I’m trying to get an output from a Bubblesort algorythm. (which I’m currently doing with system print out) to be displayed in a jlable in a another class when im pressing a JButton.
Im farly new to java so i don’t rlly know that much but i think i need to make the string where the output is stored public but i don’t know how without messing up the Bubblesort code….

Thanks in advance

I have three classes.

MainClass

public class MainClass {

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

MeinFrame

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Arrays;


public class MeinFrame extends JFrame implements ActionListener{

    JButton button;
    JLabel ausgabe;
    
    MeinFrame(){

        //JPanel panel = new JPanel();
        //panel.setBackground(Color.gray);
        //panel.setBounds(0, 0, 480, 100);

        ausgabe = new JLabel();
        ausgabe.setBounds(200, 500, 720, 400);
        ausgabe.setFont(new Font("Calibri", Font.PLAIN,25));
        ausgabe.setText("Test");

        JLabel label = new JLabel();
        label.setText("Bitte Wähle eine Sortier Methode");
        label.setFont(new Font("Calibri",Font.PLAIN,25));
        label.setBounds(200, 0, 720, 100);

        button = new JButton();
        button.setBounds(200,100,100,50);
        button.addActionListener(this);
        button.setText("Bubble sort");
        button.setFocusable(false);

        this.setTitle("Sortier Algorythmen");
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setSize(720,480);
        this.setVisible(true);
        this.add(label);
        this.add(button);
        //this.add(panel);
        this.setLayout(new BorderLayout());
        this.add(ausgabe);

        
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if(e.getSource()==button){
            BubbleSortNames.main(null);
            
        }
        
    }
}

BubblesortNames

import java.util.Arrays;

public class BubbleSortNames {

    public static void main(String[] args) {
        // Namen aus der Tabelle Person
        String[] names = {"Schmitt", "Jakob", "Oray", "Gross", "Müller","Schütz","Knapp"};

        // Verweißt auf den Bubblesort das er Starten soll
        bubbleSort(names);

        // Ausgabe der sortierten Namen
        System.out.println("Alphabetisch sortierte Namen: " + Arrays.toString(names));
    }

    
    

    public static void bubbleSort(String[] array) {
        int n = array.length;
        boolean swapped;

        // Bubble Sort Algorithmus
        for (int i = 0; i < n - 1; i++) {
            swapped = false;

            for (int j = 0; j < n - 1 - i; j++) {
                if (array[j].compareTo(array[j + 1]) > 0) {
                    // Elemente tauschen
                    String temp = array[j];
                    array[j] = array[j + 1];
                    array[j + 1] = temp;
                    swapped = true;
                   
                }
                System.out.println( Arrays.toString(array));
            }

            // Wenn in diesem Durchlauf keine Elemente getauscht wurden, ist die Liste bereits sortiert
            if (!swapped) break;
        }
    }
}
    

I tried to get the string from the bubblesort class through a actionlistener. Sadly i can not get acces to the string.