Most popular technologies:

1. JavaScript
2. HTML/CSS
3. Python
4. SQL
5. TypeScript
6. Bash/Shell
7. Java
8. C#
9. C++
10. C
11. PHP
12. PowerShell
13. Go
14. Rust
15. Kotlin

*Source: Stack Overflow Developer Survey 2024

🏆 – Java Developer

Stage 1 – Java Basics (Syntax, Data Types, Variables)
Stage 2 – Object-Oriented Programming (OOP)
Stage 3 – Exception Handling
Stage 4 – Java Collections Framework
Stage 5 – File I/O
Stage 6 – Multithreading and Concurrency
Stage 7 – Java Streams and Lambda Expressions
Stage 8 – JDBC
Stage 9 – Servlets and JSP
Stage 10 – Spring Framework Basics
Stage 11 – Spring Boot
Stage 12 – RESTful APIs with Spring
Stage 13 – Testing
Stage 14 – Deployment
Stage 15 – Build projects

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List of most asked Programming Interview Questions.

Are you preparing for a coding interview? This tweet is for you. It contains a list of the most asked interview questions from each topic.

Arrays

- How is an array sorted using quicksort?
- How do you reverse an array?
- How do you remove duplicates from an array?
- How do you find the 2nd largest number in an unsorted integer array?

Linked Lists

- How do you find the length of a linked list?
- How do you reverse a linked list?
- How do you find the third node from the end?
- How are duplicate nodes removed in an unsorted linked list?

Strings

- How do you check if a string contains only digits?
- How can a given string be reversed?
- How do you find the first non-repeated character?
- How do you find duplicate characters in strings?

Binary Trees

- How are all leaves of a binary tree printed?
- How do you check if a tree is a binary search tree?
- How is a binary search tree implemented?
- Find the lowest common ancestor in a binary tree?

Graph

- How to detect a cycle in a directed graph?
- How to detect a cycle in an undirected graph?
- Find the total number of strongly connected components?
- Find whether a path exists between two nodes of a graph?
- Find the minimum number of swaps required to sort an array.

Dynamic Programming

1. Find the longest common subsequence?
2. Find the longest common substring?
3. Coin change problem?
4. Box stacking problem?
5. Count the number of ways to cover a distance?

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How to Learn Java in 2024

1. Set Clear Goals:
   - Define your learning objectives. Do you want to build web applications, mobile apps, or work on enterprise-level software?


2. Choose a Structured Learning Path:
   - Follow a structured learning path that covers the fundamentals of Java, object-oriented programming principles, and essential libraries.


3. Start with the Basics:
   - Begin with the core concepts of Java, such as variables, data types, operators, and control flow statements.


4. Master Object-Oriented Programming:
   - Learn about classes, objects, inheritance, polymorphism, and encapsulation.


5. Explore Java Libraries:
   - Familiarize yourself with commonly used Java libraries, such as those for input/output, networking, and data structures.


6. Practice Regularly:
   - Write code regularly to reinforce your understanding and identify areas where you need more practice.


7. Leverage Online Resources:
   - Utilize online courses, tutorials, and documentation to supplement your learning.


8. Join a Coding Community:
   - Engage with online coding communities and forums to ask questions, share knowledge, and collaborate on projects.


9. Build Projects:
   - Create simple projects to apply your skills and gain practical experience.


10. Stay Updated with Java Releases:
    - Keep up with the latest Java releases and updates to ensure your knowledge remains current.


11. Explore Frameworks and Tools:
    - Learn about popular Java frameworks and tools, such as Spring Boot, Maven, and IntelliJ IDEA.


12. Contribute to Open Source Projects:
    - Contribute to open source Java projects to gain real-world experience and showcase your skills.


13. Seek Feedback and Mentoring:
    - Seek feedback from experienced Java developers and consider mentorship opportunities to accelerate your learning.


14. Prepare for Certifications:
    - Consider pursuing Java certifications, such as the Oracle Certified Java Programmer (OCJP), to validate your skills.


15. Network with Java Developers:
    - Attend Java meetups, conferences, and online events to connect with other Java developers and learn from their experiences.

Java Resources: https://t.iss.one/Java_Programming_Notes

- MERN ⏭ MongoDB - Express - React - Node
- MEAN ⏭ MongoDB - Express - Angular - Node
- JAMstack ⏭ JavaScript - APIs - Markup
- VCS ⏭ version control system
- DBMS ⏭ database management system
- OOP ⏭ object oriented programming
- MVC ⏭ model - view - controller
- SSR ⏭ server side rendering
- SSG ⏭ static site generator
- ORM ⏭ object relational mapping