public boolean cadastrar(Fabricante fab) throws SQLException { Connection con = null; PreparedStatement st = null; try { con = ConexaoDAO.getConnection(); st = con.prepareStatement("INSERT INTO fabricante (nome,material) VALUES(?,?)"); st.setString(1, fab.getNome()); st.setString(2, fab.getMaterial()); ; return st.execute(); } catch (Exception e) { // e.printStackTrace(); st.close(); con.close(); return false; } }