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C++ “Diamond Problem” of Multiple Inheritance
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Java
- If You Put System.exit(0) on Try or Catch block, Will Finally Block Execute?
- JVM platform dependent?
- Method overriding vs overloading
- Why have a private constructor
- Difference between object and class
- How copy constructors work
- Final modifier
- Finally block
- Java: Will Finally run after return?
- Java Protected Example
- Java serializable class example
- Multiple Inheritance
- How to Create a Thread in Java
- Interface vs. Abstract Class
- Thread States in Java
- Arithmetic Exception
- Overridden Method
- Dynamic Binding
- Can constructors be synchronized in Java?
- Does Java pass by reference or by value?
- Difference between a primitive type and a class type?
- Does Java have pointers?
- Downcasting in Java
- Java: Diamond Problem
- Java: Can an interface extend another interface?
- Java: Are objects of the same type as the interface implemented?
- Java: Can an interface be instantiated?
- Find First Nonrepeated Character
- Java: What’s the difference between equals() and ==?
- Find trailing zeros in factorial
- Java Reflection Example
- Bit Manipulation Interview Questions and Answers
- XOR in Java
- Java Inner Class Example
- When to use inner classes in Java
- Inner vs nested class
- Java Anonymous Class Example
- Anonymous Class Interface
- Argument Defined Anonymous Inner Class
C/C++
- Introduction
- Function Overloading
- How to Read Complex C Declarations
- C++ abstract keyword
- Pure Virtual Function
- Lvalues and Rvalues in C
- Inline vs. Macro
- Diamond Problem
- How Vtables Work
- Virtual Destructors
- Friend Classes in C++
- How do you call C functions from C++?
- What is a memory leak in C++?
- What is the difference between delete and delete[ ]?
- What’s the difference between a class variable and an instance variable?
- Can static function access non-static members of class?
- Execution order of constructor and destructor in inheritance
- Does C++ support multiple inheritance?
- Can you change the “this” pointer?
- Function Templates in C++ example
- C++: The compiler and function templates
- C++: Function template with more than one type parameter
- C++: #include ” ” vs. #include <>
- C++: Name Hiding
- C++ Ellipsis Catch Handler
- What happens if a thrown exception is not handled?
- C++ namespace example
- C++ const pointer examples
Databases/SQL
- SQL Interview Questions
- UNION vs. UNION ALL
- Inner vs. Outer joins
- SQL Key Definition
- Differences between Primary and Foreign Keys
- Natural Key In Database
- Secondary Key
- Simple key in SQL
- Superkey Example
- What is Referential Integrity
- Having vs. Where clause
- How do database indexes work?
- What is a self join?
- Example of DISTINCT in SQL
- Retrieve unique rows without DISTINCT
- Practice Interview Question 1
- Practice Interview Question 1 continued
- Practice Interview Question 1 continued
- Practice Interview Question 2
- Advanced SQL Interview Questions and Answers
- Advanced SQL Interview Questions and Answers Part 2
- Practice Interview Question 2 continued
- Data Mining vs. Data Warehousing
- Ternary/Three-valued Logic in SQL
- Find Maximum Value Without Using Aggregate
- SQL Injection Example and Tutorial
- SQL Injection Prevention
- Blind SQL Injection Example
- Parameterized Queries vs Prepared Statements
- Prepared Statement Example
- Difference between a full join and an inner join?
- Difference between a left outer join and right outer join?
- Difference between a left join and a left outer join?
- SQL: Having vs Group By
- SQL: Group By with multiple columns
- SQL – Select Distinct and Order By
- SQL – Order By default sort order
- Derived table vs subquery
- Correlated vs Uncorrelated Subquery
- Find nth highest salary – SQL
- Cardinality in SQL
- Selectivity in SQL Databases
- Cardinality versus Selectivity
- Clustered vs. Non Clustered Index
- Page versus block
- Database Locking
- Lock Escalation
- Database Deadlock Example
- What is a database transaction?
- SQL Server Transaction
- Oracle Transaction
- MySQL Transaction
- DB2 Transaction
- Concurrent Update Problem
- How to Tune Database Performance
- Database Full Table Scan
- What is cost based optimization?
- How to tune SQL queries
- SQL Index Performance
- What is a bitmap index?
- Oracle Indexes Examples
- System privileges vs. object privileges
- SQL Grant
- SQL Revoke
- SQL Create User
- Database Roles
- SQL CASE Statement
- SQL Searched CASE Statement
- SQL Inline View
- RANK() versus DENSE_RANK()
Javascript
- Javascript Interview Questions
- Javascript Outside the Browser
- JavaScript Strict Mode
- #"https://www.programmerinterview.com/javascript/how-to-print-a-javascript-object/">How to print a Javascript object
- #"https://www.programmerinterview.com/javascript/javascript-block-scope/">#"https://www.programmerinterview.com/javascript/javascript-function-scope/">Javascript Function Scope
- #"https://www.programmerinterview.com/javascript/what-is-javascript-minification/">What is Javascript minification?
- Minification vs Obfuscation
- Falsy values in Javascript
- Javascript Method Chaining
- Javascript Nested Function Example
- Javascript Global Object
- Wrapper Objects in Javascript
PHP
- Find a Client IP Address
- PHP Interview Questions
- Difference between == and === in PHP?
- How would you parse HTML in PHP?
- PHP: What are magic methods?
- PHP: Example of the __autoload function
- PHP: self vs $this
- PHP: self vs. static
- Find if string contains another string – php
- How to delete an element from an array in php?
- PHP toString
- Return JSON from PHP
- How to remove warnings in PHP?
- Advanced PHP Interview Questions And Answers
- Advanced PHP Interview Questions And Answers Part 2
- Advanced PHP Interview Questions And Answers Part 3
- How to return an array from a PHP function
- How to delete cookies in PHP
- PHP cookie versus session
- Can sessions work without cookies?
Data Structures
- Data Structure Interview Questions and Answers
- Big O Notation
- Big O versus Big Omega notations
- DFS vs. BFS
- Hash Tables versus Binary Search Trees
- How to find if a linked list is circular has a cycle or ends
- Preorder Traversal Algorithm
- Inorder Traversal
- Postorder Traversal
- Difference between stack and heap
- Find nth to last element in a linked list
- Delete a node in the middle of a singly linked list
- Reverse a linked list
Design Pattern Questions
- Design Pattern Interview Questions and Answers
- What Is GOF?
- Design Pattern Interview Question 1
- Design Pattern Interview Question Part 2
- Design Pattern Interview Question part 3
- Decorator pattern versus Inheritance
- Thread Safety in Singleton
Excel Interview Questions
- Excel Interview Questions
- Cut and paste versus copy and paste in Excel
- How to link cells in Excel
- Absolute references in Excel
- Excel Range Formula
- Excel Entire Column
- How to move an entire column in excel?
- How to add a dropdown list to Excel
HTML5
- HTML5 Interview Questions and Answers
- What is a CSS Box Model?
- History of HTML5
- Void elements HTML5
- New Features in HTML5 Forms
- HTML5 email form field
- HTML5 Polyfill Example
- What is a shiv in HTML5?
- HTML5 Video Codecs
- Containers versus codecs
- Codec Hardware Support
Networking
- Networking Interview Questions
- Why Use Mesh Topology for My Network?
- Baud rate vs bit rate
- What is a MAC address?
- What happens when you visit a website?
Operating Systems
- Operating System Interview Questions
- How Virtual Memory Works
- Paging and Page Faults
- Purpose of Swapping
- Thread vs. Process
- Swapping Versus Paging
- Vmware Fusion come with Windows?
- Does Parallels Desktop come with Windows?
- Monitors vs Semaphores
- Example of Threading and Synchronization
- User Threads vs. System Threads
Recursion
- Recursion Interview Questions
- Explanation of Recursion
- Can every recursive function be made iterative?
- Recursion Versus Iteration
- Permutations of A String
- Factorial Iterative and Non Recursive
- Find nth Fibonacci number
- Tail Recursion
- Tail Call Optimization
Apache Interview Questions
- Introduction
- Purpose of ASF’s DocumentRoot Directive
- Is a restart to Apache required after a change to .htaccess file?
- How to password protect a file in .htaccess
- How to disable password protection in .htaccess
- How to password protect a directory using .htaccess
- Directory directive in .htaccess
- Does .htaccess slow site down?
- What is an Apache module?
General/Miscellaneous
- Introduction
- What is Ascii?
- HTML GET vs. POST
- Black vs White Box Testing
- Postfix vs. Prefix
- Is String A Palindrome Function?
- CSS id vs. Class
- CSS Sprite Example
- Recursion Interview Question
- Is array access in Java expensive compared to C++?
- Java Method – Calculate Factorial
- Web vs. application server
- Why Manhole Covers Are Round
- Logarithm in HTML
- Exponents in HTML
- Less than sign in HTML
- Tracking Open Emails
- Tracking Opens Plain Text Emails
- Click tracking in emails
- How To Send an HTML email from Gmail
- Network Performance 2 Major Issues
- Symmetric vs. Public key Cryptography
- Why don’t C# and Java support multiple inheritance?
- FTP command to transfer a directory
- What’s the difference between a compiled and an interpreted language?
- Swap numbers without temp
- Find Max Without Comparison
- Find continuous sequence with largest sum
- URL Size Limit
- How to find the number of downloads for an app – iTunes
- How does iTunes rank apps?
- How to find your WordPress version
- Rank Sets in order of their intersections
Non-Technical Questions
- Introduction
- Why work here?
- Five years?
- Why leave?
Interviewing in India
- India – Introduction
- India – Recruiters
Working As a Software Engineer
- Working life – Big Company Part 1
- Working life – Big Company Part 2
Financial Analyst Questions
- Financial Analyst Interview Questions
- Financial Analyst interview questions and answers
- Financial Analyst interview Questions and Answers Part 2
Job Advice For Programmers
- How to Ace an Interview
- How to prepare for a software engineering interview
- Introduction
- Job Offer Negotiations
- Skype Interview Tips
- So You Want to Be a Programmer?
- Should my resume be only one page?
- Should I Expect Less Salary After Not Working
- Does how I dress matter in an interview?
- Does the Company I work for matter?
- Should I bring copies of my resume to an interview?
- Negotiating an offer for a new job
Puzzles
- Cutting a cake into 8 pieces
- Puzzles Interview Questions And Answers
- Minimum guesses to find a # from 1 to 1000
- three-switches-three-bulbs
- 100 Lockers Puzzle
- 8 Pennies Find Lightest 7 equal
- Measure weight of an elephant with no scale
- Measure 4 liters
- 25 horses 5 tracks 3 fastest puzzle
- Same national champion 65 year span
- Rope Bridge Puzzle Four People One Flashlight
- 8 marbles puzzle find heaviest
- 8 marbles riddle generalize solution
- 2 Fuses Problem Measure 45 Minutes
- Train Escape Puzzle 2 boys
- Prisoner Hat Riddle
- 2 Eggs 100 Floors Puzzle
- 3 Ants Triangle Puzzle
- Find number of squares chessboard
Assortment of Knowledge
- Introduction
- Web Listings Inc. Scam
- WordPress url http error
- FTP from Mac Terminal
- Mput to FTP from Mac Terminal
- Does websense block adsense?
- What country are Danish people from?
- What country are Dutch people from?
- Is Donald Trump a Republican?
- Is the Vatican in Rome?
- What is a “topper”?
- How does India feed all it’s people?
- Does India give foreign aid?
- Does Britain have a space program?
- Why is Blackberry also called Crackberry?
- Does Google return different results for phones?
- Can Google recognize faces?
- Can Facebook recognize faces?
- Does Google own Yelp?
- What countries have Yelp?
- Is Yelp in India?
- How to make a restricted call from a cell phone?
- Is Google auto-complete based on past queries?
- Does Yahoo use Bing?
- Does Yahoo use Google?
- Yahoo Google Antitrust
- What share does Mark Zuckerberg own of Facebook?
- Who is George Costanza based on?
- How to get the radio code for an Acura TSX?
- NBA Players that went broke
- How much is Zuckerberg worth?
- Do airlines x ray checked baggage?
- Do airlines charge for infants?
- Whats the difference between a nonstop and direct flight?
- Do airlines charge for car seats?
- Do Airplanes have power outlets?
- Do airlines charge for pets?
- Do airlines charge for wheelchairs?
- Does Prague use the Euro?
- Does the Czech Republic use the Euro?
- Does Switzerland use the Euro?
- How expensive is Switzerland?
- How expensive is Paris?
- Eiffel Tower Light Show
- How much does the Paris Metro cost for one ticket?
- Are there roads in Venice?
- Are Bank of America debit cards insured?
- Is Venice an island?
- Review of the Danubius Hotel in London, Regents Park
- Should you use your debit card when traveling?
- What is Bank Of America’s international phone number?
- What is the cost of a 5 day Oyster card pass in London’s underground tube?
- Where is the best place to exchange dollars to pounds in London?
- Do they give free tapas in Granada, Spain?
- Where is the best place to exchange money in Cordoba, Spain?
- Where is the best place to exchange money in Granada, Spain?
- Where is the best place to exchange money in Madrid, Spain?
- Review of the NH Victoria Hotel in Granada Spain
- How to get to Malaga from Granada
- How to get to Cordoba from Malaga
- Cheapest Airport Shuttle in Honolulu
- Cost of taxi Honolulu Airport to Waikiki
- How expensive is Honolulu?
- Is Terminal 1 at SFO International?
- Review of Iberia Flight 6275 from Madrid to Chicago
- Vegetarian food in Waikiki
- Dish Network Scam
- Fedex Stolen iPhone
- Fee for ending eBay auction early
- PayPal Email Scam Example
- Send email address through eBay
- How to connect Dish Network remote to a new TV?
- Do Tennis Players Get Paid for Davis Cup?
- What is a gazetted holiday?
American Vocabulary
- Introduction
- What is a pop quiz?
- What does back burner mean?
- What is a “pissing contest”?
- What does “let’s play it by ear” mean?
- Earns The Big Bucks?
- What does shady mean?
- It all boils down to?
- What is crunch time?
- Game Time Decision?
- Catch Off Guard?
- What is an alpha male?
- What is a hard stop?
- Take Conversation Off Line?
- What is hump day?
- Putting Lipstick On a Pig?
- Picking somebody’s brain?
- What is a pow wow?
- Pushing the Envelope?
- 6 to one half dozen to the other
- Reinvent the Wheel?
- What does “in a row” mean?
- What is a “stones throw away”?
- What is a red flag?
- What is a “fire drill”?
- Meaning of “where there’s smoke there’s fire”
- Meaning of “et al”
- Meaning of out of commission?
- Meaning of “fly by night”?
- What does “flight risk” mean?
- What does “catch wind” mean?
- What is a brain fart?
- What does “make a killing” mean?
- In tennis what’s a bagel?
- What is a “bounced check”?
- What does “shortchange” mean?
- What does it mean to “clock out”?
- What is shock value?
- What does “be the bigger man” mean?
- What does “rube” mean?
- What is “careerism”?
- What is a “haunt”?
- Meaning of “get feet wet”?
- Meaning of “changing of the guard”?
- What is a “hard copy”?
- What does “brush with death” mean?
- In tennis, what is a pusher?
- What does “OTE” mean in sales?
- What does “pay lip service” mean?
- What does “tip of the iceberg” mean?
- What is an advert?
- In the 11th hour meaning
- Gentleman’s C meaning
- Meaning of teetotalar
- Hala Madrid Meaning
- Make your mark meaning
- Shameless Plug Meaning
- Low Hanging Fruit Meaning
- Successism meaning
- See eye to eye meaning
- Rob Peter to Pay Paul meaning
- Case in point meaning
- Bait and Switch Meaning
- Pardon My French Meaning
- Throw him under the bus meaning
- Wrong line of work meaning
- My cue to leave meaning
- What is a buzzkill?
- Coined the Term Meaning
- Elephant in the room meaning
- Winging it meaning
- Touch and go meaning
- Hold my own meaning
- Throw a line meaning
- Skin in the game meaning
- Brain dump meaning
- He had the last laugh meaning
- Call it a night Meaning
- Speak off the cuff meaning
- He has a chip on his shoulder meaning
- Touch base meaning
- On the house meaning
- What are meeting minutes?
- What is a low life?
- What are brownie points?
- Show True Colors Meaning
- What does legit mean?
- Just a heads up meaning
- On the line meaning
- Cream of the Crop meaning
- Right as Rain Meaning
- Hat in hand meaning
- What is a cake eater?
- What is a second wind?
- Bush league move meaning
- Skating on thin ice meaning
- Last straw meaning
- At my wit’s end meaning
- At the end of my rope meaning
- At Large Meaning
- What is tunnel vision in slang?
- Do me a solid meaning
- In a pig’s eye meaning
- Wear emotions on sleeve meaning
- Keep plugging away definition
- He is toast meaning
- What is smart money?
- On the lam meaning
- Living large meaning
  - What is the Difference Between an Array and Linked List?
- Hold the fort down meaning
- Lay low meaning
- Over the hill meaning
- Out of the question meaning
- Runs a tight ship meaning
- Around the corner meaning
Technical Vocabulary
- Introduction
- What is a soft launch in software?
- What is a software generalist?
- What is a staging environment?
- What is deprecated code?
- What is syntactic sugar?
- What is a turnkey solution?
- What is a White hat hacker?
- What is web root?
- What is the LAMP stack?
- What is GoF in design patterns?
- What is a “hack” in software?
- What is hard coding in Java?
Science Questions
- Science Questions Introduction
- What is the longest earthquake ever?
- Are all volcanoes made of lava?
- Why do rivers wind?
- What makes rivers run?
- Does the Mississippi River form a delta?
- Do glaciers ever melt?
- What is an ephemeral river?
- What is the snout of a glacier?
- Are there any rivers in the desert?
- How much of the world’s land is covered by desert?
- Do Caves Last Forever?
- What are gallery caves?
- What is the world’s longest cave?
- What is the name for an expert on caves?
- Who first realized earth circles the sun?
- Why does the Moon look the same size as the Sun?
- How do rockets work in space?
- How many satellites are launched each year?
- Does Pentagon know where every satellite is?
- What planets have been visited by spacecrafts?
- What tree is the symbol of Canada?
- Why don’t all trees lose their leaves?
- Do all plants grow from seeds?
- Are fruits seeds?
- Are any vegetables also fruits?
- Why do flowers have pretty colors?
- Problems with the green revolution?
- What are the largest seeds?
- Do any flowers bloom for just a day?
- How many plants are edible?
- Has any woman ever run a 4 minute mile?
- Did women ever put deadly nightshade in their eyes?
- How can a willow tree cure a headache?
- Does Coca Cola come from same plant as cocaine?
- What plant has two different flowers?
- What trees make wood?
- What trees are used to make cricket bats?
- What is the world’s worst smelling flower?
- Is there a plant that eats frogs?
- What plant did the Egyptians use for writing?
- How do plants find water in the desert?
- How often does it rain in Chile’s Atacama desert?
- Is the snow pink in Antarctica?
- What frog makes arrows poisonous?
- Do reindeers really pull sleighs?
- What’s the difference between a moose and an elk?
- What’s the difference between a reindeer and a caribou?
- Why is a grizzly bear grizzly?
- Do wolves really howl at the moon?
- Do all penguins live in the Antarctic?
- What bird never sees the sunset?
- Do zebras neigh like horses?
- What’s the difference between a male lion and a female?
- Can crocodiles climb trees?
- Does a mother crocodile carry babies between her teeth?
- Are crocodiles like dinosaurs?
- What animal can jump the highest?
- Do vultures hunt?
- Difference between a buffalo and a bison?
- Who first wore trousers?
- Which parts of the body are most sensitive to heat?
- What country has the most arable land?
- How long can a cheetah run?

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C and C++ Interview Questions

Despite the explosive growth of Java in recent years, C and C++ are still widely used in various applications. For example, video games along with the finance industry are well known users of C/C++ to build their respective applications. But, unless the job you’re applying for specifically asks for C/C++ programming knowledge or experience, it’s unlikely that you will encounter any C or C++ questions in an interview.

Here are some C and C++ interview questions that were all asked in real interview situations. Read them carefully to get the most out of them.

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C and C++ Interview Questions