Java

About this course

Java powers enterprise systems, Android apps, and millions of backend services. This course covers the language core, object-oriented design, collections, and the JVM ecosystem so you can write robust, portable applications.

Curriculum

1. Java basics
   • JDK setup and tooling
   • Variables, types, and operators
   • Control flow and methods
2. Object-oriented Java
   • Classes and objects
   • Inheritance and polymorphism
   • Abstractions and interfaces
3. Collections and exceptions
   • Lists, sets, and maps
   • Exception handling and best practices
   • Generics and type safety
4. I/O, streams, and modern Java
   • File and stream I/O
   • Lambdas and streams
   • Records, sealed classes, and recent features
5. Building applications
   • Packaging and modules
   • Unit testing with JUnit
   • Introduction to Spring (optional)