Hjælp med Array og ArrayList til JList

Kode 

ArrayList<Integer> myList = ....;

JList component = new JList(myList.toArray(new Integer[myList.size()]));

Kode 

import java.awt.List;
import java.util.*;

public class LottoTal
{
	private int tal;
	private int checkTal;
	int i;
	int j;
	private boolean check = false;
	int[] LottoTal = new int[6];
	
	//Tal generatoren
	public void geneTal()
	{
		Random generator = new Random();
	
		for (int i = 0; i < LottoTal.length; i++) 
		{
			
			tal = generator.nextInt(48) +1;
			check = false;
			
				do
				{
					//Check om det tallet på plads i er det samme som det netop generere tal.
					if (LottoTal[i] == tal)
					{ check = true; }
					
					//check om tallet på plads i enten er 0 eller ikke er det samme som det netop generede tal.  
					if (LottoTal[i] != 0 && LottoTal[i] != tal)
					{
						if (i <= 5)
						{
							i ++;
							if (i == 6)
							{ check = true;}
						}
						if (i >= 6)
						{ check = true; }
					}
					
					
					if (check == false && LottoTal[i] == 0)
					{
						
						LottoTal[i] = tal; 
						i = 0;
						i -=1;
						check = true;
						
					
					}
				}
				while (check == false);
			}
		
			// Sortere arrayet                            
			Arrays.sort(LottoTal);
		
		}
	
	// metode så jeg kan få hentet numeret på pladsen i arrayet
	public int get(int numberlnTheList)
	{
		 return LottoTal[numberlnTheList];
	}
}
 

Kode 

import java.awt.BorderLayout;
import java.awt.Font;

import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.Dimension;
import javax.swing.JButton;
import java.awt.Rectangle;
import javax.swing.JList;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

public class GUI extends JFrame {

	private static final long serialVersionUID = 1L;
	private JPanel jContentPane = null;
	private JButton genejButton = null;
	private JLabel tiTaljLabel = null;
	private JLabel tredveTaljLabel = null;
	private JLabel fyreTaljLabel = null;
	private LottoTal lotto = new LottoTal();  //  @jve:decl-index=0:
	private TalCollection TalC = new TalCollection();  //  @jve:decl-index=0:
	private int tal = 0;
	private JTextArea jTextAreaTrevde = null;
	private JTextArea jTextAreaFyrre = null;
	private JList jListTi = null;
	private JList jList = null;
	/**
	 * This is the default constructor
	 */
	public GUI() 
	{
		super();
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(514, 306);
		this.setContentPane(getJContentPane());
		this.setTitle("JFrame");
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			fyreTaljLabel = new JLabel();
			fyreTaljLabel.setBounds(new Rectangle(282, 61, 48, 17));
			fyreTaljLabel.setText("34 - 48");
			tredveTaljLabel = new JLabel();
			tredveTaljLabel.setBounds(new Rectangle(174, 58, 46, 20));
			tredveTaljLabel.setText("17- 33");
			tiTaljLabel = new JLabel();
			tiTaljLabel.setBounds(new Rectangle(39, 64, 44, 19));
			tiTaljLabel.setText("1 - 16");
			jContentPane = new JPanel();
			jContentPane.setLayout(null);
			jContentPane.add(getGenejButton(), null);
			jContentPane.add(tiTaljLabel, null);
			jContentPane.add(tredveTaljLabel, null);
			jContentPane.add(fyreTaljLabel, null);
			jContentPane.add(getJTextAreaTrevde(), null);
			jContentPane.add(getJTextAreaFyrre(), null);
			jContentPane.add(getJListTi(), null);
			jContentPane.add(getJList(), null);
		}
		return jContentPane;
	}

	/**
	 * This method initializes genejButton	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getGenejButton() {
		if (genejButton == null) {
			genejButton = new JButton();
			genejButton.setBounds(new Rectangle(133, 11, 143, 23));
			genejButton.setText("Opret Lotto Tal");
			genejButton.addActionListener(new java.awt.event.ActionListener() 
			{
				public void actionPerformed(java.awt.event.ActionEvent e) 
				{
					//når der trykkes på knappen generer den arrayet
					lotto.geneTal();
					
					int[] filesNames = new int[6];
					
					for (int i = 0; i < filesNames.length; i++) 
					{
						filesNames[i] = lotto.get(i);
						jListTi.setToolTipText("" + lotto.get(i));
					}
					
					System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed()
				}
			});
		}
		return genejButton;
	}
private JList getJList() {
		if (jList == null) {
			jList = new JList();
			jList.setBounds(new Rectangle(374, 95, 91, 132));
		}
		return jList;
	}

}