Regarding use of isEqualNode() method of Interface Node

Hello,
          I want to use isEqualNode() method of Interface Node.
   
  This method is not included in DOM Level 2, and is added in DOM Level 3. I am getting the exception as below:
   
  Exception in thread "main" java.lang.NoSuchMethodError: org.w3c.dom.Node.isEqualNode(Lorg/w3c/dom/Node;
   
  So please let me know,  how can I check DOM level on my machine? Or if you have any alternative to use the same method, please let me know.

       
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Received on Wednesday, 13 June 2007 19:38:12 UTC