パネルJComboBoxを生成

JPanelCombo

import java.awt.FlowLayout;
import java.util.Iterator;
import java.util.List;

import javax.swing.JComponent;
import javax.swing.JPanel;

public class JPanelCombo extends JPanel{

	JComboBox[] ComboBox ;

	public JPanelPrueba()
	{
          this.setLayout(new BorderLayout());	
	}
	
	public void addComboBoxs(String[] Label,List<String> items) {
	      
	       JPanel panel_objetos = new JPanel();
	       JLabel[] etiqueta;
	       panel_objetos.setLayout(new FlowLayout(FlowLayout.LEFT));
	       panel_objetos.setOpaque(false);
	       //-------------------------------------/
	       ComboBox = new JComboBox[Label.length];
	       etiqueta=new JLabel[Label.length];
	       //---------------------------------/
	       Iterator it = items.iterator();	
	       while(it.hasNext())
	       {
	    	   for(int e=0; e<Label.length; e++ ) {
	    		   
	    		   ComboBox[e] = new JComboBox();
	    		   //addItems
				   ComboBox[e].addItem(it.next());
				   //*******************************/
				   etiqueta[e]=new JLabel(Label[e]);
				   panel_objetos.add(etiqueta[e]);
				   panel_objetos.add(ComboBox[e]);
	    	   }
	    	 
	       }
		   //-------------------------------------/
		     this.add(panel_objetos,BorderLayout.CENTER);
	   
	 }
	
	
	
}

prueba_form1

public class prueba_form1 extends JFrame {
  

       JPanelCombo panel;


        public prueba_form1() {
		super();
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		 this.setSize(1050, 726);
	 	 this.setContentPane(getJContentPane());
	         this.setLocationRelativeTo(null);

	}

                private JPanel getPanelBOX() {
		if (panel== null) {
		    panel= new JPanelCombo();
                    //--------------------------/
                                        //0          //1     //2
                    String Label[]={"PELICULAS:","COSAS:","COLORES"};
		    List<String> list = new ArrayList<String>();
		    list.addAll(Arrays.asList("ACCION","TERROR","SUSPENSO","COMEDIA","DRAMA","EROTICA"));//0
		    list.addAll(Arrays.asList("RADIO","TTV","DVD","PC","CELULAR","COCINA"));//1
		    list.addAll(Arrays.asList("AMARILLO","ROJO","AZUL","CELESTE","MORADO","LILA"));//2
                      //------------------------------------
			panel.addComboBoxs(Label,list);
                      //-------------------------------------
			panel.ComboBox[0].addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(java.awt.event.ActionEvent e) {
				  JComboBox c = (JComboBox)e.getSource();
			       System.out.println("ITEM" + c.getSelectedItem());
					
			}
		}); 
                //----------------------------------------
               panel.ComboBox[1].addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(java.awt.event.ActionEvent e) {
				  JComboBox c = (JComboBox)e.getSource();
			       System.out.println("ITEM" + c.getSelectedItem());
					
			}
		}); 
               //-------------------------------
             panel.ComboBox[2].addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(java.awt.event.ActionEvent e) {
				  JComboBox c = (JComboBox)e.getSource();
			       System.out.println("ITEM" + c.getSelectedItem());
					
			}
		}); 
                   //--------------------------
	         }
		return panel;
	    }


             private JPanel getJContentPane() {
		if (jContentPane == null) {
			jContentPane = new JPanel();
			jContentPane.setLayout(new BorderLayout());
			jContentPane.add(getPanelBOX(),BorderLayout.CENTER);	
		}
		return jContentPane;
	}


                  public static void main(String[] args) {
		// TODO Auto-generated method stub
		SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				try
				{
				   UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
				}
				catch (Exception e)
				{
				   e.printStackTrace();
				}
				prueba_form1 thisClass = new prueba_form1();
				thisClass.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
				thisClass.setVisible(true);
			}
		});
	}


}