Multi-threading and Concurrency
Creating and managing threads
Synchronization and thread communication
Concurrency utilities (Executors, Locks, etc.)
Java Networking
Basics of networking (TCP/IP, UDP)
Working with sockets
Building client-server applications
Database Connectivity (JDBC)
Introduction to JDBC
Connecting to databases
Performing CRUD operations
Lambda expressions and functional interfaces
Stream API
New Date and Time API
Spring Framework
Introduction to Spring and its modules
Building RESTful web services with Spring Boot
Testing, debugging, and deploying the application