Useful Links
1. Introduction to Java
2. Core Language Fundamentals
3. Object-Oriented Programming (OOP) in Java
4. Exception Handling
5. Java Collections Framework
6. Generics
7. Input/Output (I/O)
8. Concurrency and Multithreading
9. Modern Java Features (Java 8 and beyond)
10. Java Virtual Machine (JVM) Internals
11. Build Tools and Dependency Management
12. Testing in Java
13. Database Connectivity (JDBC)
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  2. Programming
  3. By Language

Java Programming

1. Introduction to Java
2. Core Language Fundamentals
3. Object-Oriented Programming (OOP) in Java
4. Exception Handling
5. Java Collections Framework
6. Generics
7. Input/Output (I/O)
8. Concurrency and Multithreading
9. Modern Java Features (Java 8 and beyond)
10. Java Virtual Machine (JVM) Internals
11. Build Tools and Dependency Management
12. Testing in Java
13. Database Connectivity (JDBC)
  1. Input/Output (I/O)
    1. The java.io Package
      1. Overview of I/O Classes
      2. Streams
        1. Concept of Streams
          1. Byte Streams
            1. InputStream
              1. OutputStream
                1. FileInputStream
                  1. FileOutputStream
                    1. BufferedInputStream
                      1. BufferedOutputStream
                      2. Character Streams
                        1. Reader
                          1. Writer
                            1. FileReader
                              1. FileWriter
                                1. BufferedReader
                                  1. BufferedWriter
                                2. The File Class
                                  1. Creating and Deleting Files
                                    1. File and Directory Operations
                                      1. File Properties and Methods
                                      2. Serialization
                                        1. The Serializable Interface
                                          1. Object Serialization Process
                                            1. ObjectInputStream
                                              1. ObjectOutputStream
                                                1. The transient Keyword
                                                  1. Custom Serialization
                                                  2. New I/O (NIO)
                                                    1. Overview of NIO
                                                      1. Buffers
                                                        1. Types of Buffers
                                                          1. Buffer Operations
                                                          2. Channels
                                                            1. FileChannel
                                                              1. SocketChannel
                                                                1. ServerSocketChannel
                                                                2. Selectors
                                                                  1. Multiplexing I/O
                                                                  2. The Path Interface
                                                                    1. The Files Utility Class

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                                                                  8. Concurrency and Multithreading

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