
Java Backend Roadmap. The full guide to become a java… | By Vishnu | April 2025
The complete guide to become a Backend Java developer

7 hours ago
Java is one of the most important programming languages used in Backend development. A solid understanding of Java is crucial to succeed in this role. The roadmap below will guide you in control.
Learn these things (preferably) in the given order:
Âà core Java (beginner advanced)
– Types of data, variables and operators
– Control of declarations (if, for, while, switching)
– Roats and channels
– Object -oriented programming (OOP): inheritance, polymorphism,
Encapsulation, abstraction
“Exceptional management (labor exceptions, personalized exceptions)
“Management of collections: list, define, card, queue
– Generics and annotations
– Java 8+ characteristics:
Lambda expressions
API Stream
Functional interfaces
Optional
Date and time API
Âà Java Database Connectivity (JDBC)
– Configuration of a connection with databases
– CRUD operations
– prepared statements and calling declarations
– Connection pooling
SQL (database skills)
“Bases: create, select, insert, update, delete
“Advanced requests: joints, group by, having, subcquestrians
– Indexing and optimization
– Acid transactions and properties
– Design and standardization of the database
– Striped procedures and triggers
ž¤ JSP and SERVLETS (bases on the web)
– Bases of HTTP and Web servers
Application life cycle / response
“Session management (cookies, httpsession)
“Form management
– MVC architecture
Âà Spring Framework (Core Skills)
“Injection of dependence (DI) and inversion of control (CIO)
– “