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package com.example.whatever;

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.stage.Stage;
import org.jetbrains.annotations.NotNull;

import java.io.IOException;
import java.util.Scanner;

public class HelloApplication extends Application {
    @Override
    public void start(Stage stage) throws IOException {
        FXMLLoader fxmlLoader = new FXMLLoader(HelloApplication.class.getResource("hello-view.fxml"));
        Scene scene = new Scene(fxmlLoader.load(), 320, 240);
        stage.setTitle("Hello!");
        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        welcome();
    }

    public static void welcome() {
        Scanner scan = new Scanner(System.in);
        System.out.println("Welcome, how big do you want the group to be?");
        try{
            int size = scan.nextInt();
            if(size<=0) {
                System.out.println("Size is smaller than 1, therefore cant do much");
            } else{
                Group group = new Group(size);
                runRoll(size, scan, group);
            }
        } catch(IllegalArgumentException e){
            e.printStackTrace();
        }
    }

    private static void runRoll(int size, Scanner scan, Group group) {
        for(int i=0; i<size; i++){
            System.out.println("Please enter a student (StudentNumber FirstName LastName):");
            int st = scan.nextInt();
            if (st == -1) {
                break;
            }
            String firstName = scan.next();
            String lastName = scan.next();
            scan.nextLine();
            Student student = new Student(firstName, lastName, st);
            group.addStudent(student);
            printGroup(group);
        }
    }

    private static void printGroup(Group group) {
        Student[] all = group.getAll();
        for (Student st : all) {
            if (st != null) {
                System.out.println(st.getFirstName() + " " + st.getLastName() + ", s" + st.getStNumber());
            }
        }
    }

}
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