Update from branch (#128)

* Update initialization.md

* Add footnote softening the use of "wrong"

Co-Authored-By: Ken Fogel <4064849+omniprof@users.noreply.github.com>

* Explain backslash and forward slash

Co-Authored-By: Dain LaRock <33586731+DainTrain@users.noreply.github.com>

* Resolve #54

* Use IO.readln

* Add OffsetDateTime chapter

* Chapter on Date

* Switch and recursion

* Loops III

* Checkpoint

* More reflection

* checkpoint

* Numerics

* IO println

* Checkpoint

* Update other prints

* ..

* Remove junk files

* Update code runner

* Update switch

* ...

* calorie tracker

* Update calorie_tracker.md

* Update calorie_tracker.md

* add problem statement

* ASCII Art

* Point of Sale System

* Fix up standard input sections

* ...

* Bad project

* Update buy_now_pay_later.md

* Data vis

* Update data_visualization.md

* Update buy_now_pay_later.md

* Update buy_now_pay_later.md

* Update data_visualization.md

* Challenges up through static methods

* cli and array challenges

* Inner classes challenges

* More challenges

* integer challenges

* Update buy_now_pay_later.md

* Update SUMMARY.md

* Object challenges

* Time challenges

* Hash map and array list challenges

* Update challenges.md

* more challenges

* Code Stuff

* Fix array challenges

* Update challenges.md

* ...

* commas

* more challenges

* Update character.md

* Packaging, Compilation, and Just

* Java doc

* ...

* Challenges

* elmo full name

* Update main.md

* Update return_in_void_methods.md

* Modulese

* music project

* Update music_maker.md

* Section headings

* more

* More images

* More drawings

* 2/3rds

* Update interfaces.md

* more art

* more ART!

* remove repl.it

* fix img

* Update chained_comparisons.md

* Update size.md

* Update limits.md

* Use coordinates of studio where muppets treasure island was filmed

* Update equality.md

* Update getting_started.md

* Delete Screenshot 2025-08-23 at 9.17.49 PM.png

* lambdas

* more streams

* Update challenges.md

* streams

* Update semicolon.md

* regex start

* Update what_now.md

* mascots in what now

* Update what_now.md

* Update what_now.md

* ..

* Update SUMMARY.md

* Update first_steps.md

* Update first_steps.md

* Update challenges.md

* Update challenges.md

* Update challenges.md

* Update variables.md

* Update challenges.md

* Update challenges.md

* Grammar

Co-Authored-By: zohairawan <35776095+zohairawan@users.noreply.github.com>

* fixed

* Update purpose.md

* Update challenges.md

* Update what_now.md

* Update what_now.md

* Update book.toml

* Update book.toml

* Update first_steps.md

* Update offset_date_time.md

* Create tic_tac_toe.md

* Committing to new start

* ...

* windows instructions

* spelling

---------

Co-authored-by: Ken Fogel <4064849+omniprof@users.noreply.github.com>
Co-authored-by: Dain LaRock <33586731+DainTrain@users.noreply.github.com>
Co-authored-by: zohairawan <35776095+zohairawan@users.noreply.github.com>

Author: 4 people

book.toml

@@ -15,6 +15,8 @@ mathjax-support = true
 additional-css = ["ferris.css"]
 additional-js = ["ferris.js"]
 heading-split-level = 2
+default-theme = "light"
+preferred-default-theme = "light"
 
 [output.html.fold]
 enable = false # whether or not to enable section folding

src/SUMMARY.md

@@ -101,15 +101,53 @@ Intro to testing
 Gui stuff
 -->
 
-# Modern Java
 
 - [Prelude](./prelude.md)
   - [Asking for Help](./prelude/asking_for_help.md)
   - [Toy Problems](./prelude/toy_problems.md)
   - [Lies](./prelude/lies.md)
   - [AI](./prelude/ai.md)
   - [Java](./prelude/java.md)
-- [Getting Started](./getting_started.md)
+
+# The Computing Environment
+
+- [Hardware](./hardware.md)
+  - [CPU](./hardware/cpu.md)
+  - [RAM](./hardware/ram.md)
+  - [Hard Drives](./hardware/hard_drives.md)
+  - [Motherboard](./hardware/motherboard.md)
+- [Operating Systems](./operating_systems.md)
+  - [Personal Computers](./operating_systems/personal_computers.md)
+  - [Servers](./operating_systems/servers.md)
+  - [Mobile Phones](./operating_systems/mobile_phones.md)
+  - [Game Consoles](./operating_systems/game_consoles.md)
+  - [Abstractions](./operating_systems/abstractions.md)
+  - [Defaults](./operating_systems/defaults.md)
+
+# Modern Java
+
+- [Set Up Your Computer](./text_editors/set_up_your_computer.md)
+  - [Text Editors](./text_editors.md)
+  - [IDEs](./text_editors/ides.md)
+  - [VSCodium](./text_editors/vscodium.md)
+  - [Install VSCodium](./text_editors/install_vscodium.md)
+  - [Install Java](./text_editors/install_java.md)
+- [The Terminal](./the_terminal.md)
+  - [Bash](./the_terminal/bash.md)
+  - [Windows Subsystem for Linux](./the_terminal/windows_subsystem_for_linux.md)
+  - [Chromebooks and School Computers](./the_terminal/chromebooks_and_school_computers.md)
+  - [Commands](./the_terminal/commands.md)
+  - [Directories](./the_terminal/directories.md)
+  - [Listing Files](./the_terminal/listing_files.md)
+  - [Creating Directories](./the_terminal/creating_directories.md)
+  - [Changing Directories](./the_terminal/changing_directories.md)
+  - [Creating Files](./the_terminal/creating_files.md)
+  - [Run Java Programs](./the_terminal/run_java_programs.md)
+  - [Getting Used to it](./the_terminal/getting_used_to_it.md)
+  - [Challenges](./the_terminal/challenges.md)
+
+
+<!-- - [Getting Started](./getting_started.md) -->
 - [First Steps](./first_steps.md)
   - [Comments](./first_steps/comments.md)
   - [Semicolons](./first_steps/semicolon.md)
@@ -445,7 +483,7 @@ Gui stuff
 # Projects
 
 <!-- chicken nugget number type things come up when dispensing change -->
-- [Tic-Tac-Toe]()
+- [Tic-Tac-Toe](./projects/tic_tac_toe.md)
 
 
 # Concepts
@@ -458,35 +496,6 @@ Gui stuff
   - [Practice](./code_is_read_more_than_written/practice.md)
 
 
-
-# The Computing Environment
-
-- [Hardware](./hardware.md)
-  - [CPU](./hardware/cpu.md)
-  - [RAM](./hardware/ram.md)
-  - [Hard Drives](./hardware/hard_drives.md)
-  - [Motherboard](./hardware/motherboard.md)
-- [Operating Systems](./operating_systems.md)
-  - [Personal Computers](./operating_systems/personal_computers.md)
-  - [Servers](./operating_systems/servers.md)
-  - [Mobile Phones](./operating_systems/mobile_phones.md)
-  - [Game Consoles](./operating_systems/game_consoles.md)
-  - [Abstractions](./operating_systems/abstractions.md)
-  - [Defaults](./operating_systems/defaults.md)
-- [The Terminal](./the_terminal.md)
-  - [Bash](./the_terminal/bash.md)
-  - [Windows Subsystem for Linux](./the_terminal/windows_subsystem_for_linux.md)
-  - [Chromebooks and School Computers](./the_terminal/chromebooks_and_school_computers.md)
-  - [Commands](./the_terminal/commands.md)
-  - [Directories](./the_terminal/directories.md)
-  - [Listing Files](./the_terminal/listing_files.md)
-  - [Creating Directories](./the_terminal/creating_directories.md)
-  - [Changing Directories](./the_terminal/changing_directories.md)
-  - [Creating Files](./the_terminal/creating_files.md)
-  - [Run Java Programs](./the_terminal/run_java_programs.md)
-  - [Getting Used to it](./the_terminal/getting_used_to_it.md)
-
-
 # Control Flow IV
 
 - [Exceptions II](./exceptions_ii.md)
@@ -551,7 +560,7 @@ Gui stuff
   - [Optimized Implementation](./growable_arrays/optimized_implementation.md)
   - [Challenges](./growable_arrays/challenges.md)
 
-# Interactive Programs II
+# Interactive Programs III
 
 - [Command Line Arguments](./command_line_arguments.md)
   - [Accessing Arguments](./command_line_arguments/accessing_arguments.md)
@@ -613,7 +622,7 @@ Gui stuff
   - [Challenges](./integers_ii/challenges.md)
 
 
-# Interactive Programs III
+# Interactive Programs IV
 
 - [Files](./files.md)
   - [Paths](./files/paths.md)
@@ -874,10 +883,9 @@ Make them do one. -->
   - [Arguments](./lambdas/arguments.md)
   - [Return](./lambdas/return.md)
   - [Method References](./lambdas/method_references.md)
+  - [Constructor References](./lambdas/constructor_references.md)
   - [Inference](./lambdas/inference.md)
   - [Built-In Functional Interfaces](./lambdas/built_in_functional_interfaces.md)
-  - [Runnable](./lambdas/runnable.md)
-  - [Function](./lambdas/function.md)
   - [Checked Exceptions](./lambdas/checked_exceptions.md)
   - [Challenges](./lambdas/challenges.md)
 
@@ -953,7 +961,11 @@ TODO: Wait for hermetic java
   - [Collectors](./streams/collectors.md)
   - [Purpose](./streams/purpose.md)
   - [Challenges](./streams/challenges.md)
+
+
 <!--
+Make a challenge where the solution is to write normal code.
+
 - [Regular Expressions 🚧](./regular_expressions.md)
   - [Theoretical Basis](./regular_expressions/theoretical_basis.md)
   - [Pattern](./regular_expressions/pattern.md)
@@ -964,14 +976,26 @@ TODO: Wait for hermetic java
   - [Matcher]()
   - [Pathological Cases]()
   - [Power]()
+
+# Interactive Programs IV
+
+- [Files II](./files_ii.md)
+  - [List Files](./files_ii/list_files.md)
+  - [Read Lines](./files_ii/read_lines.md)
+  - [InputStream](./files_ii/input_stream.md)
+  - [OutputStream](./files_ii/output_stream.md)
+  - [Reader](./files_ii/reader.md)
+  - [Writer](./files_ii/writer.md)
   -->
 
+
 # Conclusion
 
 - [What Now?](./conclusion/what_now.md)
 
 
 <!-- 
+
 - [Strings III 🚧]()
 
 Streams II

src/conclusion/what_now.md

@@ -142,12 +142,12 @@ most employable one of the many HTTP server options out there.
 ### Desktop Applications
 
 If you want to learn how to make desktop applications in Java you have basically
-three paths.
+two paths.
 
 Path #1 is to learn Java Swing. This is an old crusty GUI framework that is kinda difficult to use
 but has the pro of coming with Java and being able to run on every potato in existence.
 
-[Docs for `java.desktop` (Swing) here](https://docs.oracle.com/en/java/javase/24/docs/api/jdk.httpserver/module-summary.html)
+[Docs for `java.desktop` (Swing) here](https://docs.oracle.com/en/java/javase/24/docs/api/java.desktop/module-summary.html)
 
 Path #2 is the learn JavaFX. By all accounts JavaFX is better software than Swing, but it was cursed
 by coming out at a point in history where desktop apps were no longer big business to develop. It
@@ -187,7 +187,8 @@ learned JavaScript that is a good one to touch next.
 
 There are languages out there like TypeScript that compile to JavaScript -
 and you can find some projects out there that do much the same for Java -
-but just practically speaking learning JavaScript
+but just practically speaking learning JavaScript is going to be something
+you have to do at some point if you get into making websites.
 
 ### C#
 
@@ -226,10 +227,10 @@ you do to make a full app in it, but it can't hurt.
 
 [Kotlin Android Tutorial here](https://kotlinlang.org/docs/android-overview.html)
 
-If you want to make Desktop or Mobile apps in Kotlin it is probably also worth checking out
-Jetpack Compose.
+If you want to make Desktop, Mobile, or Web apps in Kotlin it is probably also worth checking out
+Jetbrains Compose Multiplatfrom.
 
-[Getting Started for Jetpack Compose here](https://www.jetbrains.com/help/kotlin-multiplatform-dev/compose-multiplatform-create-first-app.html)
+[Getting Started for Jetbrains Compose Multiplatfrom here](https://www.jetbrains.com/help/kotlin-multiplatform-dev/compose-multiplatform-create-first-app.html)
 
 
 ### Others
@@ -261,4 +262,7 @@ context for quite yet:
 
 * Rust
 * Zig
+* Clojure
+
+
 [^wasm]: Fight me, WebAssembly fans.

src/easy_vs_simple.md

@@ -0,0 +1 @@
+# Easy vs. Simple

src/exceptions_ii/unchecked_exceptions.md

@@ -1,6 +1,6 @@
 # Unchecked Exceptions
 
-When a part of your code might throw a "unchecked" exception, other
+When a part of your code might throw an "unchecked" exception, other
 parts of your code do not need to account for that possibility.
 
 ```java

src/files_ii.md

@@ -0,0 +1 @@
+# Files II

src/files_ii/challenges.md

@@ -0,0 +1 @@
+# Challenges

src/files_ii/input_stream.md

@@ -0,0 +1 @@
+# InputStream

src/files_ii/lines.md

@@ -0,0 +1 @@
+# Lines

src/files_ii/list_directory.md

@@ -0,0 +1 @@
+# Paths