Add first version of student-management following gradle lecture

.gitattributes

+#
+# 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
+

.gitignore

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

.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml

.idea/compiler.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="17" />
+  </component>
+</project>
\ No newline at end of file

.idea/gradle.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <compositeConfiguration>
+          <compositeBuild compositeDefinitionSource="SCRIPT">
+            <builds>
+              <build path="$PROJECT_DIR$/buildSrc" name="buildSrc">
+                <projects>
+                  <project path="$PROJECT_DIR$/buildSrc" />
+                </projects>
+              </build>
+            </builds>
+          </compositeBuild>
+        </compositeConfiguration>
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="#JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/api" />
+            <option value="$PROJECT_DIR$/buildSrc" />
+            <option value="$PROJECT_DIR$/core" />
+            <option value="$PROJECT_DIR$/data" />
+            <option value="$PROJECT_DIR$/models" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file

.idea/jarRepositories.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenRepo" />
+      <option name="name" value="MavenRepo" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Gradle Central Plugin Repository" />
+      <option name="name" value="Gradle Central Plugin Repository" />
+      <option name="url" value="https://plugins.gradle.org/m2" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file

.idea/kotlinc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="1.8.10" />
+  </component>
+</project>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK" />
+  <component name="SuppressKotlinCodeStyleNotification">
+    <option name="disableForAll" value="true" />
+  </component>
+</project>
\ No newline at end of file

.idea/uiDesigner.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>
\ No newline at end of file

api/build.gradle.kts

+/*
+ * This file was generated by the Gradle 'init' task.
+ */
+
+plugins {
+    id("student.management.java-application-conventions")
+}
+
+dependencies {
+    implementation(project(":models"))
+    implementation(project(":core"))
+
+    // https://mvnrepository.com/artifact/com.google.code.gson/gson
+    implementation("com.google.code.gson:gson:2.9.0")
+
+}
+
+application {
+    // Define the main class for the application.
+    mainClass.set("student.management.api.App")
+}

api/src/main/java/student/management/api/App.java

+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
+package student.management.api;
+
+import student.management.api.runners.AppRunner;
+import student.management.api.runners.impl.ConsoleAppRunner;
+import student.management.core.services.in_memory_services.InMemoryServiceInitializer;
+
+public class App {
+    public static void main(String[] args) {
+        AppRunner appRunner = new ConsoleAppRunner(new InMemoryServiceInitializer());
+        appRunner.handleRequests();
+    }
+}

api/src/main/java/student/management/api/runners/AppRunner.java

+package student.management.api.runners;
+
+public interface AppRunner {
+
+    void handleRequests();
+
+    void showOptions();
+}

api/src/main/java/student/management/api/runners/impl/ConsoleAppRunner.java

+package student.management.api.runners.impl;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import student.management.api.runners.AppRunner;
+import student.management.core.exc.ConflictingRequestParametersException;
+import student.management.core.exc.InvalidEntityArgumentsException;
+import student.management.core.exc.UnidentifiableEntityException;
+import student.management.core.services.CourseService;
+import student.management.core.services.GradeService;
+import student.management.core.services.StudentService;
+import student.management.core.services.TeacherService;
+import student.management.core.services.in_memory_services.InMemoryServiceInitializer;
+import student.management.models.dtos.create_dto.CourseCreateDto;
+import student.management.models.dtos.create_dto.StudentCreateDto;
+import student.management.models.dtos.create_dto.TeacherCreateDto;
+import student.management.models.dtos.response_dto.CourseResponseDto;
+import student.management.models.dtos.response_dto.StudentResponseDto;
+import student.management.models.dtos.response_dto.TeacherResponseDto;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+import java.util.function.Supplier;
+
+public class ConsoleAppRunner implements AppRunner {
+    private static final int FUNCTIONALITIES_COUNT = 8;
+    private final CourseService courseService;
+    private final StudentService studentService;
+    private final TeacherService teacherService;
+    private final GradeService gradeService;
+    private final Scanner scanner;
+    private final Gson gson;
+
+    private final List<Supplier<String>> options;
+    private final List<String> optionTitles;
+    private final List<String> optionParameters;
+
+    public ConsoleAppRunner(InMemoryServiceInitializer serviceInitializer) {
+        this.courseService = serviceInitializer.getCourseService();
+        this.studentService = serviceInitializer.getStudentService();
+        this.teacherService = serviceInitializer.getTeacherService();
+        this.gradeService = serviceInitializer.getGradeService();
+
+        this.scanner = new Scanner(System.in);
+        this.gson = new GsonBuilder().setPrettyPrinting().create();
+
+        this.options = new ArrayList<>();
+        this.optionTitles = new ArrayList<>();
+        this.optionParameters = new ArrayList<>();
+
+        this.setUpAllFunc();
+    }
+
+    @Override
+    public void handleRequests() {
+        this.showOptions();
+
+        String input;
+        while (!(input = scanner.nextLine()).equals("End")) {
+            int commandIndex;
+            try {
+                commandIndex = Integer.parseInt(input);
+            } catch (NumberFormatException e) {
+                System.out.println("Please select a number from the menu");
+                this.showOptions();
+                continue;
+            }
+
+            if (commandIndex < 0 || commandIndex >= this.options.size()) {
+                System.out.println("Please select a number from the menu");
+                this.showOptions();
+                continue;
+            }
+
+            if (commandIndex == this.options.size() - 1) {
+                break;
+            }
+
+            this.showParameters(commandIndex);
+            System.out.println(this.options.get(commandIndex).get());
+
+            this.showOptions();
+        }
+    }
+
+    private String addNewCourse() {
+        String[] components = scanner.nextLine().split("/");
+        String name = components[0];
+        int totalHours = Integer.parseInt(components[1]);
+
+        String response;
+        try {
+            CourseResponseDto course = this.courseService.create(new CourseCreateDto(name, totalHours));
+            response = this.gson.toJson(course);
+        } catch (InvalidEntityArgumentsException e) {
+            response = e.getMessage();
+        }
+
+        return response;
+    }
+
+    private String addNewStudent() {
+        String[] components = scanner.nextLine().split("/");
+        String name = components[0];
+        int age = Integer.parseInt(components[1]);
+
+        String response;
+        try {
+            StudentResponseDto student = this.studentService.create(new StudentCreateDto(name, age));
+            response = this.gson.toJson(student);
+        } catch (InvalidEntityArgumentsException e) {
+            response = e.getMessage();
+        }
+
+        return response;
+    }
+
+    private String addNewTeacher() {
+        String[] components = scanner.nextLine().split("/");
+        String name = components[0];
+        String degree = components[1];
+
+        String response;
+        try {
+            TeacherResponseDto teacher = this.teacherService.create(new TeacherCreateDto(name, degree));
+            response = this.gson.toJson(teacher);
+        } catch (InvalidEntityArgumentsException e) {
+            response = e.getMessage();
+        }
+
+        return response;
+    }
+
+    private String addTeacherToCourse() {
+        String[] components = scanner.nextLine().split("/");
+        long courseId = Long.parseLong(components[0]);
+        long teacherId = Long.parseLong(components[1]);
+
+        String response;
+        try {
+            response = this.courseService.addTeacherTo(courseId, teacherId);
+        } catch (UnidentifiableEntityException e) {
+            response = e.getMessage();
+        }
+
+        return response;
+    }
+
+    private String removeTeacherFromCourse() {
+        String[] components = scanner.nextLine().split("/");
+        long courseId = Long.parseLong(components[0]);
+
+        String response;
+        try {
+            response = this.courseService.removeTeacherFor(courseId);
+        } catch (UnidentifiableEntityException e) {
+            response = e.getMessage();
+        }
+
+        return response;
+    }
+
+    private String addStudentToCourse() {
+        String[] components = scanner.nextLine().split("/");
+        long courseId = Long.parseLong(components[0]);
+        long studentId = Long.parseLong(components[1]);
+
+        String response;
+        try {
+            response = this.courseService.addStudentTo(courseId, studentId);
+        } catch (UnidentifiableEntityException e) {
+            response = e.getMessage();
+        }
+
+        return response;
+    }
+
+    private String addGradeForStudentInCourse() {
+        String[] components = scanner.nextLine().split("/");
+        long courseId = Long.parseLong(components[0]);
+        long studentId = Long.parseLong(components[1]);
+        double grade = Double.parseDouble(String.format("%.2f", Double.parseDouble(components[2])));
+
+        String response;
+        try {
+            response = this.courseService.addGradeForStudentIn(courseId, studentId, grade);
+        } catch (UnidentifiableEntityException | InvalidEntityArgumentsException |
+                 ConflictingRequestParametersException e) {
+            response = e.getMessage();
+        }
+
+        return response;
+    }
+
+    private String showStudentsWithAvgGradeForCourse() {
+        long courseId = Long.parseLong(scanner.nextLine());
+
+        String response;
+        try {
+            response = this.gson.toJson(this.courseService.findAvgGradeFor(courseId));
+        } catch (UnidentifiableEntityException e) {
+            response = e.getMessage();
+        }
+
+        return response;
+    }
+
+    private String showCoursesWithTeacherAndStudents() {
+        return this.gson.toJson(this.courseService.findAll());
+    }
+
+    private String showStudentsGroupedByCourseAscWithAvgGradeAsc() {
+        return this.gson.toJson(this.courseService.findCoursesByNameAsc_WithStudentsAvgGradeAsc());
+    }
+
+    private String showAvgGradeForStudent() {
+        long studentId = Long.parseLong(scanner.nextLine());
+
+        String response;
+        try {
+            response = this.gson.toJson(this.studentService.getStudentWithAvgGrade(studentId));
+        } catch (UnidentifiableEntityException e) {
+            response = e.getMessage();
+        }
+
+        return response;
+    }
+
+    public String closeRunner() {
+        scanner.close();
+        return "End";
+    }
+
+    @Override
+    public void showOptions() {
+        System.out.println(String.join(System.lineSeparator(), this.optionTitles));
+    }
+
+    private void showParameters(int i) {
+        System.out.println(this.optionParameters.get(i));
+    }
+
+    private void setUpAllFunc() {
+        int counter = 0;
+        
+        this.setUpFunc(counter++, "Add new course", "{name}/{totalHours}", this::addNewCourse);
+        this.setUpFunc(counter++, "Add new student", "{name}/{age}", this::addNewStudent);
+        this.setUpFunc(counter++, "Add new teacher", "{name}/{degree} -> (Master, Bachelor, Doctorate)", this::addNewTeacher);
+        this.setUpFunc(counter++, "Add a teacher to a specific course", "{courseId}/{teacherId}", this::addTeacherToCourse);
+        this.setUpFunc(counter++, "Remove a teacher from a specific course", "{courseId}", this::removeTeacherFromCourse);
+        this.setUpFunc(counter++, "Add a student to a specific course", "{courseId}/{studentId}", this::addStudentToCourse);
+        this.setUpFunc(counter++, "Add a grade for a student in a specific course", "{courseId}/{studentId}/{grade} -> between 2.0 and 6.0", this::addGradeForStudentInCourse);
+        this.setUpFunc(counter++, "Show all students grouped by course alphabetically and then by their average grade for the course ascending", "", this::showStudentsGroupedByCourseAscWithAvgGradeAsc);
+        this.setUpFunc(counter++, "Show all courses and their teachers and students", "", this::showCoursesWithTeacherAndStudents);
+        this.setUpFunc(counter++, "Show the average grade for all students in a specific course", "{courseId}", this::showStudentsWithAvgGradeForCourse);
+        this.setUpFunc(counter++, "Show a total average grade for a student", "{studentId}", this::showAvgGradeForStudent);
+        this.setUpFunc(counter++, "End", "", this::closeRunner);
+    }
+
+    private void setUpFunc(int index, String title, String parameters, Supplier<String> supplier) {
+        this.options.add(supplier);
+        this.optionTitles.add(index + "." + title);
+        this.optionParameters.add(parameters);
+    }
+}

api/src/test/java/student/management/api/MessageUtilsTest.java

+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
+package student.management.api;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class MessageUtilsTest {
+    @Test void testGetMessage() {
+        assertEquals("Hello      World!", MessageUtils.getMessage());
+    }
+}

buildSrc/build.gradle.kts

+/*
+ * This file was generated by the Gradle 'init' task.
+ */
+
+plugins {
+    // Support convention plugins written in Kotlin. Convention plugins are build scripts in 'src/main' that automatically become available as plugins in the main build.
+    `kotlin-dsl`
+}
+
+repositories {
+    // Use the plugin portal to apply community plugins in convention plugins.
+    gradlePluginPortal()
+}

buildSrc/settings.gradle.kts

+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * This settings file is used to specify which projects to include in your build-logic build.
+ */
+
+rootProject.name = "buildSrc"

buildSrc/src/main/kotlin/student.management.java-application-conventions.gradle.kts

+/*
+ * This file was generated by the Gradle 'init' task.
+ */
+
+plugins {
+    // Apply the common convention plugin for shared build configuration between library and application projects.
+    id("student.management.java-common-conventions")
+
+    // Apply the application plugin to add support for building a CLI application in Java.
+    application
+}

buildSrc/src/main/kotlin/student.management.java-common-conventions.gradle.kts

+/*
+ * This file was generated by the Gradle 'init' task.
+ */
+
+plugins {
+    // Apply the java Plugin to add support for Java.
+    java
+}
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+}
+
+dependencies {
+    constraints {
+        // Define dependency versions as constraints
+        implementation("org.apache.commons:commons-text:1.10.0")
+    }
+
+    // Use JUnit Jupiter for testing.
+    testImplementation("org.junit.jupiter:junit-jupiter:5.9.1")
+}
+
+tasks.named<Test>("test") {
+    // Use JUnit Platform for unit tests.
+    useJUnitPlatform()
+}

buildSrc/src/main/kotlin/student.management.java-library-conventions.gradle.kts

+/*
+ * This file was generated by the Gradle 'init' task.
+ */
+
+plugins {
+    // Apply the common convention plugin for shared build configuration between library and application projects.
+    id("student.management.java-common-conventions")
+
+    // Apply the java-library plugin for API and implementation separation.
+    `java-library`
+}

core/build.gradle.kts

+/*
+ * This file was generated by the Gradle 'init' task.
+ */
+
+plugins {
+    id("student.management.java-library-conventions")
+}
+
+dependencies {
+    implementation(project(":models"))
+    implementation(project(":data"))
+
+}