1.Class 1: Introduction to Java
1. Overview of Java: History, Features, and Uses
2. Setting up the Java development environment
3. Writing your first Java program (Hello World)
2.Class 2: Java Data Types and Variables
1. Primitive data types and variables
2. Type conversion and casting
3. Constants
3.Class 3: Control Flow Statements
1. If-else, switch-case, loops (for, while, do-while)
2. Break and continue statements
3. Nested loops
4.Class 4: Arrays in Java
1. Declaring, initializing, and using arrays
2. Multidimensional arrays
5.Class 5: Functions/Methods
1. Defining methods
2. Method overloading
3. Recursion and varargs

6.Class 6: Introduction to OOP Concepts
•Classes and objects, fields and methods
•Constructors and instance variables
7.Class 7: Encapsulation
•Access modifiers (private, public, etc.)
•Getters and setters
8.Class 8: Inheritance
•Superclass and subclass relationships
•Method overriding and the super keyword
9.Class 9: Polymorphism
•Method overloading and overriding
•Dynamic method dispatch
10.Class 10: Abstraction
•Abstract classes and interfaces
•Differences between abstract classes and interfaces

11.Class 11: Exception Handling Basics
11. Errors vs. exceptions, try-catch-finally blocks
12. Throwing and catching exceptions
12.Class 12: More on Exception Handling
11. Multiple exceptions, exception hierarchy
12. Custom exceptions
13.Class 13: Java Collections Framework – Introduction
11. List, Set, and Map interfaces
12. Introduction to ArrayList, LinkedList, HashSet, and HashMap
14.Class 14: Working with Lists
11. ArrayList and LinkedList operations
12. Sorting and iterating over lists
15.Class 15: Working with Sets
11. HashSet and TreeSet operations
12. Set uniqueness and iteration

16.Class 16: Working with Maps
16. HashMap, TreeMap, and LinkedHashMap
17. Iterating through maps using entrySet, keySet, and values
17.Class 17: More on Java Collections
16. Using the Collections utility class
17. Comparable and Comparator interfaces
18.Class 18: Introduction to Java Streams
16. Overview of Streams API
17. Stream operations (filter, map, collect)
19.Class 19: Working with Files – I/O Basics
16. File handling using FileReader and FileWriter
17. BufferedReader and BufferedWriter
20.Class 20: Advanced File Handling
16. Object serialization and deserialization
17. RandomAccessFile and handling binary files

21.Class 21: Multithreading Basics
21. Introduction to threads and Runnable interface
22. Thread lifecycle, states, and synchronization
22.Class 22: Advanced Multithreading
21. Thread communication (wait, notify)
22. Executors and thread pools
23.Class 23: Introduction to Java GUI (Swing)
21. Introduction to Swing components: JFrame, JButton, JLabel
22. Event handling with ActionListener
24.Class 24: More on Java GUI (Swing)
• Event handling with MouseListener and KeyListener
• Layout Managers (GridLayout, BoxLayout)
25.Class 25: Java Networking Basics
• Introduction to networking, TCP/IP model
• Sockets and server-client communication