Dicey Lab 4/17

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.debug.settings.onBuildFailureProceed": true
+}

java/src/main/java/Bins.java

@@ -1,4 +1,26 @@
 
 public class Bins {
+    private int min;
+    private int max;
+    private int[] bins;
+
+    public Bins(int min, int max) {
+        this.min = min;
+        this.max = max;
+        this.bins = new int[max - min +1];
+    }
+
+    public int getBin(int number) {
+        return bins[number-min];
+    }
+
+    public void incrementBin(int number) {
+        bins[number - min]++;
+    }
+
+
+
+
+
 
 }

java/src/main/java/Dice.java

@@ -1,4 +1,33 @@
+
+import java.util.Random;
+
 public class Dice {
 
+    private int numberOfDice;
+
+    public Dice(int numberOfDice) {
+        this.numberOfDice = numberOfDice;
+    }
+
+    public int tossAndSum() {
+        Random random = new Random();
+        int sum = 0;
+        for (int i = 0; i < numberOfDice; i++) {
+            sum += random.nextInt(6) + 1;
+        }
+        return sum;
+    }
+
+    public static void main(String[] args) {
+        Dice dice = new Dice(5); // for yatzee
+        Dice dice1 = new Dice(2); // for craps
+
+        Integer toss = dice.tossAndSum();
+        Integer toss1 = dice1.tossAndSum();
 
-}
+        System.out.println("Toss and sum of 5 dice: " + toss);
+        System.out.println("Toss and sum of 2 dice: " + toss1);
+    }
+
+
+}

java/src/main/java/Simulation.java

@@ -1,5 +1,42 @@
+
 public class Simulation {
+    private int numberOfDice;
+    private int numberOfTosses;
+    private Dice dice;
+    private Bins bins;
+
+    public static void main(String[] args) {
+        Simulation sim = new Simulation(2, 10000);
+        sim.runSimulation();
+        sim.printResults();
+    }
+
+    public Simulation(int numberOfDice, int numberOfTosses) {
+        this.numberOfDice = numberOfDice;
+        this.numberOfTosses = numberOfTosses;
+        this.dice = new Dice(numberOfDice);
+        this.bins = new Bins(numberOfDice, numberOfDice * 6);
+    }
+
+    public void runSimulation() {
+        for (int i = 0; i < numberOfTosses; i++) {
+            int result = dice.tossAndSum();
+            bins.incrementBin(result);
+        }
+    }
 
+    public void printResults() {
+        System.out.println("***");
+        System.out.println("Simulation of " + numberOfDice + " dice tossed for " + numberOfTosses + " times.");
+        System.out.println("***");
 
+        for (int i = numberOfDice; i <= numberOfDice * 6; i++) {
+            int count = bins.getBin(i);
+            double percentage = (double) count / numberOfTosses;
+            int stars = (int) (percentage * 100);
+            String asterisks = "*".repeat(stars);
+            System.out.printf("%2d : %8d: %.2f %s%n", i, count, percentage, asterisks);
+        }
+    }
 
 }

java/src/main/java/Test.java

@@ -0,0 +1,21 @@
+
+public class Test {
+
+    public static void main(String args []) {
+        Dice dice1 = new Dice(1);
+        int result1 = dice1.tossAndSum();
+        if (result1 >= 1 && result1 <= 6) {
+            System.out.println("It works " + result1);
+        }
+
+        Dice dice2 = new Dice(2);
+        int result2 = dice2.tossAndSum();
+        if (result2 >= 2 && result1 <= 12) {
+            System.out.println("It works " + result1);
+        }
+
+    }
+
+
+}
+