CSAwesome2 Notes

• Syllabus
• CSAwesome2 online curriculum
• Java Quick Reference
• AP Scoring Guidelines
• Setting up a Local Java Environment

1 Using Objects and Methods

• Introduction to Algorithms, Programming, and Compilers
• Variables and Data Types
• Expressions and Output
• Assignment and Input
• Casting and Ranges of Values
• Compound Assignment Operators
• APIs and Libraries
• Documentation with Comments and Preconditions
• Method Signatures
• Calling Class Methods
• Using the Math Class
• Objects - Instances of Classes
• Creating and Initializing Objects: Constructors
• Calling Instance Methods
• Strings

2 Selection and Iteration

• Algorithms with Selection and Repetition
• Boolean Expressions
• if Statements
• Nested if Statements
• Compound Boolean Expressions
• Comparing Boolean Expressions (De Morgan’s Laws)
• While Loops
• For Loops
• Implementing Selection and Iteration Algorithms
• Implementing String Algorithms
• Nested Iteration
• Informal Runtime Analysis of Loops

3 Class Creation

• Abstraction and Program Design
• Impact of Program Design
• Anatomy of a Java Class
• Writing Constructors
• Methods: How to Write Them
• Methods: Passing and Returning References of an Object
• Class (static) Variables and Methods
• Scope and Access
• this Keyword

4 Data Collections

• Ethical and Social Issues Around Data Collection
• Data Sets
• Array Creation and Access
• Array Traversals
• Implementing Array Algorithms
• Using Text Files
• Wrapper Classes - Integer and Double
• ArrayList and its Methods
• ArrayList Traversals
• Implementing ArrayList Algorithms
• 2D Array Creation and Access
• 2D Array Traversals: Nested Loops
• Implementing 2D Array Algorithms
• Searching Algorithms
• Sorting Algorithms
• Recursion
• Recursive Searching and Sorting