The given code snippet involves a class 'Folder' that is used within a try-with-resources statement. For the code to properly execute and print 'Open Close', the 'Folder' class needs to implement the 'AutoCloseable' interface which ensures that the 'close()' method is called automatically at the end of the try-with-resources block. By replacing line n1 with 'class Folder implements AutoCloseable', it enables the class to be used with the try-with-resources statement. Additionally, at line n2, we need to include the 'close()' method implementation to print 'Close'. This modification allows the code to print 'Open' when the 'open()' method is called and 'Close' when the 'close()' method is executed at the end of the try block.