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11 changes: 11 additions & 0 deletions diceRollResults.txt
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
2 : 27650: 0.03 **
3 : 55639: 0.06 *****
4 : 83133: 0.08 ********
5 : 111209: 0.11 ***********
6 : 139205: 0.14 *************
7 : 166772: 0.17 ****************
8 : 139358: 0.14 *************
9 : 110858: 0.11 ***********
10 : 83034: 0.08 ********
11 : 55398: 0.06 *****
12 : 27744: 0.03 **
39 changes: 38 additions & 1 deletion pom.xml
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,43 @@
<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>8</source>
<target>8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>5.4.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>5.4.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>RELEASE</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>RELEASE</version>
<scope>test</scope>
</dependency>
</dependencies>

</project>
29 changes: 28 additions & 1 deletion src/main/java/Bins.java
Original file line number Diff line number Diff line change
@@ -1,4 +1,31 @@
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

public class Bins {

}
Integer[] bins;
Integer min;
Integer max;

public Bins(Integer min, Integer max) {
bins = new Integer[max - min + 1];
this.min = min;
this.max = max;
Arrays.fill(bins, 0);
}

// looking for one index array [6]
public Integer getBinValue(Integer diceRoll) {

return bins[diceRoll - min];
}

public Integer[] getBins() {
return bins;
}

public Integer incrementBins(Integer diceRoll) {
return bins[diceRoll - min] ++;
}
}
49 changes: 49 additions & 0 deletions src/main/java/Dice.java
Original file line number Diff line number Diff line change
@@ -1,4 +1,53 @@
public class Dice {


// private static final int MAX_VALUE = 6;
private int numberOfDie;
int[] allTossedDice;


public static void main(String[] args) {
Dice die = new Dice(1);

Integer toss = die.tossAndSum();

System.out.println(toss);

}

public Dice(int numberOfDice) {
numberOfDie = numberOfDice;
}

public int tossAndSum() {
int sumOfDice = 0;
for (int i = 0; i < numberOfDie; i++) {
sumOfDice += rollDie();
}

return sumOfDice;
}

public int rollDie() {

return (int) (Math.random() * 6 + 1);
}

public int getNumberOfDie() {
return numberOfDie;
}

public void setNumberOfDie(int numberOfDie) {
this.numberOfDie = numberOfDie;
}

/*
public String toString()
{
String result = Integer.toString(faceValue);
return result;
}
*/


}
45 changes: 45 additions & 0 deletions src/main/java/Simulation.java
Original file line number Diff line number Diff line change
@@ -1,5 +1,50 @@
public class Simulation {

Integer numberOfDice;
Integer numberOfTosses;
Dice dice;
Bins bins;

public Simulation(Integer numberOfDice, Integer numberOfTosses) {
this.numberOfDice = numberOfDice;
this.numberOfTosses = numberOfTosses;
}

public void runSimulation() {
this.dice = new Dice(2);
this.bins = new Bins(2, 12);

for (int i = 0; i < numberOfTosses; i++) {
Integer sumUp = dice.tossAndSum();
bins.incrementBins(sumUp);
}
System.out.println("");
}

public void printResults() {
for(Integer i = 2; i <= 12; i++) {
Double percentage = (double) bins.getBinValue(i) / numberOfTosses;
System.out.printf("%2d : %7d: %.2f ", i, bins.getBinValue(i), percentage);
for(int j = 1; j < percentage * 100; j++)
{
System.out.print("*");
}
System.out.println();
}
}


public double getPercentage(Integer numberOfTosses, Bins bins) {
double percentage = 0;
for( int element : bins.getBins()) {
percentage = element/ numberOfTosses;
}
return percentage;
}

public static void main(String[] args) {
Simulation simulation = new Simulation(2, 1000000);
simulation.runSimulation();
simulation.printResults();
}
}
16 changes: 16 additions & 0 deletions src/test/java/BinsTest.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
import org.junit.jupiter.api.Test;

import java.util.HashMap;
import java.util.Map;

import static org.junit.jupiter.api.Assertions.*;

class BinsTest {
@Test
public void testBin1() {



}

}
17 changes: 17 additions & 0 deletions src/test/java/DiceTest.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;


public class DiceTest {

@Test
public void testGetNumberOfDice() {
int expected = 2;

Dice die = new Dice(expected);
int actual = die.getNumberOfDie();

Assertions.assertEquals(expected, actual);

}
}