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Update lab4

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kxtzzl 2023-04-03 10:56:11 +03:00 committed by GitHub
parent 9493c4974d
commit 4f86e8cf76
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1 changed files with 4 additions and 7 deletions
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lab4
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@ -2,7 +2,7 @@ import java.util.Arrays;
import java.util.Comparator; import java.util.Comparator;
import java.util.Scanner; import java.util.Scanner;
public class lab4 { public class Lab4 {
public static class Student { public static class Student {
private int grBook; private int grBook;
@ -58,7 +58,7 @@ public class lab4 {
Scanner scanner = new Scanner(System.in); Scanner scanner = new Scanner(System.in);
boolean quit = false; boolean quit = false;
while (!quit) { while (!quit) {
// Ask user which field and order to sort by
System.out.print("\nEnter the field to sort by (greed book, name, age, gpa, faculty) or enter 'quit' to exit: "); System.out.print("\nEnter the field to sort by (greed book, name, age, gpa, faculty) or enter 'quit' to exit: ");
String input = scanner.nextLine(); String input = scanner.nextLine();
@ -76,13 +76,11 @@ public class lab4 {
System.out.print("Enter the sort order (asc or desc): "); System.out.print("Enter the sort order (asc or desc): ");
String order = scanner.nextLine(); String order = scanner.nextLine();
// Check if the sort order input is valid
if (!order.equals("asc") && !order.equals("desc")) { if (!order.equals("asc") && !order.equals("desc")) {
System.out.println("Invalid sort order! Please enter 'asc' or 'desc'."); System.out.println("Invalid sort order! Please enter 'asc' or 'desc'.");
continue; continue;
} }
// Sort the students array
Comparator<Student> comparator = null; Comparator<Student> comparator = null;
switch (field) { switch (field) {
case "greed book": case "greed book":
@ -105,8 +103,7 @@ public class lab4 {
comparator = comparator.reversed(); comparator = comparator.reversed();
} }
Arrays.sort(students, comparator); Arrays.sort(students, comparator);
// Print the sorted students array
System.out.println("\nSorted by " + field + " (in " + order + "ending order):"); System.out.println("\nSorted by " + field + " (in " + order + "ending order):");
System.out.println(String.format("%n%-15s | %-20s | %-4s | %-4s | %-10s", "Greed book", "Name", "Age", "GPA", " Faculty")); System.out.println(String.format("%n%-15s | %-20s | %-4s | %-4s | %-10s", "Greed book", "Name", "Age", "GPA", " Faculty"));
System.out.println("----------------------------------------------------------------"); System.out.println("----------------------------------------------------------------");