Combo

while(query.next()){ 
				vetorAuxiliar vVeiculo = new vetorAuxiliar(); 
				vVeiculo.add(query.getString("VEIDESCRICAO"));
				vVeiculo.add(query.getString("VEICODIGO"));				
				txtVeiculoSeg.addItem(vVeiculo); 
			}

public class vetorAuxiliar extends Vector
{
    public boolean equals( Object o )
    {
        return elementAt( 1 ).equals( o );
    }
    
    public String toString()
    {
        if( elementAt( 0 ) == null )
            return "";
        else 
            return elementAt( 0 ).toString();
    }
}