title: Where have I to put an image to use it to create a new Swing ImageIcon object?
body: <p>I am studying Java Swing library and I have a problem.</p>
  
  <p>In an example program it create an <strong>ImageIcon</strong> object by this line:</p>
  
  <pre><code>ImageIcon icon = new ImageIcon(getClass().getResource("exit.png"));
  </code></pre>
  
  <p>Whe I execute my program I obtain the following error caused by the fact that in the project the <strong>exit.png</strong> is missing:</p>
  
  <pre><code>Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
      at javax.swing.ImageIcon.&lt;init&gt;(ImageIcon.java:205)
      at com.andrea.second.SimpleMenu.initUI(SimpleMenu.java:23)
      at com.andrea.second.SimpleMenu.&lt;init&gt;(SimpleMenu.java:17)
      at com.andrea.second.SimpleMenu$2.run(SimpleMenu.java:53)
      at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
      at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
      at java.awt.EventQueue.access$200(EventQueue.java:103)
      at java.awt.EventQueue$3.run(EventQueue.java:694)
      at java.awt.EventQueue$3.run(EventQueue.java:692)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
      at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
      at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
      at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
      at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
      at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
      at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
  </code></pre>
  
  <p>The problem is, using Eclipse, where I have to put this immage?</p>
  
  <p>I tryed to copy and paste it (in my file system, not in Eclipse) an "exit.png" file into the same package folder that contains the class that create it...but it don't work</p>
  
  <p>What have I to do to solve this problem in Eclipse?</p>