enumtest.java

I holp somebody will need it.

// Fig. 8.11: EnumTest.java
// Testing enum type Book.
import java.util.EnumSet;

public class EnumTest 
{
   public static void main( String args[] ) 
   {
      System.out.println( "All books:\n" );

      // print all books in enum Book                          
      for ( Book book : Book.values() )                        
         System.out.printf( "%-10s%-45s%s\n", book,
             book.getTitle(), book.getCopyrightYear() );

      System.out.println( "\nDisplay a range of enum constants:\n" );
    
      // print first four books                                 
      for ( Book book : EnumSet.range( Book.JHTP6, Book.CPPHTP4 ) )
         System.out.printf( "%-10s%-45s%s\n", book,
             book.getTitle(), book.getCopyrightYear() );
   } // end main
} // end class EnumTest


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