complete

src/main/java/Bins.java

@@ -8,7 +8,7 @@ public class Bins {
     private int[] results;
 
     public Bins (int minIndex, int maxIndex) {
-        results = new int[maxIndex];
+        results = new int[maxIndex +1];
     }
 
     public int getBins(int outcome) {

src/main/java/DanielResults.md

@@ -0,0 +1,15 @@
+***
+Simulation of 2 dice tossed for 1000000 times.
+***
+
+  2 :     27854: 0.03**
+  3 :     55661: 0.06*****
+  4 :     83465: 0.08********
+  5 :    110837: 0.11***********
+  6 :    138840: 0.14*************
+  7 :    166577: 0.17****************
+  8 :    139243: 0.14*************
+  9 :    111241: 0.11***********
+ 10 :     82793: 0.08********
+ 11 :     55743: 0.06*****
+ 12 :     27746: 0.03**

src/main/java/DiceTest.java

@@ -1,19 +0,0 @@
-import org.junit.Assert;
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-public class DiceTest {
-
-    @Test
-    public void rollDice() {
-        Dice dice = new Dice();
-
-        Integer actual = dice.rollDice(2);
-
-        Assert.assertTrue(actual >= 2 && actual <= 12);
-
-
-
-    }
-}

src/main/java/Simulation.java

@@ -23,14 +23,46 @@ public class Simulation extends Dice {
         this.numberOfRolls = numberOfRolls;
           }
 
-    public void runSimulation (int numberOfRolls) {
+    public void runSimulation (int numberOfRolls, int rollsOfDie) {
 
         for (int i = 0; i < numberOfRolls; i++)
-            bins.incrementBin(dice.rollDice(2));
+            bins.incrementBin(dice.rollDice(rollsOfDie));
 
         }
 
+     public String printIt(int minIndex, int maxIndex, int numberOfRolls) {
+         StringBuilder sb = new StringBuilder();
+             sb.append("***\nSimulation of " + minIndex +" dice tossed for " + numberOfRolls + " times.\n***\n\n");
+        for (int y = minIndex; y <= maxIndex; y++){
+            int diceSum = y;
+            int numOfOccurrence = bins.getBins(diceSum);
+            sb.append(String.format(" %2d :   %7d: %.2f", diceSum, numOfOccurrence, (numOfOccurrence/(float)numberOfRolls)));
+            sb.append(numberOfStars((int) ((numOfOccurrence/(float)numberOfRolls)*100))+ "\n");
+         }
+
+         System.out.println(sb.toString());
+            return sb.toString();
+
+     }
+
+     public String numberOfStars(int percentOutcome){
+        StringBuilder sb1 = new StringBuilder();
+        for (int otc = 0; otc < percentOutcome; otc++) {
+            sb1.append("*");
+        }
+        return sb1.toString();
+     }
+
+
+
     public static void main(String[] args) {
+        Simulation simulation = new Simulation(2,2);
+        simulation.runSimulation(1000000,2);
+        simulation.printIt(2,12,1000000);
+
+
+
+
 
 
     }

src/main/java/SimulationTest.java

@@ -1,13 +0,0 @@
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-public class SimulationTest {
-
-    @Test
-    public void runSimulation() {
-
-
-
-    }
-}

src/test/BinsTest.java

@@ -0,0 +1,26 @@
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.Assert;
+
+import static org.junit.Assert.*;
+
+public class BinsTest {
+
+    @Before
+    public void setUp() throws Exception {
+        Bins bins = new Bins(2, 12);
+        Integer expected1 = 0;
+        Integer actual1 = bins.getBins(3);
+        Assert.assertEquals(expected1, actual1);
+
+    }
+
+    @Test
+    public void getBins() {
+
+    }
+
+    @Test
+    public void incrementBin() {
+    }
+}

src/test/SimulationTest.java

@@ -0,0 +1,27 @@
+import org.junit.Assert;
+import org.junit.Test;
+
+public class SimulationTest {
+
+    @Test
+    public void runSimulation() {
+
+
+
+    }
+
+    public static class DiceTest {
+
+        @Test
+        public void rollDice() {
+            Dice dice = new Dice();
+
+            Integer actual = dice.rollDice(2);
+
+            Assert.assertTrue(actual >= 2 && actual <= 12);
+
+
+
+        }
+    }
+}