Want to become a Java Developer in 2025?

Описание: Follow this step-by-step guide to master Java development from basic to advanced level

1. Core Java (Beginner to Advanced)
Fundamentals: data types, variables, operators
Control flow: if, for, while, switch
Collections: list, set, map, queue
Object-Oriented Programming: inheritance, polymorphism, encapsulation, abstraction
Exception handling: try-catch-finally, custom exceptions Java 8+ features: lambda expressions, Stream API, optional, date and time API

2. Java Database Connectivity (JDBC)
Connecting with databases
CRUD operations
Prepared and callable statements
Connection pooling

3. SQL (Database Skills)
Basics: create, select, insert, update, delete Advanced: joins, group by, subqueries, indexing, optimization
Transactions: ACID properties, stored procedures, triggers

4. JSP and Servlets (Web Basics)
Basics of HTTP and request-response lifecycle Session management: cookies, HttpSession Form handling and MVC architecture

5. Spring Framework
Dependency injection and inversion of control Spring MVC architecture
Spring security: authentication and authorization
Aspect-oriented programming

6. Hibernate (ORM Skills)
Object-relational mapping basics
Entity mapping: one-to-one, one-to-many, many-to-many
Hibernate query language
Caching and optimization

7. Spring Boot (Advanced Skills)
RESTful web services
Microservices architecture
Spring boot starters and Spring Data JPA Spring Cloud for distributed systems
Application monitoring with Actuator

8. Build Tools and Version Control
Build tools: Maven, Gradle
Version control: Git
Collaborative tools: GitHub, GitLab, Bitbucket

9. DevOps Basics
Docker: containerizing Java applications
Kubernetes: orchestrating containers
Jenkins: CI/CD workflows

10. Cloud Platforms
AWS fundamentals: EC2, S3, RDS, CloudWatch
Optionally explore Google Cloud or Microsoft Azure