title: convert lambdas into method refrences
body: <p>I have a list of gadgets.</p>
  
  <pre><code>List&lt;String&gt; gadgets = new ArrayList&lt;&gt;(); 
  
  gadgets.add("SmartPhone"); 
  gadgets.add("SmartWatch");
  gadgets.add("SmartTV"); 
  gadgets.add("SmartDoor"); 
  gadgets.add("iPhone");
  </code></pre>
  
  <p>I want to convert the below code into method reference, right now it consists of lambda expressions. Please advise how can I convert this into method reference </p>
  
  <pre><code>String myItem = gadgets.stream()
                         .peek(s -&gt; System.out.println("processing: " + s)) 
                         .filter(s -&gt; s.length() &gt; 8)
                         .findFirst()
                         .orElse(""); 
  
  System.out.println("result: " + myItem);
  </code></pre>