We would like to count dice rolling result.
The dice will roll for 6000 times.
Show the times of each value.
// Roll a six-sided die 6000 times. import java.security.SecureRandom; public class Main { public static void main(String[] args) {/*from ww w. j ava2 s. co m*/ // randomNumbers object will produce secure random numbers SecureRandom randomNumbers = new SecureRandom(); int frequency1 = 0; // count of 1s rolled int frequency2 = 0; // count of 2s rolled int frequency3 = 0; // count of 3s rolled int frequency4 = 0; // count of 4s rolled int frequency5 = 0; // count of 5s rolled int frequency6 = 0; // count of 6s rolled //your code here }
// Roll a six-sided die 6000 times. import java.security.SecureRandom; public class Main { public static void main(String[] args) { // randomNumbers object will produce secure random numbers SecureRandom randomNumbers = new SecureRandom(); int frequency1 = 0; // count of 1s rolled int frequency2 = 0; // count of 2s rolled int frequency3 = 0; // count of 3s rolled int frequency4 = 0; // count of 4s rolled int frequency5 = 0; // count of 5s rolled int frequency6 = 0; // count of 6s rolled // tally counts for 6,000,000 rolls of a die for (int roll = 1; roll <= 6000000; roll++) { int face = 1 + randomNumbers.nextInt(6); // number from 1 to 6 // use face value 1-6 to determine which counter to increment switch (face) { case 1: ++frequency1; // increment the 1s counter break; case 2: ++frequency2; // increment the 2s counter break; case 3: ++frequency3; // increment the 3s counter break; case 4: ++frequency4; // increment the 4s counter break; case 5: ++frequency5; // increment the 5s counter break; case 6: ++frequency6; // increment the 6s counter break; } } System.out.println("Face\tFrequency"); // output headers System.out.printf("1\t%d%n2\t%d%n3\t%d%n4\t%d%n5\t%d%n6\t%d%n", frequency1, frequency2, frequency3, frequency4, frequency5, frequency6); } }