Preencher uma JComboBox com ArrayList<String>

mport java.util.ArrayList;
import javax.swing.JComboBox;

/*
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/**
 *
 * @author aluno
 */
public class clsCliente {
    
    private ArrayList<String> Nome = new ArrayList<String>();
    
    private ArrayList<String> telefone= new ArrayList<String>();
    
    private ArrayList<String> placa= new ArrayList<String>();
    
    private ArrayList<String> modelo= new ArrayList<String>();
    
    private ArrayList<String> tp_veiculo= new ArrayList<String>();
    
    private ArrayList<String> marca= new ArrayList<String>();
    
    private ArrayList<String> ano= new ArrayList<String>();
    
    private ArrayList<String> dtCadastro = new ArrayList<String>();
    
    public void encheComboBox(JComboBox cmb)
    {
        String str;
        
        for (int i = 0; i < this.Nome.size(); i++) 
        {            
            if("".equals(this.Nome.get(i)))
            {
                str = "Nenhum cliente cadastrado.";
                
                cmb.add(str, cmb);
                break;
            }
            else
            {
                str = (String) this.Nome.get(i).toString();
                
                cmb.add(str, cmb);
            }
        }
    }