asp. Net

• Anonymous
  February 14, 2018
  Very helpful and Great information,I appreciate advising especially coming from a professional.Thanks again and keep up the great work!These are the Important Interview Questions and Answers For ASP.Net.

• Anonymous
  November 20, 2018
  Nice collection but reading is not much user-friendly as the need to click on every question …anyways thanks for sharing though. Found one more link having selectively advanced ques on Dot net. Asp.net and c# etc..http://www.dotnettraininginchennai.net/