Netbeans Array help
Ok here is my code-
*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
import java.util.Random;
/**
*
*/
public class ContinueRollDie {
* @param args the command line arguments
*/
public static void main(String[] args) {
Random randomNumber = new Random();
int[][] frequency = new int[9][9];
int die1 = 0;
int die2 = 0;
for (int roll = 1; roll <= 64000; roll++) {
die1 = randomNumber.nextInt(8) + 1;
die2 = randomNumber.nextInt(8) + 1;
frequency[die1] [die2]++;
}
System.out.printf("%s%16s\n", " Sum", " Frequency");
for (int sum = 2; sum <= 12; sum++) {
System.out.printf("%4d%16d\n", sum, frequency[die1][die2]);
}
}
}
This is what I am trying to get my program to due- using a two-dimensional array to tally the actual combinations of rolls. A roll of 2 and 7 would be different than a roll of 7 and 2. The application should roll the dice 64,000 times.
I are trying to get the application to to tally the actual combination's of rolls possible within the array
Help plese!
View Answers
December 7, 2010 at 5:57 PM
Hi Friend,
Try the following code:
import java.util.Random;
public class ContinueRollDie{
public static void main(String[] args){
Random randomNumber = new Random();
int die1;
int die2;
int frequency[] = new int[ 13 ];
for ( int index = 0; index < frequency.length; index++ )
frequency[ index ] = 0;
for ( int roll = 1; roll <= 64000; roll++ ) {
die1 = 1 + randomNumber.nextInt( 6 );
die2 = 1 + randomNumber.nextInt( 6 );
frequency[ die1 + die2 ]++;
}
System.out.printf( "%3s%12s\n","Sum", "Frequency" );
for ( int i = 2; i < frequency.length; i++ ) {
System.out.printf( "%3d%12d\n", i, frequency[ i ]);
}
}
}
Hope that it will be helpful for you.
Thanks
December 8, 2010 at 4:44 AM
Thanks for your help but what I need is a two-dimensional array to tally the actual combination's of rolls 2 d array, not 1, thank you so much!
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