🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

🤖 Level up your chatbot knowledge with our latest AI course.

Join our free community Discord server here!

Learn React with us!

Wonhyuk Jang

San Diego

I am computer science major

5,666

Total Points

•
2,398

Android

2398 pts
Achievements

0 pts
Forum
•
984

Python

984 pts
Achievements

0 pts
Forum
•
318

Development Tools

318 pts
Achievements

0 pts
Forum
•
207

HTML

207 pts
Achievements

0 pts
Forum
•
135

CSS

135 pts
Achievements

0 pts
Forum
•
89

Java

89 pts
Achievements

0 pts
Forum
•
19

PHP

19 pts
Achievements

0 pts
Forum

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

62 Achievements

Achievement
Python Inheritance

Object-Oriented Python (retired)

Achieved
Jul 7, 2015
Achievement
Python Objects

Object-Oriented Python (retired)

Achieved
Jul 6, 2015
Achievement
Tuples

Python Collections (Retired)

Achieved
Jul 6, 2015
Achievement
Dictionaries

Python Collections (Retired)

Achieved
Jul 4, 2015
Achievement
Swift Structs and their Methods

Swift Enums and Structs

Achieved
Jun 8, 2015
Achievement
Swift Structs

Swift Enums and Structs

Achieved
Jun 8, 2015
Achievement
Using Fragments for Tabs

Build a Self-Destructing Message Android App

Achieved
Jun 8, 2015
Achievement
Starting the App

Build a Self-Destructing Message Android App

Achieved
Jun 6, 2015
Achievement
Swift Enums and their Methods

Swift Enums and Structs

Achieved
Jun 5, 2015
Achievement
Swift Enums

Swift Enums and Structs

Achieved
Jun 5, 2015
Achievement
Acting on List Item Taps

Android Lists and Adapters (2015)

Achieved
Jun 5, 2015
Achievement
Lists with RecyclerViews

Android Lists and Adapters (2015)

Achieved
Jun 5, 2015
Achievement
Using Parcelable Data

Android Lists and Adapters (2015)

Achieved
Jun 4, 2015
Achievement
Custom ListViews

Android Lists and Adapters (2015)

Achieved
Jun 4, 2015
Achievement
Standard ListViews

Android Lists and Adapters (2015)

Achieved
Jun 3, 2015
Achievement
Updating the Data Model

Android Lists and Adapters (2015)

Achieved
Jun 3, 2015
Achievement
Swift Optionals

Swift Functions and Optionals

Achieved
Jun 2, 2015
Achievement
Hooking up the Model to the View

Build a Weather App (2015)

Achieved
Jun 2, 2015
Achievement
Building the Weather UI

Build a Weather App (2015)

Achieved
Jun 1, 2015
Achievement
Working with JSON

Build a Weather App (2015)

Achieved
Jun 1, 2015
Achievement
Concurrency and Error Handling

Build a Weather App (2015)

Achieved
Jun 1, 2015
Achievement
Swift Parameters and Tuples

Swift Functions and Optionals

Achieved
May 31, 2015
Achievement
Swift Functions

Swift Functions and Optionals

Achieved
May 31, 2015
Achievement
Control Flow

Swift Basics (retired)

Achieved
May 31, 2015
Achievement
Networking

Build a Weather App (2015)

Achieved
May 31, 2015
Achievement
Getting Started with Genymotion

Android Tools

Achieved
May 31, 2015
Achievement
Exploring an API

Build a Weather App (2015)

Achieved
May 30, 2015
Achievement
Collections

Swift Basics (retired)

Achieved
May 30, 2015
Achievement
Operators

Swift Basics (retired)

Achieved
May 30, 2015
Achievement
The Model-View-Controller Pattern

Build an Interactive Story App (Retired)

Achieved
May 28, 2015
Achievement
Intents and Multiple Activities

Build an Interactive Story App (Retired)

Achieved
May 28, 2015
Achievement
User Input

Build an Interactive Story App (Retired)

Achieved
May 27, 2015
Achievement
Types

Swift Basics (retired)

Achieved
May 26, 2015
Achievement
Testing and Debugging

Build a Simple Android App (2014)

Achieved
May 26, 2015
Achievement
Improving Our Code

Build a Simple Android App (2014)

Achieved
May 26, 2015
Achievement
Coding the Fun Facts

Build a Simple Android App (2014)

Achieved
May 25, 2015
Achievement
Basic Android Programming

Build a Simple Android App (2014)

Achieved
May 25, 2015
Achievement
Variables and Constants

Swift Basics (retired)

Achieved
May 21, 2015
Achievement
Creating the Initial Screen Layout

Build a Simple Android App (2014)

Achieved
May 21, 2015
Achievement
Getting Started with Android

Build a Simple Android App (2014)

Achieved
May 21, 2015
Achievement
Slices

Python Collections (Retired)

Achieved
Jan 31, 2015
Achievement
Lists Redux

Python Collections (Retired)

Achieved
Jan 28, 2015
Achievement
Putting the "Fun" Back in "Functions"

Python Basics (Retired)

Achieved
Jan 24, 2015
Achievement
Shopping List

Python Basics (Retired)

Achieved
Jan 24, 2015
Achievement
Things That Count

Python Basics (Retired)

Achieved
Jan 24, 2015
Achievement
Pick a Number! Any Number!

Python Basics (Retired)

Achieved
Jan 22, 2015
Achievement
Ins & Outs

Python Basics (Retired)

Achieved
Jan 2, 2015
Achievement
Meet Objects

Java Objects (Retired)

Achieved
Jan 2, 2015
Achievement
Say Hello to Python

Python Basics (Retired)

Achieved
Jul 29, 2014
Achievement
Learning the Language

Build a Simple Android App (retired 2014)

Achieved
Jul 29, 2014
Achievement
Getting Started with Android

Build a Simple Android App (retired 2014)

Achieved
Jul 22, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
May 23, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
May 23, 2014
Achievement
HTML First

How to Make a Website

Achieved
May 14, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
May 14, 2014
Achievement
Installing Programs

Console Foundations

Achieved
May 1, 2014
Achievement
Environment and Redirection

Console Foundations

Achieved
Apr 28, 2014
Achievement
Console Processes

Console Foundations

Achieved
Apr 28, 2014
Achievement
Console Users and Permission

Console Foundations

Achieved
Apr 26, 2014
Achievement
Moving Around in the Console

Console Foundations

Achieved
Apr 24, 2014
Achievement
Website Basics

Build a Simple Website

Achieved
Mar 19, 2014
Achievement
Newbie

Achieved
Jan 21, 2014