Java code to output details input by user not working

Hi, Regarding the Java code below, I want to create a simple GUI that requests the title and author of a book and outputs something like "The title of the book is JAVA FOR DUMMIES and the author is T38" - what am I missing?  Thanks

import javax.swing.JOptionPane;

public class GUI {
      
      public static void main (String args[])
      
      {
            String title  = "";
            String author = "";
            
            title = JOptionPane.showInputDialog("Enter Title");
            
            author = JOptionPane.showInputDialog("Enter Author");
            
            JOptionPane.showMessageDialog(null, "The title of the book is :", "and the Author of the Book is : " Book Details",JOPtionPane.PLAIN_MESSAGE);
            
            System.exit(0);
      }
      

}
t38Asked:
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sjklein42Commented:
Build your message string first.  I don't see where you are concatenating the message parts together.  I think you have messed up your commas, etc.  Also you misspelled JOptionPane.  Try this:
String message =  "The title of the book is :" + title +", and the Author of the Book is :" + author;

JOptionPane.showMessageDialog(null, message, "Book Details", JOptionPane.PLAIN_MESSAGE);

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t38Author Commented:
Thanks!
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