Java Basics every beginner should learn to build a strong foundation:

1. Hello World & Setup

Install JDK and an IDE (like IntelliJ or Eclipse)

Write your first program: public class HelloWorld

2. Data Types & Variables

Primitive types: int, double, char, boolean

Non-primitive types: String, Arrays, Objects

Type casting (implicit & explicit)

3. Operators

Arithmetic: + - * / %

Comparison: == != > < >= <=

Logical: && || !

4. Control Flow

If, else if, else

Switch-case

Loops: for, while, do-while

break and continue

5. Functions (Methods)

Syntax: public static returnType methodName(params)

Method overloading

Return types & parameter passing

6. Object-Oriented Programming (OOP)

Classes & Objects

this keyword

Constructors (default & parameterized)

7. OOP Concepts

Encapsulation (private variables + getters/setters)

Inheritance (extends keyword)

Polymorphism (method overriding)

Abstraction (abstract classes & interfaces)

8. Arrays & ArrayList

Declaring and iterating arrays

ArrayList methods: add, remove, get, size

Multidimensional arrays

9. Exception Handling

Try-catch-finally blocks

throw and throws

Custom exceptions

10. Basic Input/Output

Scanner class for user input

System.out.println() for output

Free Java Resources: https://whatsapp.com/channel/0029VamdH5mHAdNMHMSBwg1s

ENJOY LEARNING 👍👍

Web Development Summarised ☝️

🔰 Backend Development Roadmap 2025
├── 🧠 Understanding Client-Server Architecture
├── ⚙️ HTTP, HTTPS, REST, and WebSockets
├── 🗄️ Databases (SQL vs NoSQL)
├── 🔐 Authentication & Authorization (Sessions, Tokens, OAuth)
├── 🧩 Building RESTful APIs
├── 📦 Caching (Redis, CDN concepts)
├── 🔁 Background Jobs & Queues (e.g., BullMQ, Celery)
├── 🧪 Mini Project: URL Shortener Service
├── 🛠 API Rate Limiting, Pagination, Filtering
├── 🧪 Mini Project: File Upload API with Role-Based Access
├── 🧱 Design Patterns in Backend (Factory, Singleton, Middleware)
├── 🧪 Mini Project: E-commerce Backend (Cart + Orders + Auth)
├── ⚖️ Load Balancing & Scalability Concepts
├── 📜 API Documentation (Swagger, Postman)
├── ☁️ Deployment (CI/CD, Docker, Cloud Basics)

Web Development Resources: https://whatsapp.com/channel/0029VaiSdWu4NVis9yNEE72z

Like it if you need a complete tutorial on all these topics! 👍❤️

✌️ 25 Javascript Path Files Used To Store Sensitive Information In Web Application:-

1️⃣ /js/config.js
2️⃣ /js/credentials.js
3️⃣ /js/secrets.js
4️⃣ /js/keys.js
5️⃣ /js/password.js
6️⃣ /js/api_keys.js
7️⃣/js/auth_tokens.js
8️⃣/js/access_tokens.js
9️⃣/js/sessions.js

♾

1️⃣ /js/authorization.js
2️⃣ /js/encryption.js
3️⃣ /js/certificates.js
4️⃣ /js/ssl_keys.js
5️⃣ /js/passphrases.js
6️⃣ /js/policies.js
7️⃣ /js/permissions.js
8️⃣ /js/privileges.js
9️⃣ /js/hashes.js

♾

1️⃣ /js/salts.js
2️⃣ /js/nonces.js
3️⃣ js/signatures.js
4️⃣ js/digests.js
5️⃣ js/tokens.js
6️⃣ js/cookies.js
7️⃣ /js/topsecr3tdonotlook.js