69 lines
3.6 KiB
Java
69 lines
3.6 KiB
Java
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import java.util.Scanner;
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import java.util.Arrays;
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import java.util.Comparator;
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public class Lab4 {
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public static void main(String[] args) {
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Students student1 = new Students("Максим", 22, "ФІОТ", 91, 8);
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Students students2 = new Students("Ольга", 19, "ФЕА", 34, 4);
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Students students3 = new Students("Владислав", 18, "ФММ", 55, 10);
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Students students4 = new Students("Марія", 20, "ХТФ", 11, 6);
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Students students5 = new Students("Петро", 23, "ФМФ", 78, 2);
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Students[] students = {student1, students2, students3, students4, students5};
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System.out.println("Список студентів: ");
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System.out.println(String.format("%-9s | %-3s | %-9s | %-11s | %s", "Ім'я", "Вік", "Факультет", "Номер групи", "Рівень знань(від 0 до 10)"));
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for (Students student : students) {
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System.out.println(String.format("%-9s | %-3s | %-9s | %-11s | %s", student.getName(), student.getAge(), student.getNameOfFaculty(), student.getNumberOfGroup(), student.getLvlOfKnowledge()));
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}
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Scanner scan = new Scanner(System.in);
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System.out.println("Введіть за чим сортувати: ");
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System.out.println("1 - Зростання \n2 - Спадання:");
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int incOrDec = scan.nextInt();
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System.out.println("Введіть за чим хочете сортувати: ");
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System.out.println("1 - Ім'я \n2 - Вік \n3 - Факультет\n4 - Група\n5 - Рівень знань: ");
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int num = scan.nextInt();
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if (incOrDec == 1) {
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switch (num) {
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case 1:
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Arrays.sort(students, Comparator.comparing(Students::getName));
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break;
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case 2:
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Arrays.sort(students, Comparator.comparingInt(Students::getAge));
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break;
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case 3:
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Arrays.sort(students, Comparator.comparing(Students::getNameOfFaculty));
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break;
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case 4:
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Arrays.sort(students, Comparator.comparingInt(Students::getNumberOfGroup));
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break;
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case 5:
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Arrays.sort(students, Comparator.comparingInt(Students::getLvlOfKnowledge));
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break;
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}
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} else {
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switch (num) {
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case 1:
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Arrays.sort(students, Comparator.comparing(Students::getName).reversed());
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break;
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case 2:
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Arrays.sort(students, Comparator.comparingInt(Students::getAge).reversed());
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break;
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case 3:
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Arrays.sort(students, Comparator.comparing(Students::getNameOfFaculty).reversed());
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break;
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case 4:
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Arrays.sort(students, Comparator.comparingInt(Students::getNumberOfGroup).reversed());
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break;
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case 5:
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Arrays.sort(students, Comparator.comparingInt(Students::getLvlOfKnowledge).reversed());
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break;
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}
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}
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System.out.println(String.format("%-9s | %-3s | %-9s | %-11s | %s", "Ім'я", "Вік", "Факультет", "Номер групи", "Рівень знань(від 0 до 10)"));
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for (Students student : students) {
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System.out.println(String.format("%-9s | %-3s | %-9s | %-11s | %s", student.getName(), student.getAge(), student.getNameOfFaculty(), student.getNumberOfGroup(), student.getLvlOfKnowledge()));
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}
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}
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}
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