Core Java
Java is a programming language that is class based, object oriented and designed to have a few implementation dependencies. This class is very helpful for beginner to advanced Java developer.
Section 1: Introduction
Section 2: Programming Core Java
5. A Hello World Program
6. Using Variables
7. Strings: Working With Text
8. While Loops
9. For Loops
10. "If"
11. Getting User Input
12. Do ... While
13. Switch
14. Arrays
15. Arrays of Strings
16. Multi-Dimensional Arrays
17. Classes and Objects
18. Methods
19. Getters and Return Values
20. Method Parameters
21. Setters and "this"
22. Constructors
23. Static (and Final)
24. String Builder and String Formatting
25. The toString Method
26. Inheritance
27. Packages
28. Interfaces
29. Public, Private, Protected
30. Polymorphism
31. Encapsulation and the API Docs
32. Casting Numerical Values
33. Upcasting and Downcasting
34. Using Generics
35. Generics and Wildcards
36. Anonymous Classes
37. Reading Files Using Scanner
38. Handling Exceptions
39. Multiple Exceptions
40. Runtime vs. Checked Exceptions
41. Abstract Classes
42. Reading Files With File Reader
43. Try-With-Resources
44. Creating and Writing Text Files
45. The Equals Method
46. Inner Classes
47. Enum Types: Basic and Advanced Usage
48. Recursion: A Useful Trick Up Your Sleeve
49. Serialization: Saving Objects to Files
50. Serializing Arrays
51. The Transient Keyword and More Serialization
52. Passing by Value
6. Using Variables
7. Strings: Working With Text
8. While Loops
9. For Loops
10. "If"
11. Getting User Input
12. Do ... While
13. Switch
14. Arrays
15. Arrays of Strings
16. Multi-Dimensional Arrays
17. Classes and Objects
18. Methods
19. Getters and Return Values
20. Method Parameters
21. Setters and "this"
22. Constructors
23. Static (and Final)
24. String Builder and String Formatting
25. The toString Method
26. Inheritance
27. Packages
28. Interfaces
29. Public, Private, Protected
30. Polymorphism
31. Encapsulation and the API Docs
32. Casting Numerical Values
33. Upcasting and Downcasting
34. Using Generics
35. Generics and Wildcards
36. Anonymous Classes
37. Reading Files Using Scanner
38. Handling Exceptions
39. Multiple Exceptions
40. Runtime vs. Checked Exceptions
41. Abstract Classes
42. Reading Files With File Reader
43. Try-With-Resources
44. Creating and Writing Text Files
45. The Equals Method
46. Inner Classes
47. Enum Types: Basic and Advanced Usage
48. Recursion: A Useful Trick Up Your Sleeve
49. Serialization: Saving Objects to Files
50. Serializing Arrays
51. The Transient Keyword and More Serialization
52. Passing by Value
Section 3: The Java Collections Framework
53. ArrayList: Arrays the Easy Way
54. Linked Lists
55. HashMap: Retrieving Objects via a Key
56. Sorted Maps
57. Sets
58. Using Custom Objects in Sets and as Keys in Maps
59. Sorting Lists
60. Natural Ordering
61. Queues
62. Using Iterators
63. Implementing Iterable
64. Deciding Which Collection to Use
65. Complex Data Structures
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