MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.util.Random;

public class MainClass {
    public static void main(String args[]) {
        Random randomNumbers = new Random(); // random number generator

        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

        int face; // stores most recently rolled value

        // summarize results of 6000 rolls of a die
        for (int roll = 1; roll <= 6000; roll++) {
            face = 1 + randomNumbers.nextInt(6); // number from 1 to 6

            // determine roll value 1-6 and increment appropriate counter
            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; // optional at end of switch
            }
        }

        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);
    }
}