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  1. //8.11 EnumTest.java
  2. //Testing enum type book
  3. import java.util.EnumSet;
  4.  
  5. public class EnumTest
  6. {
  7. public static void main (String[] args)
  8. {
  9. System.out.println("All books:\\n");
  10.  
  11. //print all books in enum Book
  12. for(Book book: Book.values())
  13. System.out.printf("%-10s%-45s%s\\n", book, book.getTitle(), book.getCopyrightYear());
  14.  
  15. System.out.println( "\\nDisplay a range of enum constants:\\n" );
  16.  
  17. //print first four books
  18. for(Book book: EnumSet.range(Book.JHTP, Book.CPPHTP))
  19. System.out.printf("%-10s%-45s%s\\n", book, book.getTitle(), book.getCopyrightYear());
  20. } //end main
  21. } //end class EnumTest
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