Don't overcomplicate it.
- Build a Bank Account System to learn OOP, inheritance, and polymorphism done properly
- Build a Library Management System to practice CRUD, collections, and file persistence
- Build a TCP Chat App to understand sockets, threads, and blocking I/O streams
- Build a Task Scheduler to master executors, thread pools, and Java concurrency
- Build a Simple HTTP Server to work with raw sockets, request parsing, and response logic
- Build a Student Grade Tracker to use Java Streams, sorting, and functional-style pipelines
- Build an Inventory System with JDBC to learn database integration from first principles
- Build a Dependency Injection Container to go deep on reflection, generics, and annotations
The best way to learn Java? Projects. Not tutorials.
Best YouTube Channels To Learn:
Cybersecurity - John Hammond
Networking - David Bombal
Python - Code With Harry
React - Codevolution
UI/UX - GFXMentor
JavaScript - Traversy Media
Java - kunal kushwaha
DevOps - Techworld with Nana
Blockchain - Telusko
AI/ML- Krish Naik
Web Development - Traversy Media
AWS - Code With Harry
SQL - Programming With Mosh
DBMS - edureka
Instead of watching an hour of Netflix, watch this 2-hour Stanford lecture on AI careers. It will teach you more about winning in the AI race than all the AI content you’ve scrolled past this year.
Best YouTube Channels To Learn in 2026
1. Cybersecurity – John Hammond
2. Artificial Intelligence – Andrej Karpathy
3. AI Research Breakdown – Yannic Kilcher
4. Web Development – The Net Ninja
5. Python Programming – Corey Schafer
6. DevOps – TechWorld with Nana
7. Cloud Computing – AWS re:Invent
8. Data Analytics – Luke Barousse
9. System Design – Gaurav Sen
10. Databases – Hussein Nasser
11. Low-Level Programming – The Cherno
12. Linux – Learn Linux TV
13. Networking – David Bombal
14. Math for ML – 3Blue1Brown
Before going for a Java Microservices Interview, please make sure you understand below terms :
Service Registry
API Gateway
Circuit Breaker
Load Balancer
Event Bus / Message Broker
Sagas
CQRS (Command Query Responsibility Segregation)
Database per Service
Service Discovery
Distributed Tracing
HOW TO INTRODUCE YOURSELF IN A JOB INTERVIEW
In a job interview, your self-introduction should be clear, confident, and relevant to the position.
Here’s a basic structure to follow:
⸻
1. Greet and thank the interviewer:
���Good morning, and thank you for the opportunity to be here.”
2. State your name and current role or status:
“My name is [Your Name], and I’m currently a [Your Current Job Title] at [Company Name]”
Or, “I recently graduated with a degree in [Your Major] from [University Name].”
3. Give a quick professional background:
“I have [X] years of experience in [Your Industry or Field], where I’ve focused on [Key Skills or Responsibilities].”
4. Highlight key achievements or strengths:
“In my previous role, I led a project that [Brief Achievement], which helped improve [Result].”
5. Explain your interest in the role:
“I’m really excited about this opportunity because it aligns with my passion for [Field/Skill] and I see it as a great chance to grow and contribute to your team.”
No interview invitation in the last 5 weeks?
Let’s help you fix that CV and get you noticed. Email your CV to [email protected] with subject 'Revamp'.
LinkedIn is full of fake jobs?
Upwork is a race to the bottom.
Indeed is a ghost town.
I spent years stuck in the "Easy Apply" trap. 0 replies.
Then I switched.
1 week later: 2 Interviews with US-based startups.
Use these 10 platforms to find high-paying remote roles today:
Junior developer uses Controllers.
Middle and Senior developers use FastEndpoints, Minimal APIs, MediatR, CQRS, AutoMapper.
Architect uses Controllers again.
Why does this happen?
Because real-world projects benefit most from simple solutions.
Junior developers typically start by writing Controllers because they’re straightforward and easy to get started with.
Middle and Senior developers explore tools like FastEndpoints, Minimal APIs, MediatR, CQRS, and AutoMapper.
They see the advantages of cleaner separation, reduced boilerplate, and elegant solutions.
But when you reach the Architect level, you realize that simpler solutions often win.
Controllers, despite being "basic" and "boring" often provide the clarity and simplicity necessary for efficient development.
The key lesson:
➡️ Don't add complexity unless you really need it.
Small applications benefit using straightforward Controllers or Minimal APIs.
Medium-sized applications benefit from additional patterns like MediatR or CQRS for better organization.
Large systems might require Clean Architecture or Domain-Driven Design (DDD).
But always start simple.
You can add complexity later if the project really needs it. Until then, keep it clear, maintainable, and efficient.
Build step by step.
Focus on delivering business value, not complexity.
👉 Join 20,000+ software engineers who learn how to build software with .NET based on current needs and not the trends:
↳ https://t.co/VasClim3FP
♻️ Repost to help your network learn that business value and simplicity matter the most
➕ Follow me ( @AntonMartyniuk ) for more
If you want to get started with SYSTEM DESIGN, learn these 20 concepts (not kidding):
1 System Design Concepts
↳ https://t.co/Jqfyh7YfZn
2 Modular Monolith Architecture
↳ https://t.co/VVV6v3KGHJ
3 Redis Use Cases
↳ https://t.co/hZ571ruVeA
4 How RPC Works
↳ https://t.co/yeIgcmAxQx
5 How Message Queues Work
↳ https://t.co/bZjdqs8Py2
6 How JWT Works
↳ https://t.co/SZXXrlBsWH
7 How Does HTTPS Work
↳ https://t.co/r5rUtVpw0O
8 How Bloom Filters Work
↳ https://t.co/ntZXq7LxVn
9 How Consistent Hashing Works
↳ https://t.co/7d6EipPcKF
10 How Service Discovery Works
↳ https://t.co/BcL3tgxx1u
11 API Versioning - A Deep Dive
↳ https://t.co/OHAtKSUgVN
12 Microservices Lessons from Netflix
↳ https://t.co/XgS7VQoBFv
13 How Idempotent API Works
↳ https://t.co/afe7ACuSYE
14 Saga Design Pattern
↳ https://t.co/2CffTodOHL
15 Frontend System Design Concepts
↳ https://t.co/ViPOQrLZzA
16 How Databases Keep Passwords Securely
↳ https://t.co/KSfIhpAT2j
17 API Design Best Practices
↳ https://t.co/I2ejJ0kbYq
18 How DNS Works
↳ https://t.co/H7hcZnws8N
19 How Websockets Work
↳ https://t.co/JfT6mj4mrv
20 Distributed Systems 101
↳ https://t.co/yi0K5K5RIE
(What else should make this list?)
——
👋 PS - Want my System Design Playbook for FREE?
Click the link below to join my newsletter right now:
→ https://t.co/ByOFTtOihX
(200K+ software engineers have already signed up.)
———
💾 Save this for later & RT to help other software engineers master system design.
👤 Follow @systemdesignone + turn on notifications.
Best YouTube Channels To Learn in 2026
1. Artificial Intelligence - Two Minute Papers
2. Blockchain Development - Dapp University
3. Cloud Computing - AWS Developers
4. Cybersecurity - NetworkChuck
5. Data Analytics - Luke Barousse
6. DevOps - TechWorld with Nana
7. Digital Marketing - Brian Dean
8. Java Programming - Amigoscode
9. Networking - Jeremy's IT Lab
10. Personal Branding - Dan Koe
11. Python Programming - Corey Schafer
12. React Development - JavaScript Mastery
13. UI / UX Design - Jesse Showalter
14. Web Development - The Net Ninja