Merge 8f7b5a02afd31972c39b7ddcb5754284f13c19c2 into 1eaff706f0dcc7a467d1c6648bcb494e313ba6a5

pom.xml

@@ -7,6 +7,25 @@
     <groupId>com.zipcodewilmington</groupId>
     <artifactId>Dicey-Lab</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+        </dependency>
+    </dependencies>
 
 
 </project>

src/main/java/Bins.java

@@ -1,4 +1,32 @@
 
+import java.util.Map;
+import java.util.TreeMap;
+
+
+
 public class Bins {
 
+   static  Map<Integer, Integer> diceRollTotalsAndFrequency = new TreeMap<>();
+
+   public static void persistDiceRoll(Integer diceRollValue){
+
+       Integer currentValue = diceRollTotalsAndFrequency.get(diceRollValue);
+       if(currentValue == null){
+           currentValue = 1;
+       }
+       else {
+           currentValue++;
+       }
+       diceRollTotalsAndFrequency.put(diceRollValue, currentValue);
+
+
+
+       //diceRollTotalsAndFrequency.put(diceRollValue,
+       // diceRollTotalsAndFrequency.get(diceRollValue) == null ?
+       // 1 : diceRollTotalsAndFrequency.get(diceRollValue) + 1);
+
+   }
+
+
+
 }

src/main/java/Dice.java

@@ -1,4 +1,19 @@
+import java.util.Random;
+
 public class Dice {
 
+    public Integer rollDiceAndGiveValue(){
+        Random random = new Random();
+        int tossAndSum = random.nextInt(6) + random.nextInt(6) + 2;
+        return tossAndSum;
+    }
+
+    public void persistDiceRoll(int tossAndSum){
+        Bins.persistDiceRoll(tossAndSum);
+    }
+
+    public void rollDiceAndPersistValues(){
+        persistDiceRoll(rollDiceAndGiveValue());
+    }
 
 }

src/main/java/Simulation.java

@@ -1,5 +1,34 @@
+import java.util.Map;
+
 public class Simulation {
 
 
+    public static void main(String[] args) {
+
+        Dice dice = new Dice();
+
+        for (int i = 0; i < 1000000; i++) {
+            dice.rollDiceAndPersistValues();
+        }
+
+//        String results = Bins.diceRollTotalsAndFrequency.toString().replaceAll("[\\[\\](){}]", "");
+        for(Map.Entry entry : Bins.diceRollTotalsAndFrequency.entrySet()){
+            System.out.println(entry +"\n");
+        }
 
+    }
 }
+
+//         2 :    27917: 0.03 **
+//         3 :    55422: 0.06 *****
+//         4 :    83457: 0.08 ********
+//         5 :   110961: 0.11 ***********
+//         6 :   139098: 0.14 *************
+//         7 :   166977: 0.17 ****************
+//         8 :   138386: 0.14 *************
+//         9 :   111102: 0.11 ***********
+//         10 :    83367: 0.08 ********
+//         11 :    55799: 0.06 *****
+//         12 :    27514: 0.03 **
+
+

src/test/java/DiceTest.java

@@ -0,0 +1,17 @@
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.Random;
+
+public class DiceTest{
+
+    @Before
+    public void setUp(){
+        Random random = new Random();
+    }
+    @Test
+    public void rollDiceAndGiveValueTest(){
+
+    }
+
+}