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Adds configuration and sub project for quiz_java project application.
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‎lesson_02/quiz_java/.gitattributes‎

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#
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# https://help.github.com/articles/dealing-with-line-endings/
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#
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# Linux start script should use lf
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/gradlew text eol=lf
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# These are Windows script files and should use crlf
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*.bat text eol=crlf
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‎lesson_02/quiz_java/.gitignore‎

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# Ignore Gradle project-specific cache directory
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.gradle
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# Ignore Gradle build output directory
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build

‎lesson_02/quiz_java/app/build.gradle.kts‎

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/*
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* This file was generated by the Gradle 'init' task.
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*
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* This generated file contains a sample Java application project to get you started.
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* For more details on building Java & JVM projects, please refer to https://docs.gradle.org/9.0.0/userguide/building_java_projects.html in the Gradle documentation.
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*/
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plugins {
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java
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id("org.springframework.boot") version "3.1.0"
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id("io.spring.dependency-management") version "1.1.0"
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application
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}
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java {
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toolchain {
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languageVersion.set(JavaLanguageVersion.of(21))
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}
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}
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repositories {
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mavenCentral()
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}
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dependencies {
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implementation("org.apache.commons:commons-text:1.10.0")
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implementation(project(":instructional-lib"))
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implementation("org.springframework.boot:spring-boot-starter")
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testImplementation("org.springframework.boot:spring-boot-starter-test")
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}
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application {
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// Define the main class for the application.
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mainClass.set("org.example.Lesson2")
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}
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tasks.named<Test>("test") {
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// Use JUnit Platform for unit tests.
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useJUnitPlatform()
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}

‎lesson_02/quiz_java/app/src/main/java/quiz_java/Lesson2.java‎

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/*
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* This source file was generated by the Gradle 'init' task
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*/
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package org.example;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import com.codedifferently.instructional.quiz.AnswerChoice;
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import com.codedifferently.instructional.quiz.MultipleChoiceQuizQuestion;
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import com.codedifferently.instructional.quiz.QuizPrinter;
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import com.codedifferently.instructional.quiz.QuizQuestion;
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@SpringBootApplication
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public class Lesson2 {
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public static void main(String[] args) {
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if (System.getenv("JEST_WORKER_ID") == null) {
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new Lesson2().run();
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}
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}
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public void run() {
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List<QuizQuestion> quizQuestions = Lesson2.makeQuizQuestions();
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if (quizQuestions == null) throw new RuntimeException("Quiz questions cannot be null");
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QuizPrinter printer = new QuizPrinter();
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printer.printQuiz(quizQuestions);
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}
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public static List<QuizQuestion> makeQuizQuestions() {
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return Arrays.asList(
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makeQuestion0(),
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makeQuestion1(),
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makeQuestion2(),
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makeQuestion3(),
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makeQuestion4(),
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makeQuestion5(),
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makeQuestion6(),
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makeQuestion7(),
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makeQuestion8(),
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makeQuestion9(),
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makeQuestion10()
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);
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}
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private static QuizQuestion makeQuestion0() {
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return new MultipleChoiceQuizQuestion(
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0,
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"What is the main purpose of version control?",
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Map.of(
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AnswerChoice.A, "To make backups of files",
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AnswerChoice.B, "To keep a record of changes over time",
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AnswerChoice.C, "To delete unnecessary files",
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AnswerChoice.D, "To run code more efficiently"
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),
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AnswerChoice.B
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);
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}
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private static QuizQuestion makeQuestion1() {
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return new MultipleChoiceQuizQuestion(
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1,
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"What is a fork in Git?",
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Map.of(
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AnswerChoice.A, "A duplicate copy of a repository that you own and modify",
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AnswerChoice.B, "A temporary backup of the code",
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AnswerChoice.C, "A tool for merging branches",
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AnswerChoice.D, "A way to delete a repository"
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),
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AnswerChoice.A
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);
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}
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private static QuizQuestion makeQuestion2() {
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return new MultipleChoiceQuizQuestion(
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2,
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"Which of the following is NOT part of the basic Git workflow?",
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Map.of(
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AnswerChoice.A, "Pull the latest changes",
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AnswerChoice.B, "Commit changes locally",
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AnswerChoice.C, "Push changes to the server",
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AnswerChoice.D, "Write code directly in GitHub"
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),
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AnswerChoice.D
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);
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}
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private static QuizQuestion makeQuestion3() {
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return new MultipleChoiceQuizQuestion(
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3,
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"What command is used to combine changes from different branches?",
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Map.of(
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AnswerChoice.A, "git commit",
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AnswerChoice.B, "git merge",
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AnswerChoice.C, "git branch",
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AnswerChoice.D, "git pull"
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),
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AnswerChoice.B
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);
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}
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private static QuizQuestion makeQuestion4() {
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return new MultipleChoiceQuizQuestion(
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4,
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"Which IDE is being used in the class?",
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Map.of(
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AnswerChoice.A, "Eclipse",
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AnswerChoice.B, "IntelliJ IDEA",
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AnswerChoice.C, "NetBeans",
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AnswerChoice.D, "VS Code"
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),
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AnswerChoice.D
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);
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}
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private static QuizQuestion makeQuestion5() {
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return new MultipleChoiceQuizQuestion(
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5,
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"What feature allows developers to work from the same pre-configured environment in VS Code?",
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Map.of(
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AnswerChoice.A, "Extensions",
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AnswerChoice.B, "Debugger",
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AnswerChoice.C, "Dev Containers",
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AnswerChoice.D, "Source Control"
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),
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AnswerChoice.C
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);
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}
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private static QuizQuestion makeQuestion6() {
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return new MultipleChoiceQuizQuestion(
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6,
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"What is NOT a reason for using an IDE?",
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Map.of(
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AnswerChoice.A, "Editing and refactoring code",
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AnswerChoice.B, "Browsing code",
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AnswerChoice.C, "Playing music",
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AnswerChoice.D, "Managing source control"
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),
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AnswerChoice.C
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);
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}
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private static QuizQuestion makeQuestion7() {
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return new MultipleChoiceQuizQuestion(
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7,
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"What is the command to list files in the current directory?",
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Map.of(
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AnswerChoice.A, "pwd",
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AnswerChoice.B, "ls",
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AnswerChoice.C, "cd",
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AnswerChoice.D, "mkdir"
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),
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AnswerChoice.B
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);
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}
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private static QuizQuestion makeQuestion8() {
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return new MultipleChoiceQuizQuestion(
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8,
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"Which command is used to change directories in the terminal?",
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Map.of(
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AnswerChoice.A, "pwd",
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AnswerChoice.B, "ls",
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AnswerChoice.C, "cd",
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AnswerChoice.D, "mkdir"
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),
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AnswerChoice.C
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);
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}
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private static QuizQuestion makeQuestion9() {
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return new MultipleChoiceQuizQuestion(
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9,
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"What does the command `chmod` do?",
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Map.of(
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AnswerChoice.A, "Change file or directory permissions",
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AnswerChoice.B, "List files in a directory",
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AnswerChoice.C, "Remove a file or directory",
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AnswerChoice.D, "Copy a file or directory"
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),
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AnswerChoice.A
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);
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}
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private static QuizQuestion makeQuestion10() {
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return new MultipleChoiceQuizQuestion(
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10,
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"What is the shortcut for getting to the Mac terminal?",
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Map.of(
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AnswerChoice.A, "⌘ + Shift + T",
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AnswerChoice.B, "⌘ + Spacebar, then type \"terminal\"",
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AnswerChoice.C, "⌘ + Q",
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AnswerChoice.D, "⌘ + S, then type \"terminal\""
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),
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AnswerChoice.B
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);
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}
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}

‎lesson_02/quiz_java/app/src/test/java/quiz_java/Lesson2Test.java‎

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/*
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* This source file was generated by the Gradle 'init' task
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*/
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package org.example;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.List;
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import java.util.Comparator;
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import java.util.List;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertNotEquals;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.DisplayName;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Bean;
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import com.codedifferently.instructional.quiz.AnswerChoice;
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import com.codedifferently.instructional.quiz.QuizConfig;
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import com.codedifferently.instructional.quiz.QuizQuestion;
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@SpringBootTest
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public class Lesson2Test {
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private QuizConfig quizConfig;
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private List<QuizQuestion> quizQuestions;
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private static final int EXPECTED_NUMBER_OF_QUESTIONS = 11;
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@BeforeEach
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public void setUp() {
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quizConfig = new QuizConfig(Paths.get("../quiz.yaml").toAbsolutePath().toString());
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getQuestions();
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}
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private void getQuestions() {
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quizQuestions = Lesson2.makeQuizQuestions();
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quizQuestions.sort(Comparator.comparingInt(QuizQuestion::getQuestionNumber));
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}
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@Test
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@DisplayName("checkQuizQuestions_areAssembledCorrectly")
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public void checkQuizQuestions_areAssembledCorrectly() {
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// Expect the right number of questions.
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assertEquals(EXPECTED_NUMBER_OF_QUESTIONS, quizQuestions.size());
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// Expect questions to be numbered correctly.
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for (int i = 0; i < quizQuestions.size(); i++) {
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assertEquals(i, quizQuestions.get(i).getQuestionNumber());
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}
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}
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@Test
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@DisplayName("checkQuizQuestions_promptsAreUnique")
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public void checkQuizQuestions_promptsAreUnique() {
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Set<String> questionPrompts = new HashSet<>();
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for (QuizQuestion q : quizQuestions) {
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questionPrompts.add(q.getQuestionPrompt());
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}
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assertEquals(EXPECTED_NUMBER_OF_QUESTIONS, questionPrompts.size());
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}
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@Test
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@DisplayName("checkQuestions_answeredCorrectly")
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public void checkQuestions_answeredCorrectly() throws Exception {
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assertEquals(quizQuestions.size(), quizConfig.size("default"));
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for (QuizQuestion question : quizQuestions) {
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AnswerChoice actualAnswer = question.getAnswer();
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// Check that the question was answered.
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assertNotEquals(AnswerChoice.UNANSWERED, actualAnswer);
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// Check that the answer is correct.
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assertTrue(
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quizConfig.checkAnswer(
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"default",
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question.getQuestionNumber(),
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actualAnswer
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)
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);
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}
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}
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}

‎lesson_02/quiz_java/app/src/test/resources/application.yml‎

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quiz:
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answers:
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default:
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- $2y$10$Mijvs3PeAc.DsZBhT4T0jepZqixAOb61iPotSSlIVJGFqpGeBU5dS #0
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- $2y$10$fMlkDDq4L9g2Q0lzdTMG1u7aw6rjJhKh.B0e/AYfQHUsXhCM6UGIS #1
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- $2y$10$wJZxd8Ha4EEbb16UoUcqgO7oOU.h8sUOsv8FGu6gLiuKwtI4RKFT2 #2
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- $2y$10$xAUz.hXIqTamXZg28Hgepe28PS431mmq0WlM48Rji7EkSKD5NfzFy #3
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- $2y$10$hbV87MTi/JH51hdNfBP9juELK6LSAxPagrFqcnXAD3gLIEOCCqENW #4
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- $2y$10$kiOyjtBQ7B2BszTJajO9keCBlOPh4pLM.mzugzWB2vtGkOWCSJ366 #5
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- $2y$10$hCrDJhXV7Gwk0PsBm086p.obO0dk.ZseCfvrx.Vu7U/jqODPaxmFy #6
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- $2y$10$LvnU8fBR2ABdf2/gatkW1e1n5XcFQWSE6QfcUjIMo2g8Gu6p1NPJu #7
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- $2y$10$DQUbiJqDiMpypZ1FEwK1QejNDwk05F6suGWj6PdEowOvvsoLYGzZy #8
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- $2y$10$hzT0JgkSPhMzeuqK4VnD1eoNYkCZ.bg.QL3.VF0vJrmyceWq3bHgC #9
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- $2y$10$qyOdRBWT8MO.naUyhZRMr.VIy1NkxDY.1WvbnlTu2bcXkgTnpCBH2 #10

‎lesson_02/quiz_java/gradle/libs.versions.toml‎

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# This file was generated by the Gradle 'init' task.
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# https://docs.gradle.org/current/userguide/platforms.html#sub::toml-dependencies-format
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[versions]
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guava = "33.0.0-jre"
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junit-jupiter = "5.10.2"
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[libraries]
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guava = { module = "com.google.guava:guava", version.ref = "guava" }
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junit-jupiter = { module = "org.junit.jupiter:junit-jupiter", version.ref = "junit-jupiter" }

‎lesson_02/quiz_java/gradle/wrapper/gradle-wrapper.jar‎

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‎lesson_02/quiz_java/gradle/wrapper/gradle-wrapper.properties‎

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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
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networkTimeout=10000
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validateDistributionUrl=true
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists

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