title: How to sort List<Map<String, Object>> in java8 with .stream()?
body: <p>I have a List like this </p>
  
  <pre><code>List&lt;Map&lt;String, Object&gt;&gt; list = new ArrayList&lt;&gt;();
  
      for(int i = 0; i &lt; 20; i++) {
          Map&lt;String, Object&gt; map = new HashMap&lt;&gt;();
          map.put("quantity", Math.random());
          map.put("price", Math.random());
          list.add(map);
      }
  </code></pre>
  
  <p>How can I sort by price?</p>
  
  <p>I hope it is use java8 stream</p>