MP-21.1: added new classes

build.gradle

@@ -15,11 +15,16 @@ sourceSets {
             srcDirs = ['src']
         }
     }
+    test{
+        java{
+        }
+    }
 }
 
 dependencies {
     testImplementation platform('org.junit:junit-bom:5.10.0')
     testImplementation 'org.junit.jupiter:junit-jupiter'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
 }
 
 test {

settings.gradle

@@ -1,2 +1,3 @@
 rootProject.name = 'java-core'
+include 'test'
 

src/ru/mentee/power/datatype/Mentee.java

@@ -0,0 +1,69 @@
+package ru.mentee.power.datatype;
+
+public class Mentee {
+    private String name;
+    private String surname;
+    private int age;
+    private double avgGrade;
+    private int level;
+
+    public Mentee(String name, String surname, int age, double avgGrade, int level) {
+        this.name = name;
+        this.surname = surname;
+        this.age = age;
+        this.avgGrade = avgGrade;
+        this.level = level > 5 || level < 1 ? 1 : level;
+    }
+
+    public void displayInfo() {
+        System.out.printf("Менти: %s %s\n Возраст: %d\n Средний балл: %f\n Уровень: %d\n"
+                , this.name, this.surname, this.age, this.avgGrade, this.level);
+
+    }
+
+    public boolean isExcellent() {
+        return avgGrade >= 4.5;
+    }
+
+    public boolean advanceToNextLevel() {
+        if (level < 5) {
+            level++;
+            return true;
+        }
+        return false;
+    }
+
+    public int calculateScholarship() {
+        if (avgGrade >= 4.5)
+            return 2000;
+        else if (avgGrade >= 4.0)
+            return 1500;
+        else return 1000;
+    }
+
+    // Геттеры и сеттеры для доступа к приватным полям
+    public String getFirstName() {
+        return name;
+    }
+
+    public String getLastName() {
+        return surname;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public double getAverageGrade() {
+        return avgGrade;
+    }
+
+    public void setAverageGrade(double averageGrade) {
+        this.avgGrade = averageGrade;
+    }
+
+    public int getLevel() {
+        return level;
+    }
+
+}

src/ru/mentee/power/datatype/MenteeDemo.java

@@ -0,0 +1,22 @@
+package ru.mentee.power.datatype;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MenteeDemo {
+    public static void main(String[] args) {
+        List<Mentee> menteeList = new ArrayList<>();
+
+        menteeList.add( new Mentee("Alexandr", "Poltavets", 25, 4.7, 1));
+        menteeList.add(new Mentee("Ivan", "Ivanov", 23, 3.5, 2));
+        menteeList.add( new Mentee("Sveta", "Igoreva", 27, 4.1, 3));
+
+        for (Mentee mentee : menteeList){
+            mentee.displayInfo();
+            System.out.printf("%s является отличником? %b\n", mentee.getFirstName(), mentee.isExcellent());
+            mentee.advanceToNextLevel();
+        }
+
+
+    }
+}

src/test/java/MenteeTest.java

@@ -0,0 +1,72 @@
+
+import org.junit.jupiter.api.Test;
+import ru.mentee.power.datatype.Mentee;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class MenteeTest {
+
+    @Test
+    public void testMenteeCreation() {
+        Mentee mentee = new Mentee("Иван", "Иванов", 20, 4.2, 2);
+
+        assertEquals("Иван", mentee.getFirstName());
+        assertEquals("Иванов", mentee.getLastName());
+        assertEquals(20, mentee.getAge());
+        assertEquals(4.2, mentee.getAverageGrade(), 0.001);
+        assertEquals(2, mentee.getLevel());
+    }
+
+    @Test
+    public void testIsExcellent() {
+        Mentee excellentMentee = new Mentee("Мария", "Петрова", 19, 4.8, 1);
+        Mentee averageMentee = new Mentee("Петр", "Сидоров", 21, 3.9, 3);
+
+        assertTrue(excellentMentee.isExcellent());
+        assertFalse(averageMentee.isExcellent());
+    }
+
+    @Test
+    public void testAdvanceToNextLevel() {
+        Mentee junior = new Mentee("Алексей", "Смирнов", 18, 4.0, 1);
+        Mentee senior = new Mentee("Ольга", "Козлова", 22, 4.7, 5);
+
+        assertTrue(junior.advanceToNextLevel());
+        assertEquals(2, junior.getLevel());
+
+        assertFalse(senior.advanceToNextLevel());
+        assertEquals(5, senior.getLevel());
+    }
+
+    @Test
+    public void testInvalidLevelValue() {
+        Mentee mentee1 = new Mentee("Дмитрий", "Попов", 19, 4.3, 0);
+        Mentee mentee2 = new Mentee("Анна", "Соколова", 20, 4.5, 6);
+
+        // Значения уровня должны быть скорректированы до 1
+        assertEquals(1, mentee1.getLevel());
+        assertEquals(1, mentee2.getLevel());
+    }
+
+    @Test
+    public void testCalculateScholarship() {
+        // Отличник - высшая стипендия
+        Mentee excellentMentee = new Mentee("Мария", "Ивановна", 19, 4.8, 1);
+        assertEquals(2000, excellentMentee.calculateScholarship());
+
+        // Хорошист - средняя стипендия
+        Mentee goodMentee = new Mentee("Алексей", "Смирнов", 18, 4.2, 1);
+        assertEquals(1500, goodMentee.calculateScholarship());
+
+        // Средний балл ниже 4.0 - базовая стипендия
+        Mentee averageMentee = new Mentee("Петр", "Сидоров", 21, 3.9, 3);
+        assertEquals(1000, averageMentee.calculateScholarship());
+
+        // Граничные значения
+        Mentee borderlineMentee1 = new Mentee("Ольга", "Козлова", 22, 4.5, 5); // Ровно 4.5
+        assertEquals(2000, borderlineMentee1.calculateScholarship());
+
+        Mentee borderlineMentee2 = new Mentee("Иван", "Иванов", 20, 4.0, 2); // Ровно 4.0
+        assertEquals(1500, borderlineMentee2.calculateScholarship());
+    }
+}