title: HashMaps and Null values?
body: <p>How do you pass in null values into a HashMap?<br>
  The following code snippet works with options filled in:  </p>
  
  <pre><code>HashMap&lt;String, String&gt; options = new HashMap&lt;String, String&gt;();  
  options.put("name", "value");
  Person person = sample.searchPerson(options);  
  System.out.println(Person.getResult().get(o).get(Id));    
  </code></pre>
  
  <p>So the issue is what has to be entered into the options and or method to pass in a null value?<br>
  I tried the following code without any success:    </p>
  
  <pre><code>options.put(null, null);  
  Person person = sample.searchPerson(null);    
  
  options.put(" ", " ");  
  Person person = sample.searchPerson(null);    
  
  options.put("name", " ");  
  Person person = sample.searchPerson(null);  
  
  options.put();  
  Person person = sample.searchPerson();    
  </code></pre>