[JAVA] Doublons Jcombobox

/*
 * Created on 27-févr.-2007
 * Author: HackTrack
 */
package comboDoubleEntriesRemove;

import java.awt.Dimension;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class SingleEntryComboTester extends JFrame {
	private JComboBox combo1;
	private JComboBox combo2;

	private DefaultComboBoxModel comboModel1;
	private DefaultComboBoxModel comboModel2;

	public SingleEntryComboTester() {
		super("Demo");
		initialize();
	}

	private void initialize() {
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		JPanel panel = new JPanel();
		panel.setPreferredSize(new Dimension(320,200));
		comboModel1 = new DefaultComboBoxModel();
		comboModel2 = new DefaultComboBoxModel();
		combo1=new JComboBox();
		combo2=new JComboBox();
		
		combo1.setModel(comboModel1);
		combo2.setModel(comboModel2);
		panel.add(combo1);
		panel.add(combo2);
		getContentPane().add(panel);
	}
	
	
	public void setFirstComboData(Set data) {
		comboModel1= new DefaultComboBoxModel(data.toArray());
		combo1.setModel(comboModel1);
		validate();
	}
	
	public void setSecondComboData(List data) {
		comboModel2 = new DefaultComboBoxModel(data.toArray());
		combo2.setModel(comboModel2);
	}
	
	public static void main(String[] args) {
		SingleEntryComboTester tester = new SingleEntryComboTester();
		tester.pack();
		tester.setVisible(true);
		Object[] data = new String[]{"Hack","Track","Chouba","Chouba","Hop!","Ka","Track"};
		Set set = new HashSet();
		List list = new ArrayList();
		for(Object o: data){
			list.add(o);
			set.add(o);
		}
		tester.setFirstComboData(set);
		tester.setSecondComboData(list);
	}
}

public void getOption() throws IOException{
try{
     BufferedReader lecture=new Bufferedreader
     (new FileReader("D:/IUT/Liste.txt"));
      while(true){
           String ligne=lecture.readLine();
            if(ligne==null)break;
            StringTokenizer tok=new StringTokenizer (ligne, ";"); 
            String opt=tok.nextToken();      //on récupère l'option
            JCBListeOption.additem(opt);  //on ajoute au Jcombobox
                    }
        lecture.close();
        }
catch(NoSuchElementException e){}
        }
}