【Java开源代码栏目提醒】:网学会员Java开源代码为您提供StudentPoll.java参考,解决您在StudentPoll.java学习中工作中的难题,参考学习。
// 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. *
*************************************************************************/