feat(quiz_java): Java port of quiz app using codedifferently-instructional

lesson_02/quiz_java/.gitattributes

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

lesson_02/quiz_java/.gitignore

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

lesson_02/quiz_java/app/build.gradle.kts

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+/*
+This file was generated by the Gradle 'init' task.
+*/
+
+
+plugins {
+    java
+   id("org.springframework.boot") version "3.1.0"
+   id("io.spring.dependency-management") version "1.1.0"
+   application
+}
+
+
+java {
+   toolchain {
+       languageVersion.set(JavaLanguageVersion.of(21))
+   }
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation("org.apache.commons:commons-text:1.10.0")
+    implementation(project(":codedifferently-instructional:instructional-lib"))  // <-- the link to the specific module
+    testImplementation("org.junit.jupiter:junit-jupiter:5.10.2")
+    implementation("org.springframework.boot:spring-boot-starter")
+    testImplementation("org.springframework.boot:spring-boot-starter-test")
+
+}
+
+
+
+application {
+   // Define the main class for the application.
+   application { mainClass.set("quiz_java.App") }
+tasks.test { useJUnitPlatform() }
+
+}
+

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

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+
+/*
+ * This source file was generated by the Gradle 'init' task
+ */
+package quiz_java;
+
+/**
+ * Java port of the assignment app using codedifferently-instructional library
+ */
+public class App {
+    public static void main(String[] args) {
+        System.out.println("Starting Quiz Java Application...");
+
+        try {
+            // Initialize and run the lesson
+            Lesson2 lesson = new Lesson2();
+            lesson.run();
+
+        } catch (Exception e) {
+            System.err.println("Error running quiz: " + e.getMessage());
+            e.printStackTrace();
+        }
+    }
+}
+
+

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

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

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

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+/*
+ * This source file was generated by the Gradle 'init' task
+ */
+package quiz_java;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class AppTest {
+    @Test void appCanInstantiate() {
+        App classUnderTest = new App();
+        assertNotNull(classUnderTest, "app should be instantiable");
+    }
+
+    @Test void lesson2CanInstantiate() {
+        Lesson2 lesson = new Lesson2();
+        assertNotNull(lesson, "Lesson2 should be instantiable");
+    }
+}

lesson_02/quiz_java/gradle/libs.versions.toml

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

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

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