title: Netbeans Swing Matisse JCombobox Key-Value Pair
body: <p>is there a way to set Key-Value String Map/Pair in JCombobox Netbeans Swing Matisse using GUI only ?
  Below screenshot allow to insert single list
  <img src="https://i.stack.imgur.com/dy6Rf.png" alt="JComboBox List Data"></p>
  
  <p>but is there a way to insert Map/Key-Value String Pair using Matisse GUI instead of code like </p>
  
  <pre><code>Value - Display
  _____   _____
  ITEM1 - Item 1
  ITEM2 - Item 2
  ITEM3 - Item 3
  ITEM4 - Item 4
  </code></pre>
  
  <p>as in HTML select option tag stored value and display value.</p>