String SQL = "SELECT * FROM pessoa WHERE ID = ?";

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

PreparedStatement ps = connection.prepareStatement(SQL);
ps.setInt(IDParaBuscar);
ResultSet rs = ps.executeQuery();
rs.next();
Pessoa pessoa = new Pessoa();
pessoa.setID(rs.getInt("ID"));
pessoa.setNomeCompleto(rs.getString("nomeCompleto"));
ps.close();
con.close();