Common Programming Interview Questions
How do you reverse a string?
How do you determine if a string is a palindrome?
How do you calculate the number of numerical digits in a string?
How do you find the count for the occurrence of a particular character in a string?
How do you find the non-matching characters in a string?
How do you find out if the two given strings are anagrams?
How do you calculate the number of vowels and consonants in a string?
How do you total all of the matching integer elements in an array?
How do you reverse an array?
How do you find the maximum element in an array?
How do you sort an array of integers in ascending order?
How do you print a Fibonacci sequence using recursion?
How do you calculate the sum of two integers?
How do you find the average of numbers in a list?
How do you check if an integer is even or odd?
How do you find the middle element of a linked list?
How do you remove a loop in a linked list?
How do you merge two sorted linked lists?
How do you implement binary search to find an element in a sorted array?
How do you print a binary tree in vertical order?
Conceptual Coding Interview Questions
What is a data structure?
What is an array?
What is a linked list?
What is the difference between an array and a linked list?
What is LIFO?
What is FIFO?
What is a stack?
What are binary trees?
What are binary search trees?
What is object-oriented programming?
What is the purpose of a loop in programming?
What is a conditional statement?
What is debugging?
What is recursion?
What are the differences between linear and non-linear data structures?
General Coding Interview Questions
What programming languages do you have experience working with?
Describe a time you faced a challenge in a project you were working on and how you overcame it.
Walk me through a project you’re currently or have recently worked on.
Give an example of a project you worked on where you had to learn a new programming language or technology. How did you go about learning it?
How do you ensure your code is readable by other developers?
What are your interests outside of programming?
How do you keep your skills sharp and up to date?
How do you collaborate on projects with non-technical team members?
Tell me about a time when you had to explain a complex technical concept to a non-technical team member.
How do you get started on a new coding project?
Best Programming Resources: https://topmate.io/coding/886839
Join for more: https://news.1rj.ru/str/programming_guide
ENJOY LEARNING 👍👍
How do you reverse a string?
How do you determine if a string is a palindrome?
How do you calculate the number of numerical digits in a string?
How do you find the count for the occurrence of a particular character in a string?
How do you find the non-matching characters in a string?
How do you find out if the two given strings are anagrams?
How do you calculate the number of vowels and consonants in a string?
How do you total all of the matching integer elements in an array?
How do you reverse an array?
How do you find the maximum element in an array?
How do you sort an array of integers in ascending order?
How do you print a Fibonacci sequence using recursion?
How do you calculate the sum of two integers?
How do you find the average of numbers in a list?
How do you check if an integer is even or odd?
How do you find the middle element of a linked list?
How do you remove a loop in a linked list?
How do you merge two sorted linked lists?
How do you implement binary search to find an element in a sorted array?
How do you print a binary tree in vertical order?
Conceptual Coding Interview Questions
What is a data structure?
What is an array?
What is a linked list?
What is the difference between an array and a linked list?
What is LIFO?
What is FIFO?
What is a stack?
What are binary trees?
What are binary search trees?
What is object-oriented programming?
What is the purpose of a loop in programming?
What is a conditional statement?
What is debugging?
What is recursion?
What are the differences between linear and non-linear data structures?
General Coding Interview Questions
What programming languages do you have experience working with?
Describe a time you faced a challenge in a project you were working on and how you overcame it.
Walk me through a project you’re currently or have recently worked on.
Give an example of a project you worked on where you had to learn a new programming language or technology. How did you go about learning it?
How do you ensure your code is readable by other developers?
What are your interests outside of programming?
How do you keep your skills sharp and up to date?
How do you collaborate on projects with non-technical team members?
Tell me about a time when you had to explain a complex technical concept to a non-technical team member.
How do you get started on a new coding project?
Best Programming Resources: https://topmate.io/coding/886839
Join for more: https://news.1rj.ru/str/programming_guide
ENJOY LEARNING 👍👍
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Top 5 Websites Every Developer Should Bookmark 🔖💡
1. DevDocs – All-in-one fast documentation ⚡️
2. CanIUse – Check browser support like a pro 🌍
3. Roadmap – Visual guides to grow your dev career 🗺️
4. JSONLint – Instantly validate & format JSON 🧹
5. Frontend Mentor – Practice real-world frontend challenges 🎯
React ❤️ for more like this
1. DevDocs – All-in-one fast documentation ⚡️
2. CanIUse – Check browser support like a pro 🌍
3. Roadmap – Visual guides to grow your dev career 🗺️
4. JSONLint – Instantly validate & format JSON 🧹
5. Frontend Mentor – Practice real-world frontend challenges 🎯
React ❤️ for more like this
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🖐 8 Super useful HTML tips & tricks that every Developer should know about
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Programming Languages & What They’re Really Good At
Python 🐍 – Data analysis, automation, AI/ML
Java ☕ – Android apps, enterprise software
JavaScript ⚡ – Interactive websites, full-stack apps
C++ ⚙️ – Game development, system-level software
C# 🎮 – Unity games, Windows apps
R 📊 – Statistical analysis, data visualization
Go 🚀 – Fast APIs, cloud-native apps
PHP 🐘 – WordPress, backend for websites
Swift 🍎 – iOS/macOS apps
Kotlin 📱 – Modern Android development
Python 🐍 – Data analysis, automation, AI/ML
Java ☕ – Android apps, enterprise software
JavaScript ⚡ – Interactive websites, full-stack apps
C++ ⚙️ – Game development, system-level software
C# 🎮 – Unity games, Windows apps
R 📊 – Statistical analysis, data visualization
Go 🚀 – Fast APIs, cloud-native apps
PHP 🐘 – WordPress, backend for websites
Swift 🍎 – iOS/macOS apps
Kotlin 📱 – Modern Android development
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Frontend web development:
https://www.w3schools.com/html
https://www.w3schools.com/css
https://www.jschallenger.com
https://javanoscript30.com
https://news.1rj.ru/str/webdevcoursefree/110
https://news.1rj.ru/str/Programming_experts/107
Backend development:
https://learnpython.org/
https://news.1rj.ru/str/pythondevelopersindia/314
https://www.geeksforgeeks.org/java/
https://introcs.cs.princeton.edu/java/11cheatsheet/
https://docs.microsoft.com/en-us/shows/beginners-series-to-nodejs/?languages=nodejs
Database:
https://mode.com/sql-tutorial/introduction-to-sql
https://www.sqltutorial.org/wp-content/uploads/2016/04/SQL-cheat-sheet.pdf
https://books.goalkicker.com/MySQLBook/MySQLNotesForProfessionals.pdf
https://docs.oracle.com/cd/B19306_01/server.102/b14200.pdf
https://leetcode.com/problemset/database/
Cloud Computing:
https://bit.ly/3aoxt1N
https://news.1rj.ru/str/free4unow_backup/366
UI/UX:
https://www.freecodecamp.org/learn/responsive-web-design/
https://bit.ly/3r6F9xE
ENJOY LEARNING 👍👍
https://www.w3schools.com/html
https://www.w3schools.com/css
https://www.jschallenger.com
https://javanoscript30.com
https://news.1rj.ru/str/webdevcoursefree/110
https://news.1rj.ru/str/Programming_experts/107
Backend development:
https://learnpython.org/
https://news.1rj.ru/str/pythondevelopersindia/314
https://www.geeksforgeeks.org/java/
https://introcs.cs.princeton.edu/java/11cheatsheet/
https://docs.microsoft.com/en-us/shows/beginners-series-to-nodejs/?languages=nodejs
Database:
https://mode.com/sql-tutorial/introduction-to-sql
https://www.sqltutorial.org/wp-content/uploads/2016/04/SQL-cheat-sheet.pdf
https://books.goalkicker.com/MySQLBook/MySQLNotesForProfessionals.pdf
https://docs.oracle.com/cd/B19306_01/server.102/b14200.pdf
https://leetcode.com/problemset/database/
Cloud Computing:
https://bit.ly/3aoxt1N
https://news.1rj.ru/str/free4unow_backup/366
UI/UX:
https://www.freecodecamp.org/learn/responsive-web-design/
https://bit.ly/3r6F9xE
ENJOY LEARNING 👍👍
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🔥 Top SQL Projects for Data Analytics 🚀
If you're preparing for a Data Analyst role or looking to level up your SQL skills, working on real-world projects is the best way to learn!
Here are some must-do SQL projects to strengthen your portfolio. 👇
🟢 Beginner-Friendly SQL Projects (Great for Learning Basics)
✅ Employee Database Management – Build and query HR data 📊
✅ Library Book Tracking – Create a database for book loans and returns
✅ Student Grading System – Analyze student performance data
✅ Retail Point-of-Sale System – Work with sales and transactions 💰
✅ Hotel Booking System – Manage customer bookings and check-ins 🏨
🟡 Intermediate SQL Projects (For Stronger Querying & Analysis)
⚡ E-commerce Order Management – Analyze order trends & customer data 🛒
⚡ Sales Performance Analysis – Work with revenue, profit margins & KPIs 📈
⚡ Inventory Control System – Optimize stock tracking 📦
⚡ Real Estate Listings – Manage and analyze property data 🏡
⚡ Movie Rating System – Analyze user reviews & trends 🎬
🔵 Advanced SQL Projects (For Business-Level Analytics)
🔹 Social Media Analytics – Track user engagement & content trends
🔹 Insurance Claim Management – Fraud detection & risk assessment
🔹 Customer Feedback Analysis – Perform sentiment analysis on reviews ⭐
🔹 Freelance Job Platform – Match freelancers with project opportunities
🔹 Pharmacy Inventory System – Optimize stock levels & prenoscriptions
🔴 Expert-Level SQL Projects (For Data-Driven Decision Making)
🔥 Music Streaming Analysis – Study user behavior & song trends 🎶
🔥 Healthcare Prenoscription Tracking – Identify patterns in medicine usage
🔥 Employee Shift Scheduling – Optimize workforce efficiency ⏳
🔥 Warehouse Stock Control – Manage supply chain data efficiently
🔥 Online Auction System – Analyze bidding patterns & sales performance 🛍️
🔗 Pro Tip: If you're applying for Data Analyst roles, pick 3-4 projects, clean the data, and create interactive dashboards using Power BI/Tableau to showcase insights!
React with ♥️ if you want detailed explanation of each project
Share with credits: 👇 https://news.1rj.ru/str/sqlspecialist
Hope it helps :)
If you're preparing for a Data Analyst role or looking to level up your SQL skills, working on real-world projects is the best way to learn!
Here are some must-do SQL projects to strengthen your portfolio. 👇
🟢 Beginner-Friendly SQL Projects (Great for Learning Basics)
✅ Employee Database Management – Build and query HR data 📊
✅ Library Book Tracking – Create a database for book loans and returns
✅ Student Grading System – Analyze student performance data
✅ Retail Point-of-Sale System – Work with sales and transactions 💰
✅ Hotel Booking System – Manage customer bookings and check-ins 🏨
🟡 Intermediate SQL Projects (For Stronger Querying & Analysis)
⚡ E-commerce Order Management – Analyze order trends & customer data 🛒
⚡ Sales Performance Analysis – Work with revenue, profit margins & KPIs 📈
⚡ Inventory Control System – Optimize stock tracking 📦
⚡ Real Estate Listings – Manage and analyze property data 🏡
⚡ Movie Rating System – Analyze user reviews & trends 🎬
🔵 Advanced SQL Projects (For Business-Level Analytics)
🔹 Social Media Analytics – Track user engagement & content trends
🔹 Insurance Claim Management – Fraud detection & risk assessment
🔹 Customer Feedback Analysis – Perform sentiment analysis on reviews ⭐
🔹 Freelance Job Platform – Match freelancers with project opportunities
🔹 Pharmacy Inventory System – Optimize stock levels & prenoscriptions
🔴 Expert-Level SQL Projects (For Data-Driven Decision Making)
🔥 Music Streaming Analysis – Study user behavior & song trends 🎶
🔥 Healthcare Prenoscription Tracking – Identify patterns in medicine usage
🔥 Employee Shift Scheduling – Optimize workforce efficiency ⏳
🔥 Warehouse Stock Control – Manage supply chain data efficiently
🔥 Online Auction System – Analyze bidding patterns & sales performance 🛍️
🔗 Pro Tip: If you're applying for Data Analyst roles, pick 3-4 projects, clean the data, and create interactive dashboards using Power BI/Tableau to showcase insights!
React with ♥️ if you want detailed explanation of each project
Share with credits: 👇 https://news.1rj.ru/str/sqlspecialist
Hope it helps :)
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🔰 C++ Roadmap for Beginners 2025
├── 🧠 Introduction to C++ & How It Works
├── 🧰 Setting Up Environment (IDE, Compiler)
├── 📝 Basic Syntax & Structure
├── 🔢 Variables, Data Types & Constants
├── ➕ Operators (Arithmetic, Relational, Logical, Bitwise)
├── 🔁 Flow Control (if, else, switch)
├── 🔄 Loops (for, while, do...while)
├── 🧩 Functions (Declaration, Definition, Recursion)
├── 📦 Arrays, Strings & Vectors
├── 🧱 Pointers & References
├── 🧮 Dynamic Memory Allocation (new, delete)
├── 🏗 Structures & Unions
├── 🏛 Object-Oriented Programming (Classes, Objects, Inheritance, Polymorphism)
├── 📂 File Handling in C++
├── ⚠️ Exception Handling
├── 🧠 STL (Standard Template Library - vector, map, set, etc.)
├── 🧪 Mini Projects (Bank System, Student Record, etc.)
Like for the detailed explanation ❤️
#c #programming
├── 🧠 Introduction to C++ & How It Works
├── 🧰 Setting Up Environment (IDE, Compiler)
├── 📝 Basic Syntax & Structure
├── 🔢 Variables, Data Types & Constants
├── ➕ Operators (Arithmetic, Relational, Logical, Bitwise)
├── 🔁 Flow Control (if, else, switch)
├── 🔄 Loops (for, while, do...while)
├── 🧩 Functions (Declaration, Definition, Recursion)
├── 📦 Arrays, Strings & Vectors
├── 🧱 Pointers & References
├── 🧮 Dynamic Memory Allocation (new, delete)
├── 🏗 Structures & Unions
├── 🏛 Object-Oriented Programming (Classes, Objects, Inheritance, Polymorphism)
├── 📂 File Handling in C++
├── ⚠️ Exception Handling
├── 🧠 STL (Standard Template Library - vector, map, set, etc.)
├── 🧪 Mini Projects (Bank System, Student Record, etc.)
Like for the detailed explanation ❤️
#c #programming
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