The Complete Core Java Course : Learn to Code

Based on the outline provided, you are looking to cover a comprehensive set of Java topics that span from basic data structures and regular expressions to advanced concepts like working with file systems. Here's how you can structure your learning path:

1. Arrays in Java:

   • Understand the array as a fixed-size collection of elements (primitive types or objects).
   • Practice creating, accessing, and manipulating arrays.

2. Array Object in Java:

   • Learn how to use Object[] to hold references to any kind of object.

3. Enhanced For Loop for Array Iteration in Java:

   • Master the for-each loop for iterating over arrays.

4. Hands-on Exercises on Array in Java:

   • Apply your knowledge by solving problems involving arrays.

5. 2-Dimensional Arrays in Java:

   • Understand two-dimensional arrays and how they can be used to represent matrices or tables.

6. Hands-on Exercise on 2D Arrays in Java:

   • Solve practical problems using two-dimensional arrays.

7. Array of Object in Java:

   • Learn about multidimensional arrays that contain objects.

8. ArrayList in Java (ArrayList):

   • Understand the dynamic array implementation and its use cases.
   • Practice adding, removing, and accessing elements in an ArrayList.

9. Structure of ArrayList in Java:

   • Explore how ArrayList is internally managed.

10. Linked List in Java (LinkedList):

    • Understand the differences between ArrayList and LinkedList.
    • Practice using LinkedList for its specific advantages.

11. ArrayList vs LinkedList in Java:

    • Compare the two to understand when to use each type of list.

12. List Iterator in Java:

    • Learn how to iterate over lists using an Iterator.

13. Hash Set in Java:

    • Understand the set implementation and its advantages for unique item storage.

14. Linked Hash Set in Java:

    • Learn about a set that maintains insertion order.

15. Tree Set in Java:

    • Understand a set that is sorted by natural ordering.

16. Iterating Over Sets in Java:

    • Practice iterating over sets with different implementations.

17. Hash Map in Java:

    • Learn about the basic map implementation.

18. Tree Map in Java:

    • Understand how a tree maps maintains keys in sorted order.

19. Iterating Over Maps in Java:

    • Practice iterating over maps and extracting data.

20. Regular Expressions in Java:

    • Learn the syntax and usage of regular expressions.
    • Solve problems that require pattern matching or string validation.

21. Introduction to RegEx in Java:

    • Understand the basics of regular expressions.

22. Quantifiers, Character Classes, Groups, etc.:

    • Dive deeper into advanced regex patterns and their applications.

23. Working with File Systems:

    • Understand how to read from and write to files in Java.
    • Practice working with different file operations.

24. Assignments with Answer Keys:

    • Complete the provided assignments to solidify your understanding.

25. Exception Handling and Concurrency:

    • Learn how to handle exceptions and use concurrency features in Java.

26. Spring Framework and JPA:

    • Explore the basics of building web applications with Spring and data persistence with JPA.

27. Integration Testing and Mocking:

    • Understand how to write tests for your Java code, especially when dealing with complex dependencies.

28. Spring Boot:

    • Learn how to quickly develop and deploy scalable Java applications with Spring Boot.

29. Web Services with RESTful APIs:

    • Understand how to create web services using the Spring MVC framework.

30. Security Best Practices:

    • Ensure your code is secure against common vulnerabilities.

31. Spring Security:

    • Learn how to use Spring Security for securing applications.

32. Full Stack Development with Java:

    • Combine all the learned concepts to build a full-fledged application, ideally a RESTful API backed by a relational database.

Follow these steps, and you'll have a solid foundation in Java programming, data structures, and web development. Remember to practice regularly, as this will greatly enhance your understanding and ability to apply the concepts you learn.