Introduction to Java

• Introduction of Java and its features
• Installing Java on Windows, Linux or MacOS
• Writing and understanding “Hello, world!” program in Java

Variables, Data Types, and Operators

• Primitive data types in Java
• Variables and constants in Java
• Arithmetic, assignment, comparison, and logical operators in Java

Control Flow and Decision Making

• Conditional statements in Java
• Looping constructs in Java
• Break and continue statements in Java

Arrays and Collections

• Single-dimensional and multi-dimensional arrays in Java
• ArrayList, LinkedList, HashMap, and other collection classes in Java
• Iterating and manipulating collections in Java

Object-Oriented Programming (OOP) concepts

• Classes, objects, and methods in Java
• Understanding encapsulation, inheritance, and polymorphism in Java
• Constructors and method overloading in Java

Exception Handling

• Handling and throwing exceptions in Java
• Try-catch-finally blocks in Java
• Custom exception classes in Java

Input and Output (I/O)

• Reading from file and writing to file in Java
• Using Standard Input-Output in Java

Strings and Regular Expressions

• String manipulation and String formatting in Java
• Regular expressions and pattern matching in Java

Java Generics

• Generic classes and methods in Java
• Type parameterization and type safety in Java

Java Collections Framework

• List, Set, Queue, and Map interfaces in Java
• Sorting and searching collections in Java
• Collection utilities (sorting, filtering, mapping) in Java

Java Streams API

• Understanding streams in Java
• Filtering, mapping, and reducing streams in Java
• Parallel streams and performance considerations in Java

Multithreading and Concurrency

• Creating and managing threads in Java
• Thread synchronization and locks in Java
• Concurrent data structures in Java

File I/O and Serialization

• Understanding Serialization and deserialization in Java
• Reading and writing serialized objects to file in Java

JDBC and Database Connectivity

• Connecting to databases in Java using JDBC
• Executing SQL queries and transactions in Java

Java APIs and some important libraries

• Working with date and time in Java
• Networking and socket programming in Java
• Working with JSON in Java
• Working with XML parsing in Java

Java Development Tools

• Integrated Development Environments (IDEs) for Java
• Introduction to build tools for Java
• Debugging and troubleshooting Java code

Best Practices and Coding Standards

• Writing clean and maintainable code in Java
• Naming conventions and coding style in Java
• Unit testing and test-driven development in Java