// Fig. 7.8: StudentPoll.java // Poll analysis program. public class StudentPoll { public static void main( String args[] ) { // array of survey responses int responses[] = { 1, 2, 6, 4, 8, 5, 9, 7, 8, 10, 1, 6, 3, 8, 6, 10, 3, 8, 2, 7, 6, 5, 7, 6, 8, 6, 7, 5, 6, 6, 5, 6, 7, 5, 6, 4, 8, 6, 8, 10 }; int frequency[] = new int[ 11 ]; // array of frequency counters // for each answer, select responses element and use that value // as frequency index to determine element to increment for ( int answer = 0; answer < responses.length; answer++ ) ++frequency[ responses[ answer ] ]; System.out.printf( "%s%10s\n", "Rating", "Frequency" ); // output each array element's value for ( int rating = 1; rating < frequency.length; rating++ ) System.out.printf( "%6d%10d\n", rating, frequency[ rating ] ); } // end main } // end class StudentPoll /************************************************************************** * (C) Copyright 1992-2005 by Deitel & Associates, Inc. and * * Pearson Education, Inc. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * *************************************************************************/