1. Primitive Types

2. Using Objects

3. Boolean Expressions and if Statements

3.1 Boolean Expressions

3.2 if Statements and Control Flow

3.3 if-else Statements

3.4 else if Statements

3.5 Compound Boolean Expressions

3.6 Equivalent Boolean Expressions

3.7 Comparing Objects

Comparing Objects with == and !=

Comparing Using .equals()

Comparing Strings

Comparing Rectangles

Null Test

Identify Aliases

Check Your Understanding

Exercise: Three Strings

4. Iteration

5. Writing Classes

6. Arrays

7. ArrayLists

8. 2D Arrays

9. Inheritance

10. Recursion