Java Full Stack

2.1 Data Types in Java
2.2 Variables and Constants
2.3 Type Casting (Implicit & Explicit)
2.4 Operators in Java (Arithmetic, Logical, Relational, Bitwise, Assignment, etc.)
2.5 Input & Output (Scanner, Buffered Reader)
2.6 Comments in Java and Their Uses

3.1 Decision Making (if, if-else, nested if, switch-case)
3.2 Looping (for, while, do-while)
3.3 Jump Statements (break, continue)
3.4 Enhanced for loop

4.1 Understanding Classes and Objects
4.2 Methods and Constructors in Java
4.3 this and super Keywords
4.4 Inheritance (Single, Multilevel, Hierarchical, Multiple using Interface)
4.5 Method Overloading and Overriding
4.6 Polymorphism (Compile-time & Runtime)
4.7 Encapsulation and Abstraction (Abstract Classes & Interfaces)
4.8 Static and Non-Static Members
4.9 Final Keyword and Its Uses
4.10 Garbage Collection and Memory Management in Java

5.1 Creating Strings and String Manipulation
5.2 Important String Methods
5.3 String Comparison Techniques
5.4 String Buffer & StringBuilder

6.1 One-Dimensional & Multi-Dimensional Arrays
6.2 Array List, LinkedList
6.3 HashSet, Tree Set
6.4 HashMap, Linked HashMap, Tree Map
6.5 Queue, Stack, and Deque

7.1 Introduction to Exceptions in Java
7.2 Try, Catch, and Finally Blocks
7.3 Handling Multiple Exceptions
7.4 Throw & Throws
7.5 Creating User-Defined Exceptions

8.1 Working with File Reader & File Writer
8.2 Buffered Reader & Buffered Writer
8.3 File Input Stream & File Output Stream
8.4 Serialization and Deserialization in Java

9.1 Understanding Thread Lifecycle
9.2 Creating Threads (Extending Thread & Implementing Runnable)
9.3 Thread Synchronization
9.4 Inter-Thread Communication
9.5 Executor Framework

10.1 Introduction to JDBC
10.2 Connecting to Databases
10.3 Performing CRUD Operations in JDBC
10.4 Using Prepared Statements
10.5 Transactions in JDBC

11.1 Introduction to AWT & Swing
11.2 Components in Java GUI (Buttons, Text Fields, Labels, etc.)
11.3 Event Handling in Java
11.4 Layout Managers

12.1 Understanding Socket Programming
12.2 Working with URL and Http URL Connection

13.1 Understanding Lambda Expressions
13.2 Working with Streams API
13.3 Functional Interfaces in Java
13.4 Reflection API
13.5 Key Java 8+ Features