### Question:
PreparedStatementProxy extends AbstractPreparedStatementProxy implements PreparedStatement, ParametersHolder { @Override public int executeUpdate() throws SQLException { return ExecuteTemplate.execute(this, (statement, args) -> statement.executeUpdate()); } PreparedStatementProxy(AbstractConnectionProxy connectionProxy, PreparedStatement targetStatement,
                                  String targetSQL); @Override Map<Integer,ArrayList<Object>> getParameters(); @Override boolean execute(); @Override ResultSet executeQuery(); @Override int executeUpdate();  }### Answer:
@Test public void testExecuteUpdate() throws SQLException { Assertions.assertNotNull(preparedStatementProxy.executeUpdate()); }