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methods written tests passed

Jacob Andersen 5 years ago
parent
commit
1b8399d664

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.DS_Store View File


+ 11
- 11
README.md View File

@@ -1,23 +1,23 @@
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-# Kris-Tof Dice Toss
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+# Kris-Tof Andersen.Jacob.Dice Toss
2 2
 
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-Create a `Dice` class that acts like a set of N random-tossed dies.
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+Create a `Andersen.Jacob.Dice` class that acts like a set of N random-tossed dies.
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 ```
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-Dice dice = new Dice(2); // for craps
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-Dice dice = new Dice(5); // for yatzee
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+Andersen.Jacob.Dice dice = new Andersen.Jacob.Dice(2); // for craps
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+Andersen.Jacob.Dice dice = new Andersen.Jacob.Dice(5); // for yatzee
7 7
 
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 Integer toss = dice.tossAndSum();
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 ```
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-make a couple unit tests for the Dice class. 
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+make a couple unit tests for the Andersen.Jacob.Dice class. 
11 11
 
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-Create a tracking class `Bins` that can be used to track the results of dice tosses.
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+Create a tracking class `Andersen.Jacob.Bins` that can be used to track the results of dice tosses.
13 13
 
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 ```
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-Bins results = new Bins(2, 12); // for bins from 2..12
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+Andersen.Jacob.Bins results = new Andersen.Jacob.Bins(2, 12); // for bins from 2..12
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 Integer numberOfTens = results.getBin(10); // returns the number of tens in the 10 bin
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 results.incrementBin(10); // should increment bin # 10
18 18
 
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 ```
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-make a couple unit tests for the Bins class. Your test methods should follow this template:
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+make a couple unit tests for the Andersen.Jacob.Bins class. Your test methods should follow this template:
21 21
 
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     in the tests
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     Create a new Bin
@@ -27,7 +27,7 @@ make a couple unit tests for the Bins class. Your test methods should follow thi
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29 29
 
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-Create a `Simulation` class whose Constructor takes arguments:
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+Create a `Andersen.Jacob.Simulation` class whose Constructor takes arguments:
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     numberOfDies to throw
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     numberOfTosses to run
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@@ -35,7 +35,7 @@ Create a simulation where two dies are thrown *one million times*.
35 35
 Keep track of each roll by incrementing the correct Bin.
36 36
 
37 37
 ```
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-Simulation sim = new Simulation(2, 10000);
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+Andersen.Jacob.Simulation sim = new Andersen.Jacob.Simulation(2, 10000);
39 39
 
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 sim.runSimulation();
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@@ -53,7 +53,7 @@ the results of the sim.printResults() should be an output string that looks like
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54 54
 ```
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 ***
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-Simulation of 2 dice tossed for 1000000 times.
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+Andersen.Jacob.Simulation of 2 dice tossed for 1000000 times.
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 ***
58 58
 
59 59
  2 :    27917: 0.03 **

+ 11
- 0
jacobresults.md View File

@@ -0,0 +1,11 @@
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+ 2 :    28046: 0.03 **   
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+  3 :    55669: 0.06 *****
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+  4 :    83555: 0.08 ********
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+  5 :   110838: 0.11 ***********
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+  6 :   138899: 0.14 *************
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+  7 :   166007: 0.17 ****************
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+  8 :   138650: 0.14 *************
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+  9 :   111201: 0.11 ***********
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+ 10 :    83719: 0.08 ********
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+ 11 :    55728: 0.06 *****
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+ 12 :    27687: 0.03 **   

+ 8
- 1
pom.xml View File

@@ -7,6 +7,13 @@
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     <groupId>com.zipcodewilmington</groupId>
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     <artifactId>Dicey-Lab</artifactId>
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     <version>1.0-SNAPSHOT</version>
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-
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+<dependencies>
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+    <dependency>
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+        <groupId>junit</groupId>
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+        <artifactId>junit</artifactId>
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+        <version>4.12</version>
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+        <scope>test</scope>
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+    </dependency>
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+</dependencies>
11 18
 
12 19
 </project>

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+ 36
- 0
src/Test/java/Andersen/Jacob/Binstest.java View File

@@ -0,0 +1,36 @@
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+package Andersen.Jacob;
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+
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+import org.junit.Assert;
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+import org.junit.Test;
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+
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+import java.util.HashMap;
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+
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+public class Binstest {
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+    @Test
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+    public void concstructorTest(){
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+        // Given
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+
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+        Bins bin = new Bins(2,12);
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+
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+        // When
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+        Integer actual=bin.bins.get(12);
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+        System.out.println(actual);
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+        //Then
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+        Assert.assertTrue(actual == 0);
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+
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+    }
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+    @Test
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+    public void trackTossTest(){
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+        //Given
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+        Bins bin = new Bins(2,12);
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+        Dice dice = new Dice(2);
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+        Integer tossSum = dice.tossAndSum();
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+        bin.trackToss(dice.tossAndSum());
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+        bin.trackToss(tossSum);
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+        //when
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+
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+        Integer actual = bin.bins.get(tossSum);
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+        Assert.assertTrue(actual == 1);
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+        System.out.println(bin.bins);
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+    }
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+}

+ 4
- 0
src/Test/java/Andersen/Jacob/Checkbin.java View File

@@ -0,0 +1,4 @@
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+package Andersen.Jacob;
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+
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+public class Checkbin {
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+}

+ 23
- 0
src/Test/java/Andersen/Jacob/DiceTest2.java View File

@@ -0,0 +1,23 @@
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+package Andersen.Jacob;
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+
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+import org.junit.Assert;
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+import org.junit.Test;
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+
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+public class DiceTest2 {
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+    @Test
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+    public void getNumberOFDiceTest() {
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+        //given
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+        Dice dice = new Dice(2);
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+        Integer expected = 2;
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+        Integer actual = dice.getNumberOfDice();
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+        Assert.assertEquals(actual, expected);
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+    }
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+
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+    @Test
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+    public void tossAndSumTest() {
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+        //given
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+        Dice dice = new Dice(2);
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+        Integer  actual = dice.tossAndSum();
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+        Assert.assertTrue(actual >= 2 && actual <= 12);
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+    }
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+}

+ 17
- 0
src/Test/java/Andersen/Jacob/Dicetest.java View File

@@ -0,0 +1,17 @@
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+package Andersen.Jacob;
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+
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+import org.junit.Assert;
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+import org.junit.Test;
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+
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+public class Dicetest {
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+
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+    @Test
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+    public void rolltest(){
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+        //Given
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+        Die die = new Die();
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+        Integer actual = die.toss();
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+        Assert.assertTrue(actual >=1 && actual <=666);
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+    }
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+
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+}
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+

+ 15
- 0
src/Test/java/SimulationTest.java View File

@@ -0,0 +1,15 @@
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+import Andersen.Jacob.Simulation;
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+import org.junit.Test;
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+
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+public class SimulationTest {
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+    @Test
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+    public void runSimulation(){
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+        //Given
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+        //numberOfDies
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+        //When
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+        Simulation simulation = new Simulation(2,100);
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+        simulation.runSimulation();
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+
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+        //Then
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+    }
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+}

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+ 22
- 0
src/main/java/Andersen/Jacob/Bins.java View File

@@ -0,0 +1,22 @@
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+package Andersen.Jacob;
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+
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+import java.util.HashMap;
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+
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+public class Bins {
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+    HashMap<Integer, Integer> bins;
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+
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+    public Bins(Integer min, Integer max) {
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+        bins = new HashMap<Integer, Integer>();
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+        initializeBins(min,max);
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+    }
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+
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+    private void initializeBins(Integer min, Integer max) {
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+        for (int i = min; i <= max; i++) {
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+            bins.put(i, 0);
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+        }
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+    }
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+    public void trackToss(int tossSum){
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+        bins.put(tossSum, bins.get(tossSum)+1);
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+
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+    }
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+}

+ 33
- 0
src/main/java/Andersen/Jacob/Dice.java View File

@@ -0,0 +1,33 @@
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+package Andersen.Jacob;
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+
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+import java.util.ArrayList;
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+
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+public class Dice {
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+    ArrayList<Die> dice;
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+
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+    public Dice(Integer number) {
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+
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+
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+        dice = new ArrayList<Die>();
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+        initializeDice(number);
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+    }
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+
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+    private void initializeDice(Integer number) {
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+        for (int i = 0; i < number; i++) {
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+            Die die = new Die();
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+            dice.add(die);
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+        }
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+    }
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+
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+        public Integer getNumberOfDice () {
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+            return dice.size();
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+        }
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+        public Integer tossAndSum() {
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+        Integer sum=0;
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+        for(Die die : dice) {
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+            sum+=die.toss();
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+        }
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+            return sum;
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+        }
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+    }
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+

+ 20
- 0
src/main/java/Andersen/Jacob/Die.java View File

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+package Andersen.Jacob;
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+
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+import java.util.Random;
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+
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+public class Die {
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+    int sides;
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+    public Die(Integer sides){
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+        this.sides=sides;
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+    }
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+    public Die(){
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+        this(6);
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+    }
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+    public Integer toss(){
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+
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+       Random random = new Random();
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+
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+        return random.nextInt(6)+1;
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+    }
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+}
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+

+ 14
- 0
src/main/java/Andersen/Jacob/Main.java View File

@@ -0,0 +1,14 @@
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+package Andersen.Jacob;
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+
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+public class Main {
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+    public static void main(String[] args) {
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+        Simulation simulation = new Simulation(2, 1000000);
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+        simulation.runSimulation();
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+        simulation.returnResults();
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+
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+
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+        //System.out.println(simulation.bin.bins);
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+
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+
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+    }
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+}

+ 55
- 0
src/main/java/Andersen/Jacob/Simulation.java View File

@@ -0,0 +1,55 @@
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+package Andersen.Jacob;
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+
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+public class Simulation {
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+
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+    int numberOfDies;
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+    int numberOfTosses;
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+    Dice dice;
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+    public Bins bin;
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+
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+    public Simulation(int numberOfDies, int numberOfTosses) {
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+        this.numberOfDies = numberOfDies;
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+        this.numberOfTosses = numberOfTosses;
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+        this.dice = new Dice(numberOfDies);
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+        this.bin = new Bins(numberOfDies, numberOfDies * 6);
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+
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+    }
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+
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+    public void runSimulation() {
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+
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+        for (int i = 1; i < numberOfTosses; i++) {
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+            bin.trackToss(dice.tossAndSum());
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+        }
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+
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+    }
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+
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+    public String countStars(double percent){
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+        String result="";
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+        int d=(int)(percent*100);
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+        for (int i=0;i<d;i++){
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+            result+="*";
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+        }
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+        return result;
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+
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+    }
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+
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+    public void returnResults() {
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+
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+        int d=0;
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+        double freqPerc=0;
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+        double freqPerc2=bin.bins.get(2)/10000000;
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+        for(int i=2;i<13;i++){
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+            d=bin.bins.get(i);
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+
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+            freqPerc=((double)d/numberOfTosses);
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+
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+            String str=String.format("%3d : %8d: %-2.2f %-5s",i,d, freqPerc, countStars(freqPerc));
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+            System.out.println(str);
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+
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+        }
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+    }
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+}
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+
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+
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+
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+

+ 0
- 4
src/main/java/Bins.java View File

@@ -1,4 +0,0 @@
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-
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-public class Bins {
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-
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-}

+ 0
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src/main/java/Dice.java View File

@@ -1,4 +0,0 @@
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-public class Dice {
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-
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-
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-}

+ 0
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src/main/java/Simulation.java View File

@@ -1,5 +0,0 @@
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-public class Simulation {
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-
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-
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-
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-}