This is a tutorial on StringBuilder, StringBuffer (used for efficient appending of String) and some nifty string formatting of the kind encountered in every Java course, unveiling the mysteries of the infamous printf() method.

1. A Hello World Program
2. Using Variables
3. Strings (Working with text)
4. While Loops
5. For Loops
6. If
7. Getting User Input
8. Do ... While Loops
9. Switch
10. Arrays
11. Arrays of Strings
12. Multi-dimensional Arrays
13. Classes and Objects
14. Methods
15. Getters and Return Values
16. Method Parameters
17. Setters and 'this'
18. Constructors
19. Static (and Final)
20. StringBuilder and String Formatting
21. toString() and the Object class
22. Inheritance
23. Interfaces
24. Packages
25. Public, Private and Protected
26. Polymorphism
27. Encapsulation and the API Docs
28. Casting Numerical Values
29. Upcasting and Downcasting
30. Using Generics
31. Generics and Wildcards
32. Anonymous Classes
33. Reading Text Files
34. Handling Exceptions
35. Throwing Exceptions
36. Multiple Exceptions
37. Runtime Exceptions
38. Abstract Classes
39. Reading Files with FileReader
40. Java 7 Try With Resources
41. Writing Text Files
42. Equals
43. Inner Classes
44. Enum
45. Recursion
46. Serialization
47. Serializing Multiple Objects

A guide to Java programming for beginners. Get complete courses at http://courses.caveofprogramming.com