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Update main (#48)
* more sections * First feedback round * Update prelude.md * ... * Spelling fix Co-Authored-By: Firas Regaieg <[email protected]> * Arguments chapter * More Challenges * Run prettier * user input * October 14th, #1 * Array challenges * Delete challenges * Null * ... * Update null_as_absence.md * Delete out.json * Fix quotes * Add first no_runs * Fix number example * ... * Write more of the classes section * Constructors * Clean up getting started a little * Use a duke * Don't link anywhere yet * Increase lines needed to show a duke * Fix field access section * ... * ... * ... * ... * ... * switch and enums * Update book.toml * Density * Update audience.md * .. * Strings 2 * Update length.md * Global Fields * Input * Update delayed_assignment.md * ... * ... * Update book.js * Update challenges.md * Remove blank Challenge * Fix some issues, push some incomplete sections * Update challenges.md * terminal * Update challenges.md * Switches and visibility * Growable array * Cli Args * Delete unused * Change url * inner classes * Update unchecked_exceptions.md * Update checked_exceptions.md * Update invariants.md * Packages * Records * Update the_default_package.md * Syntax highlighting wierdness * More records * Integers, Files, etc. * Move IOException around * ... * ... --------- Co-authored-by: Firas Regaieg <[email protected]>
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‎README.md

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# Modern Java
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[![codefactor](https://img.shields.io/codefactor/grade/github/together-java/modernjava)](https://www.codefactor.io/repository/github/together-java/modernjava)
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![Java](https://img.shields.io/badge/Java-19-ff696c)
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[![license](https://img.shields.io/github/license/Together-Java/ModernJava)](https://github.com/Together-Java/ModernJava/blob/master/LICENSE)
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Book teaching how to write modern and effective Java. It is maintained by the community, anyone can contribute.

‎book.toml

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[book]
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title = "Modern Java"
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description = " Book teaching how to write modern and effective Java. It is maintained by the community, anyone can contribute."
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authors = ["Together Java", "Contributions from the Java Community"]
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description = "Book teaching how to write modern and effective Java."
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authors = ["Ethan McCue", "Together Java", "Contributions from the Java Community"]
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language = "en"
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multilingual = false
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[output.html.code.hidelines]
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java = "~"
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[output.html.code.hidelines]
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java = "~"

‎ferris.js

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// a.setAttribute('href', 'ch00-00-introduction.html#ferris')
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a.setAttribute('target', '_blank')
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var toFileName = function (t) {
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return '../img/' + t.attr + '.svg';
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}
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var img = document.createElement('img')
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img.setAttribute('src', '../img/' + type.attr + '.svg')
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img.setAttribute('src', toFileName(type))
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img.setAttribute('title', type.title)
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img.classList.add('ferris')
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img.classList.add('ferris-' + size)

‎src/SUMMARY.md

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- [If](./branching_logic/if.md)
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- [Nested Ifs](./branching_logic/nested_ifs.md)
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- [Else](./branching_logic/else.md)
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- [Else](./branching_logic/else.md)
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- [Else If](./branching_logic/else_if.md)
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- [Relation to Delayed Assignment](./branching_logic/relation_to_delayed_assignment.md)
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- [Scoped Variables](./branching_logic/scoped_variables.md)
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- [Scoped Variables](./branching_logic/scoped_variables.md)
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- [Conditional Operator](./branching_logic/conditional_operator.md)
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- [Boolean Expressions](./branching_logic/boolean_expressions.md)
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- [Challenges](./branching_logic/challenges.md)
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- [Boxing Conversion](./boxed_primitives/boxing_conversion.md)
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- [Arrays of Boxed Primitives](./boxed_primitives/arrays_of_boxed_primitives.md)
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- [Challenges](./boxed_primitives/challenges.md)
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- [Challenges](./boxed_primitives/challenges.md)
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- [Arrays II](./arrays_ii.md)
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- [Initializion with Size](./arrays_ii/initialization_with_size.md)
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- [Default Values](./arrays_ii/default_values.md)
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- [Usage](./enums/usage.md)
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- [Equality](./enums/equality.md)
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- [Comparison to boolean](./enums/comparison_to_boolean.md)
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- [Strings II](./strings_ii.md)
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- [lowercase](./strings_ii/lowercase.md)
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- [UPPERCASE](./strings_ii/UPPERCASE.md)
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- [Equality ignoring case](./strings_ii/equality_ignoring_case.md)
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- [Check if empty](./strings_ii/check_if_empty.md)
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- [Check if blank](./strings_ii/check_if_blank.md)
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- [Strip extra whitespace](./strings_ii/strip_extra_whitespace.md)
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# Control Flow III
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- [Invariants](./constructors/invariants.md)
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- [Overloads](./constructors/overloads.md)
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- [Delegation](./constructors/delegation.md)
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- [Global Fields](./global_fields.md)
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- [Default Values](./global_fields/default_values.md)
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- [Final Fields](./global_fields/final_fields.md)
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- [Field Access](./global_fields/field_access.md)
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- [Inferred Types](./global_fields/inferred_types.md)
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# Concepts
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- [Code is Read more than Written](./code_is_read_more_than_written.md)
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- [Meaning](./code_is_read_more_than_written/meaning.md)
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- [Implications](./code_is_read_more_than_written/implications.md)
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- [Information Density](./code_is_read_more_than_written/information_density.md)
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- [Audience](./code_is_read_more_than_written/audience.md)
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- [Practice](./code_is_read_more_than_written/practice.md)
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# Interactive Programs
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- [Standard Input](./standard_input.md)
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- [Prompting](./standard_input/prompting.md)
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- [Interpreting Input](./standard_input/interpreting_input.md)
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- [Reprompting](./standard_input/reprompting.md)
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- [Leniency](./standard_input/leniency.md)
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- [Delayed Assignment](./standard_input/delayed_assignment.md)
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- [Transporting Data](./standard_input/transporting_data.md)
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# The Computing Environment
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- [Hardware](./hardware.md)
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- [CPU](./hardware/cpu.md)
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- [RAM](./hardware/ram.md)
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- [Hard Drives](./hardware/hard_drives.md)
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- [Motherboard](./hardware/motherboard.md)
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- [Operating Systems](./operating_systems.md)
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- [Personal Computers](./operating_systems/personal_computers.md)
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- [Servers](./operating_systems/servers.md)
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- [Mobile Phones](./operating_systems/mobile_phones.md)
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- [Game Consoles](./operating_systems/game_consoles.md)
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- [Abstractions](./operating_systems/abstractions.md)
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- [Defaults](./operating_systems/defaults.md)
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- [The Terminal](./the_terminal.md)
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- [Bash](./the_terminal/bash.md)
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- [Windows Subsystem for Linux](./the_terminal/windows_subsystem_for_linux.md)
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- [Chromebooks and School Computers](./the_terminal/chromebooks_and_school_computers.md)
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- [Commands](./the_terminal/commands.md)
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- [Directories](./the_terminal/directories.md)
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- [Listing Files](./the_terminal/listing_files.md)
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- [Creating Directories](./the_terminal/creating_directories.md)
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- [Changing Directories](./the_terminal/changing_directories.md)
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- [Creating Files](./the_terminal/creating_files.md)
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- [Run Java Programs](./the_terminal/run_java_programs.md)
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- [Getting Used to it](./the_terminal/getting_used_to_it.md)
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# Control Flow III
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<!--
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- [Exceptions II](./exceptions_ii.md)
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- [Checked Exceptions](./exceptions_ii/checked_exceptions.md)
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- [Unchecked Exceptions](./exceptions_ii/unchecked_exceptions.md)
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- [throws](./exceptions_ii/throws.md)
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- [Propagating Exceptions](./exceptions_ii/propagating_exceptions.md)
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- [Rethrowing Exceptions](./exceptions_ii/rethrowing_exceptions.md)
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- [Exception](./exceptions_ii/exception.md)
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- [RuntimeException](./exceptions_ii/runtime_exception.md)
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- [main](./exceptions_ii/main.md)
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- [Switch II](./switch_ii.md)
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- [Yield](./switch_ii/yield.md)
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- [Omitted Yield](./switch_ii/omitted_yield.md)
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- [Exhaustiveness](./switch_ii/exhaustiveness.md)
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- [Return a Switch](./switch_ii/return_a_switch.md)
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# Code Structure IV
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- [Multi-File Programs](./multi_file_programs.md)
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- [The Sources folder](./multi_file_programs/the_sources_folder.md)
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- [The Main file](./multi_file_programs/the_main_file.md)
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- [A Second file](./multi_file_programs/a_second_file.md)
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- [File names](./multi_file_programs/file_names.md)
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- [The Anonymous Main Class](./multi_file_programs/the_anonymous_main_class.md)
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- [Global Fields](./multi_file_programs/global_fields.md)
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- [Visibility](./visibility.md)
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- [Private Methods](./visibility/private_methods.md)
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- [Private Fields](./visibility/private_fields.md)
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- [Invariants](./visibility/invariants.md)
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- [Accessors](./visibility/accessors.md)
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- [Getters and Setters](./visibility/getter_and_setters.md)
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- [Static Fields](./static_fields.md)
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- [Declaration](./static_fields/declaration.md)
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- [Initialization](./static_fields/initialization.md)
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- [Usage](./static_fields/usage.md)
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- [Constants](./static_fields/constants.md)
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- [Controversy](./static_fields/controversy.md)
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- [Naming](./static_fields/naming.md)
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- [Static Methods](./static_methods.md)
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- [Declaration](./static_methods/declaration.md)
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- [Scope](./static_methods/scope.md)
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- [Naming](./static_methods/naming.md)
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- [Usage](./static_methods/usage.md)
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- [Math](./static_methods/math.md)
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- [Factories](./static_methods/factories.md)
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# Data Structures & Algorithms
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- [Growable Arrays](./growable_arrays.md)
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- [Concept](./growable_arrays/concept.md)
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- [Simple Implementation](./growable_arrays/simple_implementation.md)
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- [Usage](./growable_arrays/usage.md)
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- [Performance Problems](./growable_arrays/performance_problems.md)
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- [Performance Solutions](./growable_arrays/performance_solutions.md)
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- [Optimized Implementation](./growable_arrays/optimized_implementation.md)
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# Interactive Programs II
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- [Command Line Arguments](./command_line_arguments.md)
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- [Accessing Arguments](./command_line_arguments/accessing_arguments.md)
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- [Conventions](./command_line_arguments/conventions.md)
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# Code Structure IV
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- [Inner Classes](./inner_classes.md)
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- [Type](./inner_classes/type.md)
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- [Instances](./inner_classes/instances.md)
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- [New Operator](./inner_classes/new_operator.md)
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- [Scope](./inner_classes/scope.md)
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- [Disambiguation](./inner_classes/disambiguation.md)
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- [The anonymous main class](./inner_classes/the_anonymous_main_class.md)
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- [Static Inner Classes](./inner_classes/static_inner_classes.md)
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- [Private Inner Classes](./inner_classes/private_inner_classes.md)
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- [Packages](./packages.md)
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- [Declaration](./packages/declaration.md)
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- [Visibility](./packages/visibility.md)
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- [Public Classes](./packages/public_classes.md)
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- [Fully Qualified Class Name](./packages/fully_qualified_class_name.md)
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- [Import](./packages/import.md)
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- [The Default Package](./packages/the_default_package.md)
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- [The Anonymous Main Class](./packages/the_anonymous_main_class.md)
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- [Public Methods](./packages/public_methods.md)
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- [Package-Private Methods](./packages/package_private_methods.md)
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- [Public Fields](./packages/public_fields.md)
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- [Package-Private Fields](./packages/package_private_fields.md)
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- [The Default Constructor](./packages/the_default_constructor.md)
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- [Public Constructors](./packages/public_constructors.md)
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- [Package-Private Constructors](./packages/package_private_constructors.md)
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- [Subpackages](./packages/subpackages.md)
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- [Reverse Domain Name Notation](./packages/reverse_domain_name_notation.md)
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- [length]()
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# Data Types IV
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- [Records](./records.md)
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- [Declaration](./records/declaration.md)
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- [The Canonical Constructor](./records/the_canonical_constructor.md)
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- [Component Accessors](./records/component_accessors.md)
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- [Component Accessor Visibility](./records/component_accessor_visibility.md)
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- [Printing a Record](./records/printing_a_record.md)
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- [Check for Equality](./records/check_for_equality.md)
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- [Return Multiple Values](./records/return_multiple_values.md)
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- [Shorthand](./records/shorthand.md)
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- [Integers II](./integers_ii.md)
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- [Integer from a String](./integers_ii/integer_from_a_string.md)
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- [Integer to a String](./integers_ii/integer_to_a_string.md)
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- [Base 16 Integer Literals](./integers_ii/base_16_integer_literals.md)
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- [Integer from a Base 16 String](./integers_ii/integer_from_a_base_16_string.md)
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- [Integer to a Base 16 String](./integers_ii/integer_to_a_base_16_string.md)
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- [Underscores in Integer Literals](./integers_ii/underscores_in_integer_literals.md)
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# Interactive Programs III
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- [Files](./files.md)
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- [Paths](./files/paths.md)
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- [IOException](./files/ioexception.md)
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- [UncheckedIOException](./files/uncheckedioexception.md)
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- [Write to a File](./files/write_to_a_file.md)
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- [Read from a File](./files/read_from_a_file.md)
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- [Create a Folder](./files/creating_a_folder.md)
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- [Delete a Folder](./files/creating_a_folder.md)
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- [Delete a File](./files/creating_a_folder.md)
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# Data Structures & Algorithms II
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- [Hash Maps]()
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- [Hash Sets]()
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# Code Structure IV
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- [Interfaces]()
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- [@Override]()
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- [Generics]()
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- [Casting]()
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- [Object]()
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- [instanceof]()
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- [toString]()
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- [equals]()
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- [charAt]()
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- [equalsIgnoreCase]()
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- [hashCode]()
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<!--
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# Data Types IV
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- [StringBuilder](./string_builder.md)
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- [Pattern]()
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# Concepts
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- [The Idiot Game](./the_idiot_game.md)
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# Interactive Programs
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# The Computing Environment
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# Interactive Programs
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- [Command Line Arguments]()
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# Code Structure IV
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- [Import]()
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- [Packages]()
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- [Public]()
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- [Package Private]()
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- [Multiple Source Files]()
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- [Why]()
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- [How]()
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# Data Types V
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- [Strings III]()
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- [StringBuilder](./stringbuilder.md)
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- [Regular Expressions]()
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# Code Structure V
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- [toString]()
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- [Interfaces]()
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- [@Override]()
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# Code Structure V
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- [Generics]()
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- [Declaration]()
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- [Safety]()
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- [Unsafe Casts]()
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# Data Types VI
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- [Integers II]()
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- [Paths]()
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- [Iterator and Iterable]()
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- [Exceptions II]()
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- [Lists]()
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- [ArrayList]()
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- [Add an item]()
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- [Get an item]()
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- [Set an item]()
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- [Loop over Contents]()
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# Control Flow IV
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- [Multiple Files]()
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- [The Implicit Main Class]()
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- [Private]()
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- [Loops III](./loops_iii.md)
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- [For Each]()
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# Algorithms II
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- [Hash Map]()
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# Data Types VII
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- [Maps]()
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- [HashMap]()
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- [Sets]()
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- [HashSet]()
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# Interactive Programs II
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- [Files]()
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# Metaprogramming
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- [Reflection]()
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- [Annotations]() -->
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<!--
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- [Documentation Comments]()
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# User Defined Types
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