Лабораторная 10

Author: FleXe13579

students/23K0140/23K0140-p10/pom.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <artifactId>23K0140</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0140-p10</artifactId>
+    <description>Лабораторная 10</description>
+</project>

students/23K0140/23K0140-p10/src/main/java/ru/mirea/practice/s23k0140/tasks/Main.java

@@ -0,0 +1,21 @@
+package ru.mirea.practice.s23k0140.tasks;
+
+public abstract class Main {
+    public static void main(String[] args) {
+        SortingStudentByGpa sort = new SortingStudentByGpa();
+
+        sort.setArray();
+
+        System.out.println("Before: ");
+        sort.outArray();
+
+        sort.quickSort();
+        System.out.println("\nSorting by GPA: ");
+        sort.outArray();
+
+        sort.sortByLastName();
+        System.out.println("\nSorting by Last name: ");
+        sort.outArray();
+
+    }
+}

students/23K0140/23K0140-p10/src/main/java/ru/mirea/practice/s23k0140/tasks/SortingByMerge.java

@@ -0,0 +1,34 @@
+package ru.mirea.practice.s23k0140.tasks;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+
+public abstract class SortingByMerge {
+    public static List<Student> mergeSort(List<Student> list1, List<Student> list2) {
+
+        List<Student> mergedList = new ArrayList<>(list1);
+        mergedList.addAll(list2);
+
+        mergedList.sort(Comparator.comparingDouble(Student::getGpa).reversed());
+        return mergedList;
+    }
+
+    public static void main(String[] args) {
+
+        List<Student> list1 = new ArrayList<>();
+        list1.add(new Student("Aleksandr", "Pushkin", "Computer Science", 2, "KVBO-01", 4.8));
+        list1.add(new Student("Lev", "Tolstoy", "Artificial Intelegence", 1, "KABO-03", 3.1));
+
+        List<Student> list2 = new ArrayList<>();
+        list2.add(new Student("Sergey", "Esenin", "Programming", 2, "KBB0-04", 2.9));
+        list2.add(new Student("Ivan", "Turgenev", "Physics", 4, "KKCO-02", 5.0));
+
+        List<Student> mergedList = mergeSort(list1, list2);
+
+        System.out.println("Merged and sorted student list:");
+        for (Student student : mergedList) {
+            System.out.println(student);
+        }
+    }
+}

students/23K0140/23K0140-p10/src/main/java/ru/mirea/practice/s23k0140/tasks/SortingStudentByGpa.java

@@ -0,0 +1,35 @@
+package ru.mirea.practice.s23k0140.tasks;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+
+public class SortingStudentByGpa {
+
+    private final List<Student> students;
+
+    public SortingStudentByGpa() {
+        this.students = new ArrayList<>();
+    }
+
+    public void setArray() {
+        students.add(new Student("Aleksandr", "Pushkin", "Computer Science", 2, "KVBO-01", 4.8));
+        students.add(new Student("Lev", "Tolstoy", "Artificial Intelegence", 1, "KABO-03", 3.1));
+        students.add(new Student("Sergey", "Esenin", "Programming", 2, "KBB0-04", 2.9));
+        students.add(new Student("Ivan", "Turgenev", "Physics", 4, "KKCO-02", 5.0));
+    }
+
+    public void outArray() {
+        for (Student student : students) {
+            System.out.println(student);
+        }
+    }
+
+    public void quickSort() {
+        students.sort(Comparator.comparingDouble(Student::getGpa).reversed());
+    }
+
+    public void sortByLastName() {
+        students.sort(Comparator.comparing(Student::toString));
+    }
+}

students/23K0140/23K0140-p10/src/main/java/ru/mirea/practice/s23k0140/tasks/Student.java

@@ -0,0 +1,28 @@
+package ru.mirea.practice.s23k0140.tasks;
+
+public class Student {
+    private final String firstName;
+    private final String lastName;
+    private final String speciality;
+    private final int course;
+    private final String group;
+    private final double gpa;
+
+    public Student(String firstName, String lastName, String speciality, int course, String group, double gpa) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.speciality = speciality;
+        this.course = course;
+        this.group = group;
+        this.gpa = gpa;
+    }
+
+    public double getGpa() {
+        return gpa;
+    }
+
+    public String toString() {
+        return "Student{FirstName: " + firstName + ", LastName: " + lastName + ", Speciality: "
+                + speciality + ", Course: " + course + ", Group: " + group + ", gpa: " + gpa + "}";
+    }
+}

students/23K0140/pom.xml

@@ -23,5 +23,6 @@
         <module>23K0140-p07</module>
         <module>23K0140-p08</module>
         <module>23K0140-p09</module>
+        <module>23K0140-p10</module>
     </modules>
 </project>