Week 14

Reviewed/Covered Topics: Lambda, Stream, and Reflection

• Lambda function/expression and its use cases
• JAVA Stream API and examples
• A touch on JAVA Reflection API and related applications

Week 13

Reviewed/Covered Topics: JAVA Collections

• JAVA Collections: theory
• Examples of all Collection concepts:
  • Collection
  • List: ArrayList, Linked List
  • Set: HashSet
  • Map: HashMap
  • Iterable/Iterator
  • Comparable /Comparator

Week 12:

Reviewed/Covered Topics: JAVA Networking

• Basic networking theory
• Socket
• REST API
• Examples:
  • Multi-threaded server
  • JAVA Client

Week 11

Reviewed/Covered Topics: Threads and Parallel processing (next)

• Homework 11 clarification
• Review on thread theory:
  • Deadlock
  • Race Condition
  • Mutual Exclusion
• join
• synchronize:
  • Class synchronization: synchronizing static method and block synchronization of class
  • Object synchronization: synchronizing instance method and block synchronization of object
• Thread pool
• Thread cooperation: monitor, wait, notify
• Producer consumer paradigm and examples
• All concept includes examples

Week 10

Reviewed/Covered Topics: Threads and Parallel processing

• Theory on Threads
  • Thread life cycle
  • Deadlock
  • contention and starvation
• join
• Shared Variables/Resources. Race Condition. Mutual Exclusion
  • How to prevent:
    • Use lock
    • Use atomic operation
• synchronize
• Thread cooperation: monitor, wait, notify

Week 9

Reviewed/Covered Topics: IO Streams

• IO Streams are a core concept in Java IO
• Files
  • Pipes (threads)
  • Network Connection
  • In-memory Buffers (e.g. arrays)
  • Standard Streams (keyboard input, terminal output)
• Random access
• java.io package
• Serialization

Week 8

Reviewed/Covered Topics: Generics and Exceptions

• Recap on generics:
  • Bounded Type Parameters: upper bound, lower bound
  • Multiple Bounds
  • Wildcards
  • Type Erasure
  • Resources on Generics
• Exceptions
• Examples:
  • Building a Global Payment System
• Leetcode question: https://leetcode.com/problems/search-in-a-binary-search-tree/

Week 7

Reviewed/Covered Topics: Generics

• Why Generics? Benefits?
• Types of Java Generics
• Bounded Type Parameters
• Multiple Bounds
• Wildcards
• Type Erasure
• Resources on Generics
• Examples:
  • Building a Tensor Library

Week 6

Reviewed/Covered Topics

• Interface
• Casting explained
• Overriding
• Reference Type / Object Type in compile time / runtime
• Modeling flying object with interface and example
• Designing Elevator system using OOP system design example

Week 5

Reviewed/Covered Topics

• Homework explained
• Review on JAVA classes -- inheritance and polymorphism
• Compile time -- run time object instantiation
• JAVA interface
• JAVA abstract class
• Comparison of JAVA interface and JAVA abstract class
• Implemtation example
• Tips for designing OOP classes
• Practice designing an elevator system

Week 4

Reviewed/Covered Topics

• Pass by Value/Copy vs Pass by Reference
• Regular Expression
  • Pattern
  • Matcher
  • Common regular expressions
  • Back references
• Review homework patterns
• Finite State Machine/Finite Automata concept:
  • Constructions of FSA/FA
  • Debugging ChatGPT's FSM in Q3 hw4
  • Implementing an actual FSM
• Solution to last week Hackerank problem (if have time)

Week 3

Topics

• Classes
• Naming convention of variables and methods
• Instance and class method
• this
• static/instance example
• Access Modifier
• BigInteger
• method override vs overload
• Common functionality for method overriding
  • toString
• String Manipulation Practice Problem: Hackerrank Problem
  • Solution on my Github

Week 2

Topics

• Scanner
• Recursive
• Java Programming Basics (cont)

Algorithms

• Problem 1
• Problem 2
• Problem 3

Week 1

1. Topics

• General information
• JAVA Programming Basics
  • Theory
  • Syntax: Data types, Control flow, etc.
• Object-Oriented Programming

2. Recitation Agenda

• Introduction
• Objective
• Communication
• JAVA Syntax Brief Overview

• Review 4 main ideas in object-oriented programming
• Demonstrate code for all of above topics
• Solve 2 easy hackerrank problem (if have time)