title: How to query for Double with Spring JDBC template query
body: <p>How do one query for a double with the Spring JDBC temple?</p>
  
  <p>For example:</p>
  
  <pre><code>public double getAverageScore() {
      return jdbctemplate.queryFor???("select avg(score) from test");
  }
  </code></pre>
  
  <p>There are queryForInt and queryForLong, but no queryForDouble</p>