Topics:

• Need for Collections

• List, Set, Map Interfaces

• ArrayList, LinkedList, HashSet, TreeSet

• HashMap, TreeMap, LinkedHashMap

• Iterator & ListIterator

• Comparable vs Comparator

• Queue, PriorityQueue, Stack, Deque

• Best Practices and Performance

Topics:

• Thread Lifecycle

• Creating Threads (Thread class & Runnable interface)

• Thread Methods: sleep(), join(), yield()

• Synchronization & Locks

• Inter-thread Communication (wait/notify)

• Executor Framework

• Thread Pool

• Deadlock & Prevention

• Concurrency Utilities (Semaphore, CountDownLatch, etc.)

Topics:

• JDBC Introduction & Architecture

• Connecting Java to MySQL/PostgreSQL

• CRUD Operations with JDBC

• PreparedStatement vs Statement

• Connection Pooling

• Transactions in JDBC

• Basic ORM Concept (Optional)

Topics:

• Introduction to Lambda Expressions

• Functional Interfaces (Predicate, Function, Consumer, etc.)

• Method References

• Stream API (filter, map, reduce, collect, etc.)

• Optional Class

• Best Practices with Functional Programming

Topics:

• Java I/O Streams (InputStream, OutputStream, Reader, Writer)

• Buffered I/O

• Object Serialization & Deserialization

• DataInputStream/DataOutputStream

• NIO Package (Channels, Buffers, Paths)

Topics:

• Understanding Cryptography Basics in Java

• Hashing (MD5, SHA)

• Encryption (AES)

• Digital Signatures

• Java Keystore (JKS) Basics

Projects:

• Console App: Student Management System

• Banking App: With file storage or JDBC

• Chat App (with multithreading + sockets)

• To-Do App using Java + MySQL

• Library Management System