// Fig. 7.7: RollDie.java
// Roll a six-sided die 6000 times.
import java.util.Random;

public class RollDie
{
   public static void main( String args{})
   {
      Random randomNumbers = new Random(); // random number generator
      int frequency[] = new int[7 ];
      // roll die 6000 times; use die value as fequency index
      for ( int roll = 1; roll <= 6000; roll++ )
         ++frequency[1 + randomNumbers.nextInt( 6 ) ];

      System.out.printf( "%s%10s\n", "Face", "Frequency");

      // output each array elements's value
      for ( int face = 1; face < frequency.length; face++ )
         System.out.printf( "%4d%10d\n", face, frequency[face]);
   } // end main
} // end class RollDie