A comprehensive roadmap for learning the Java programming language, from beginner to advanced topics.
Set up your Java development environment, understand the core components, and write your first program.
Learn the fundamental syntax, variables, operators, and control flow structures of Java.
Understand the core principles of object-oriented programming: classes, objects, constructors, and methods.
Dive deeper into the pillars of Object-Oriented Programming: inheritance, polymorphism, abstraction, and encapsulation.
Work with fundamental data structures like strings and arrays, and use utility classes.
Learn to use the Java Collections Framework for dynamic data structures and write type-safe code with generics.
Learn to handle errors gracefully using exceptions and debug your applications.
Read from and write to files using classic I/O streams and the modern NIO.2 API.
Write programs that can perform multiple tasks simultaneously.
Master modern Java features including lambdas, streams, functional interfaces, and the new Date/Time API.
Learn to communicate over networks using sockets and perform HTTP requests.
Connect to and interact with relational databases using JDBC and get an introduction to ORM with Hibernate.
Build web applications using Servlets, JSP, and the powerful Spring Framework.
Learn essential tools for building, testing, versioning, and deploying Java applications.