Please enable JavaScript to use CodeHS


Texas Computer Science 2 2022

Lessons

  1. System Administration

    1. 1.1 Operating Systems

    2. Description
    3. Objective

    4. 1.2 Comparing Operating Systems

    5. Description
    6. Objective

    7. 1.3 Compatibility

    8. Description
    9. Objective

    10. 1.4 Software and Applications

    11. Description
    12. Objective

    13. 1.5 Software Licenses

    14. Description
    15. Objective

    16. 1.6 Application Security

    17. Description
    18. Objective

    19. 1.7 Browser Configuration

    20. Description
    21. Objective

    22. 1.8 System Administration

    23. Description
    24. Objective

    25. 1.9 Command Line Interface

    26. Description
    27. Objective

    28. 1.10 System Administration Quiz

    29. Description
    30. Objective

  2. Networking Fundamentals

    1. 2.1 Introduction to the Internet

    2. Description
    3. Objective

    4. 2.2 Notational Systems

    5. Description
    6. Objective

    7. 2.3 Data Representation

    8. Description
    9. Objective

    10. 2.4 Internet Hardware and Sending Information

    11. Description
    12. Objective

    13. 2.5 Internet Addresses

    14. Description
    15. Objective

    16. 2.6 Domain Name System (DNS)

    17. Description
    18. Objective

    19. 2.7 Routing

    20. Description
    21. Objective

    22. 2.8 Packets & Protocols

    23. Description
    24. Objective

    25. 2.9 Viewing a Webpage

    26. Description
    27. Objective

    28. 2.10 Creative Credit & Copyright

    29. Description
    30. Objective

    31. 2.11 Impact of the Internet

    32. Description
    33. Objective

    34. 2.12 Networking Fundamentals Quiz

    35. Description
    36. Objective

  3. Introduction to Programming in Java with Karel the Dog

    1. 3.1 Introduction to Programming With Karel

    2. Description
    3. Objective

    4. 3.2 More Basic Karel

    5. Description
    6. Objective

    7. 3.3 Java Programs and the Run Method

    8. Description
    9. Objective

    10. 3.4 Karel Can't Turn Right

    11. Description
    12. Objective

    13. 3.5 Methods in Karel

    14. Description
    15. Objective

    16. 3.6 Top Down Design and Decomposition in Karel

    17. Description
    18. Objective

    19. 3.7 Commenting Your Code

    20. Description
    21. Objective

    22. 3.8 Super Karel

    23. Description
    24. Objective

    25. 3.9 For Loops

    26. Description
    27. Objective

    28. 3.10 While Loops in Karel

    29. Description
    30. Objective

    31. 3.11 If Statements

    32. Description
    33. Objective

    34. 3.12 If/Else Statements

    35. Description
    36. Objective

    37. 3.13 Control Structures Example

    38. Description
    39. Objective

    40. 3.14 More Karel Examples and Testing

    41. Description
    42. Objective

    43. 3.15 How to Indent Your Code

    44. Description
    45. Objective

    46. 3.16 Karel Challenges

    47. Description
    48. Objective

    49. 3.17 Introduction to Programming in Java Quiz

    50. Description
    51. Objective

  4. Basic Java

    1. 4.1 Programming Fundamentals

    2. Description
    3. Objective

    4. 4.2 Printing in Java

    5. Description
    6. Objective

    7. 4.3 Variables and Types

    8. Description
    9. Objective

    10. 4.4 User Input

    11. Description
    12. Objective

    13. 4.5 Arithmetic Expressions

    14. Description
    15. Objective

    16. 4.6 Casting

    17. Description
    18. Objective

    19. 4.7 Booleans

    20. Description
    21. Objective

    22. 4.8 Logical Operators

    23. Description
    24. Objective

    25. 4.9 Comparison Operators

    26. Description
    27. Objective

    28. 4.10 For Loops

    29. Description
    30. Objective

    31. 4.11 While Loops

    32. Description
    33. Objective

    34. 4.12 If Statements

    35. Description
    36. Objective

    37. 4.13 Loop-and-a-Half

    38. Description
    39. Objective

    40. 4.14 Short-Circuit Evaluation

    41. Description
    42. Objective

    43. 4.15 De Morgan's Laws

    44. Description
    45. Objective

    46. 4.16 Strings

    47. Description
    48. Objective

    49. 4.17 Basic Java Quiz

    50. Description
    51. Objective

  5. Methods

    1. 5.1 Java Methods

    2. Description
    3. Objective

    4. 5.2 Methods and Parameters

    5. Description
    6. Objective

    7. 5.3 Methods and Return Values

    8. Description
    9. Objective

    10. 5.4 Javadocs and More Methods

    11. Description
    12. Objective

    13. 5.5 Strings Methods

    14. Description
    15. Objective

    16. 5.6 Strings and Characters

    17. Description
    18. Objective

    19. 5.7 Exceptions

    20. Description
    21. Objective

    22. 5.8 String Processing

    23. Description
    24. Objective

    25. 5.9 Methods Quiz

    26. Description
    27. Objective

  6. Classes and Object-Oriented Programming

    1. 6.1 Introduction to Classes and Objects

    2. Description
    3. Objective

    4. 6.2 Classes vs. Objects

    5. Description
    6. Objective

    7. 6.3 Using a Class as a Client

    8. Description
    9. Objective

    10. 6.4 Writing Classes

    11. Description
    12. Objective

    13. 6.5 Writing Classes and Instance Methods

    14. Description
    15. Objective

    16. 6.6 Getter and Setter Methods

    17. Description
    18. Objective

    19. 6.7 Class Methods and Class Variables

    20. Description
    21. Objective

    22. 6.8 Wrapper Classes

    23. Description
    24. Objective

    25. 6.9 Method Overloading

    26. Description
    27. Objective

    28. 6.10 Local Variables and Scope

    29. Description
    30. Objective

    31. 6.11 Key Terms for Classes

    32. Description
    33. Objective

    34. 6.12 Objects vs Primitives

    35. Description
    36. Objective

    37. 6.13 Inheritance

    38. Description
    39. Objective

    40. 6.14 Class Design and Abstract Classes

    41. Description
    42. Objective

    43. 6.15 Polymorphism

    44. Description
    45. Objective

    46. 6.16 Object Superclass

    47. Description
    48. Objective

    49. 6.17 Interfaces

    50. Description
    51. Objective

    52. 6.18 Ethical and Social Implications of Computing

    53. Description
    54. Objective

    55. 6.19 Classes and Object-Oriented Programming Quiz

    56. Description
    57. Objective

  7. Data Structures

    1. 7.1 What are Data Structures?

    2. Description
    3. Objective

    4. 7.2 Introduction to Arrays

    5. Description
    6. Objective

    7. 7.3 Using Arrays

    8. Description
    9. Objective

    10. 7.4 Enhanced For Loops

    11. Description
    12. Objective

    13. 7.5 ArrayList Methods

    14. Description
    15. Objective

    16. 7.6 Arrays vs ArrayLists

    17. Description
    18. Objective

    19. 7.7 Additional Loop Examples

    20. Description
    21. Objective

    22. 7.8 The List Interface

    23. Description
    24. Objective

    25. 7.9 2D Arrays (Matrices or Grids)

    26. Description
    27. Objective

    28. 7.10 Traversing 2D Arrays

    29. Description
    30. Objective

    31. 7.11 HashMaps

    32. Description
    33. Objective

    34. 7.12 Binary

    35. Description
    36. Objective

    37. 7.13 Ethical Issues Around Data Collection

    38. Description
    39. Objective

    40. 7.14 Data Structures Quiz

    41. Description
    42. Objective

  8. Steganography Lab

    1. 8.1 Activity 1: Exploring Color

    2. Description
    3. Objective

    4. 8.2 Activity 2: Hiding and Revealing a Picture

    5. Description
    6. Objective

    7. 8.3 Activity 3: Identifying a Hidden Picture

    8. Description
    9. Objective

    10. 8.4 Activity 4: Hiding and Revealing a Text Message

    11. Description
    12. Objective

    13. 8.5 Activity 5: Open Ended Project

    14. Description
    15. Objective

  9. Algorithms and Recursion

    1. 9.1 What is an Algorithm?

    2. Description
    3. Objective

    4. 9.2 Linear Search

    5. Description
    6. Objective

    7. 9.3 Binary Search

    8. Description
    9. Objective

    10. 9.4 Selection Sort

    11. Description
    12. Objective

    13. 9.5 Insertion Sort

    14. Description
    15. Objective

    16. 9.6 Advanced: Recursion

    17. Description
    18. Objective

    19. 9.7 Mergesort

    20. Description
    21. Objective

    22. 9.8 Informal Code Analysis

    23. Description
    24. Objective

    25. 9.9 Algorithms and Recursion Quiz

    26. Description
    27. Objective

  10. Celebrity Lab

    1. 10.1 Activity 1: Introduction to Celebrity

    2. Description
    3. Objective

    4. 10.2 Activity 2: The Celebrity Class: A Simple Version

    5. Description
    6. Objective

    7. 10.3 Activity 3: Putting it All Together

    8. Description
    9. Objective

    10. 10.4 Activity 4: Extending the Celebrity Class

    11. Description
    12. Objective

    13. 10.5 Activity 5: Open Ended Activity

    14. Description
    15. Objective

  11. Final Project

    1. 11.1 Project Overview

    2. Description
    3. Objective

    4. 11.2 Planning Your Project

    5. Description
    6. Objective

    7. 11.3 Creating Your Project

    8. Description
    9. Objective

    10. 11.4 Providing Feedback

    11. Description
    12. Objective

    13. 11.5 Presenting your Innovation

    14. Description
    15. Objective

    16. 11.6 Challenge: Take your Innovation Off CodeHS

    17. Description
    18. Objective

  12. Project: Pokemon Simulation

    1. 12.1 Pokemon Simulation

    2. Description
    3. Objective

  13. Project: Mad Libs

    1. 13.1 Mad Libs

    2. Description
    3. Objective

  14. Project: Quiz Creation

    1. 14.1 Quiz Creation

    2. Description
    3. Objective

  15. Java Pretest

    1. 15.1 Java Pretest

    2. Description
    3. Objective

  16. Java Posttest

    1. 16.1 Java Posttest

    2. Description
    3. Objective

  17. Elevens

    1. 17.1 Elevens

    2. Description
    3. Objective

  18. Magpie

    1. 18.1 Magpie Lab

    2. Description
    3. Objective

  19. Picture Lab

    1. 19.1 Picture Lab

    2. Description
    3. Objective

  20. Consumer Review Lab

    1. 20.1 Introduction

    2. Description
    3. Objective

    4. 20.2 Sentiment Value and Star Ratings

    5. Description
    6. Objective

    7. 20.3 Autogenerated Review

    8. Description
    9. Objective

    10. 20.4 Create a Negative or Positive Review

    11. Description
    12. Objective

    13. 20.5 Open Ended Activity!

    14. Description
    15. Objective