COMP 132 • Midterm • Advanced Programming

What we're doing in advanced programming

Variables -1

Variables -2

Conditional Statements -1

Conditional Statements -2

Loops -1

Loops -2

Methods -1

Methods -2

Java Class Design Basics: Building Your First Class Step by Step

Eclipse Demo: Build & Run Your First Account Class

Constructors to Console

Demo: Quick Run: Constructor Validation + Deposits in Console

Java Types: Defaults & Scanner

Quick Run: Types + Defaults + Scanner Trap

Control structures: sequence, selection, iteration

Selection: if, if-else, else-if

Iteration: while

Demo: Student Class (Selection + Validation + Driver)

Structured Programming recap

For Loop

For vs While

Rewrite code

Expressions in For

Example: Sum of even numbers

Example: Compound interest

Do-While Loop

Infinite loop: why it happens

EOF + Scanner.hasNext()

Switch

break vs continue

Logical operators

Why Methods?

Math Class

Method Parameters & Return

Return Value

Nested Method Calls & Local Variables

Three Ways to Call a Method

Three Ways to Return

Static vs Instance Access

Dice Simulation (Frequencies)

Scope & Shadowing

Scope in Action & Method Overloading

Method Call Stack & Stack Overflow

Arrays Fundamentals: Creation, Indexing, and Core Patterns

Fill + Print (1..10)

Off-by-One Trap

Grades Stats (sum, average, max, passed)

Bar Chart (stars)

Frequency Arrays and Exception Handling

Arrays of Objects and Enhanced for

Passing Arrays to Methods

Multidimensional Arrays

2D Arrays in Practice: GradeBook Case Study

Varargs & Command-Line Args

Arrays Utilities

Collections: ArrayList

Insert Sorted

Merging Arrays

Min/Max Grades

Encapsulation, Validation (Exceptions) and private Access

this

Constructors, Overloading and Composition

static (Class Variables/Methods), static import, and final Constants

Enum Types and EnumSet

Garbage Collection and Resource Leaks

Source Files, Multiple Classes, and Package Access

BigDecimal for Money: Precision, Rounding, setScale, and NumberFormat

Inheritance Foundations

Single Inheritance

What Can a Subclass Access?

Overriding

Constructors in Inheritance and Overriding

The Copy Paste Problem

Protected/Private in Subclass/Superclass

Constructor Chain & The Object Class

Inheritance vs. Composition

What is Polymorphism?

Dynamic Binding and Extensibility

Abstract Class

Interface

Polymorphism with Interface

Interface vs. Abstract Class

Java 8: Default and Static Interface Methods

Functional Interface, SAM and Private Methods

Implementation vs Interface Inheritance

Composition + Interface

Private Constructor and Factory Method

Summary

Collections

Type-Wrapper Classes and Autoboxing

ArrayList and Collection Interface

Iterator

LinkedList and ListIterator

Collections Utility Methods

Custom Comparator

Collection Methods: reverse, fill, copy, min, max

Collections Methods: binarySearch, addAll, frequency, disjoint

PriorityQueue and Queue Interface

Sets: HashSet and TreeSet

Maps: HashMap and TreeMap

Synchronized and Unmodifiable Collections

Java 9: Immutable Collection Factory Methods

Class Implementation True/False

For Loop Program Output

Array Reference & Method Call

Method Overloading

While Loop Track

How Many Student Objects?

Find the Errors

Constructors 1

Constructors 2

Constructors 3

Constructors 4

ArrayList 1

ArrayList 2

ArrayList 3

Inheritance 1

Inheritance 2

Inheritance 3

Inheritance 4

Inheritance 5

Inheritance 6

Polymorphism 1

Polymorphism 2

Abstract Classes and Interfaces 1

Abstract Classes and Interfaces 2

Abstract Classes and Interfaces 3

Abstract Classes and Interfaces 4

Abstract Classes and Interfaces 5

True / False + justify briefly

Write a class

Driver class / object creation / Scanner

Instance field vs Static field

Arrays / code writing

2D arrays / short code

Control statements / output prediction