task_1_4_1

.gitignore

@@ -1,2 +1,3 @@
 .DS_Store
-.vscode
+.vscode
+.fake

task_1_4_1/.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
+

task_1_4_1/.gitignore

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

task_1_4_1/app/build.gradle

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+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * This generated file contains a sample Java application project to get you started.
+ * For more details on building Java & JVM projects, please refer to https://docs.gradle.org/8.4/userguide/building_java_projects.html in the Gradle documentation.
+ */
+
+plugins {
+    // Apply the application plugin to add support for building a CLI application in Java.
+    id 'application'
+    id 'jacoco'
+}
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+}
+
+dependencies {
+    // Use JUnit Jupiter for testing.
+    testImplementation 'org.junit.jupiter:junit-jupiter:5.9.3'
+
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+    // This dependency is used by the application.
+    implementation 'com.google.guava:guava:32.1.1-jre'
+}
+
+// Apply a specific Java toolchain to ease working on different environments.
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(20)
+    }
+}
+
+application {
+    // Define the main class for the application.
+    mainClass = 'task.StudentBook'
+}
+
+tasks.named('test') {
+    // Use JUnit Platform for unit tests.
+    useJUnitPlatform()
+}
+
+jacocoTestReport {
+    reports {
+        xml.required = true
+    }
+}

task_1_4_1/app/src/main/java/task/ExcludeFromJacocoGeneratedReport.java

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+package task;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Excluding From Jacoco Test Report interface.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface ExcludeFromJacocoGeneratedReport {
+}

task_1_4_1/app/src/main/java/task/Grade.java

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+package task;
+
+/**
+ * Class represents subject grade in gradebook.
+ */
+public class Grade {
+
+    /**
+     * Name of subject.
+     */
+    private String subject;
+
+    /**
+     * Grade for this subject.
+     */
+    private int mark;
+
+    /**
+     * Boolean variable. True if mark is differentiated, false otherwise.
+     */
+    private boolean differentiated;
+
+    /**
+     * Constructor of Grade class.
+     *
+     * @param subject        name of the subject.
+     * @param mark           grade for this subject.
+     * @param differentiated boolean variable. True if mark is differentiated, false otherwise.
+     * @throws GradeException special exception for GradeBook class. Contains information message.
+     */
+    public Grade(String subject, int mark, boolean differentiated) throws GradeException {
+        this.subject = subject;
+        this.differentiated = differentiated;
+        this.setMark(mark);
+    }
+
+    /**
+     * Getter for mark.
+     *
+     * @return mark for subject.
+     */
+    public int getMark() {
+        return mark;
+    }
+
+    /**
+     * Setter for mark.
+     *
+     * @param mark mark.
+     * @throws GradeException special exception for GradeBook class. Contains information message.
+     */
+    public void setMark(int mark) throws GradeException {
+        if (mark < 2 || mark > 5) {
+            throw new GradeException("Mark must be between 2 and 5.\n");
+        }
+        if (differentiated) {
+            this.mark = mark;
+        } else {
+            this.mark = mark > 2 ? 5 : 2;
+        }
+    }
+
+    /**
+     * Getter for subject.
+     *
+     * @return name of the subject.
+     */
+    public String getSubject() {
+        return subject;
+    }
+
+    /**
+     * Setter for subject.
+     *
+     * @param subject name of the subject.
+     */
+    public void setSubject(String subject) {
+        this.subject = subject;
+    }
+
+    /**
+     * Getter for differentiated.
+     *
+     * @return true if mark is differentiated, false otherwise.
+     */
+    public boolean isDifferentiated() {
+        return differentiated;
+    }
+
+    /**
+     * Setter for differentiated.
+     *
+     * @param differentiated boolean variable. True if mark is differentiated, false otherwise.
+     */
+    public void setDifferentiated(boolean differentiated) {
+        this.differentiated = differentiated;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((subject == null) ? 0 : subject.hashCode());
+        result = prime * result + mark;
+        result = prime * result + (differentiated ? 1231 : 1237);
+        return result;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @ExcludeFromJacocoGeneratedReport
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        Grade other = (Grade) obj;
+        if (subject == null) {
+            if (other.subject != null) {
+                return false;
+            }
+        } else if (!subject.equals(other.subject)) {
+            return false;
+        }
+        if (mark != other.mark) {
+            return false;
+        }
+        if (differentiated != other.differentiated) {
+            return false;
+        }
+        return true;
+    }
+}