2.0 Data types
2.1 Primitives
2.2 Numeric Bases
2.3 Expressions and Operators
2.4 Casting and promotion of primitive types

3.0 Variables and methods
3.1 Reserved words
3.2 Valid assignment
3.3 Variable scope
3.4 Method definition
3.5 Method parameters
3.6 Coding style

4.0 Strings
4.1 Creation
4.2 Concatenation
4.3 Methods
4.4 Immutability
4.5 StringBuffer
4.6 Formatting

5.0 Flow Control
5.1 Boolean operators
5.2 Comparing objects
5.3 If-else
5.4 Ternary operator
5.5 Loops
5.6 Nesting loops
5.7 Break and continue
5.8 And, not, or

7.0 Collections
7.1 Vector
7.2 The Object class
7.3 Wrapper classes
7.4 Auto boxing/unboxing
7.5 Hashtable
7.6 Enumerations
7.7 List, Map, Set
7.8 Iterator
7.9 Collection utilities
7.10 Generics

8.0 OOP
8.1 Objects and instances
8.2 Constructors
8.3 Access modifiers and encapsulation
8.4 Static and final members
8.5 Overloading methods
8.6 Inheritance
8.7 Overriding methods
8.8 Abstract classes
8.9 Polymorphism
8.10 Interfaces

9.0 Exception Handling
9.1 Checked vs. Unchecked exceptions
9.2 Throw/Try/Catch
9.3 Finally
9.4 Custom exceptions