dice, bin, and simulation classes done

src/main/java/BinsTest.java

@@ -7,14 +7,26 @@ public class BinsTest {
     @Test
     public void testGetBin() {
         //given
-        Bins bin = new Bins(2);
-        bin.incrementBin(3);
+        Bins bin1 = new Bins(2);
+        bin1.incrementBin(3);
         //when
         int expected = 1;
-        int actual = bin.getBin(3);
+        int actual = bin1.getBin(3);
         //then
         assertEquals(expected, actual);
     }
 
-
+    @Test
+    public void testGetBinLoop() {
+        //given
+        Bins bin2 = new Bins(2);
+        for(int i=0; i<101; i++) {
+            bin2.incrementBin(7);
+        }
+        //when
+        int expected = 101;
+        int actual = bin2.getBin(7);
+        //then
+        assertEquals(expected, actual);
+    }
 }

src/main/java/Dice.java

@@ -1,6 +1,16 @@
 public class Dice {
+    private int diceRolled = 0;
 
+    public Dice(int numOfDice){
+        diceRolled = numOfDice;
+    }
 
+    public int tossAndSum(){
+        int toss = 0;
+        for (int i = 0; i < diceRolled; i++) {
+            toss += (int) (Math.ceil(Math.random() * 6));
+        }
+        return toss;
+    }
 
-
-}
+}

src/main/java/DiceTest.java

@@ -0,0 +1,40 @@
+import org.junit.Assert;
+import org.junit.Test;
+
+public class DiceTest {
+    @Test
+    public void dieIsValid(){
+        // Given
+        Dice dice = new Dice(1);
+        boolean expected = true;
+
+        // When
+        boolean actual = false;
+        int dieRoll = dice.tossAndSum();
+        if (dieRoll <= 6 && dieRoll >= 1){
+            actual = true;
+        }
+
+        // Then
+        Assert.assertEquals(expected, actual);
+
+    }
+
+    @Test
+    public void rollThreeDice(){
+        // Given
+        Dice dice = new Dice(2);
+        boolean expected = true;
+
+        // When
+        boolean actual = false;
+        int rollTwo = dice.tossAndSum();
+        if (rollTwo <= 12 && rollTwo >= 2){
+            actual = true;
+        }
+
+        // Then
+        Assert.assertEquals(expected, actual);
+
+    }
+}

src/main/java/Main.java

@@ -0,0 +1,2 @@
+public class Main {
+}

src/main/java/Simulation.java

@@ -1,5 +1,47 @@
+import java.util.Formatter;
+
 public class Simulation {
 
+    private int diceNum=0;
+    private int tossNum=0;
+    private Dice dice = new Dice(diceNum);
+    private Bins bin = new Bins(diceNum);
+
+    public Simulation(int diceNum, int tossNum){
+        this.diceNum = diceNum;
+        this.tossNum = tossNum;
+        this.bin = bin;
+        this.dice = dice;
+}
+
+    public void runSimulation(){
+        for(int i=0; i<tossNum; i++){
+            bin.incrementBin(dice.tossAndSum());
+        }
+}
+
+    public void printSimulation() {
+
+        StringBuilder result = new StringBuilder();
+        Formatter format = new Formatter(result);
+
+        result.append("***\n Simulation of ");
+        result.append(diceNum);
+        result.append(" dice tossed for ");
+        result.append(tossNum);
+        result.append(" times.\n*** \n \n");
+        for (int i=0; i<((diceNum*6)-(diceNum)); i++) {
+            result.append(i+diceNum);
+            result.append(" : ");
+            format.format("%10d", bin.getBin(i+diceNum));
+            result.append(": ");
+            format.format("%.2f", (double)((bin.getBin(i+diceNum))/tossNum));
+
+        }
+        String printAns = result.toString();
+        System.out.print(printAns);
+    }
+
 
 
 }

src/main/java/SimulationTest.java

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