created project

Answers/.gitignore

@@ -0,0 +1,29 @@
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

Answers/Quidditch.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

Answers/src/Beater.java

@@ -0,0 +1,10 @@
+public class Beater extends Player implements Success{
+    private static final double STOPPROBABILITY=0.4;
+    public Beater(String name,int number) {
+        super();
+    }
+    @Override
+    public boolean isSuccessful(){
+            return Math.random()<STOPPROBABILITY;
+    }
+    }

Answers/src/Chaser.java

@@ -0,0 +1,11 @@
+public class Chaser extends Player implements Success{
+    private static final double SCORPROBABILITY=0.3;
+    public Chaser(String name,int number)
+    {
+        super();
+    }
+    @Override
+    public boolean isSuccessful(){
+        return Math.random()<SCORPROBABILITY;
+    }
+}

Answers/src/Keeper.java

@@ -0,0 +1,11 @@
+ public class Keeper extends Player implements Success{
+    private static final double SAVEPROBILITY=0.7;
+    public Keeper(String name,int number)
+    {
+        super();
+    }
+    @Override
+    public boolean isSuccessful(){
+        return Math.random()<SAVEPROBILITY;
+    }
+}

Answers/src/Match.java

@@ -0,0 +1,11 @@
+public class Match {
+    private Team teamA;
+    private Team teamB;
+    private Random random;
+    public Match(Team teamA,Team teamB)
+    {
+        this.teamA=teamA;
+        this.teamB=teamB;
+        random=new Random();
+    }
+}

Answers/src/Player.java

@@ -0,0 +1,17 @@
+public class Player {
+    private String name;
+    private int number;
+    public Player(String name,String number)
+    {
+        this.name=name;
+        this.number=number;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+}

Answers/src/Quidditch.java

@@ -0,0 +1,9 @@
+import java.util.Random;
+
+public class Quidditch {
+    public static void main(String[] args){
+ Team teamA=new Team("Gryffindor");
+ Team teamB=new Team("Slytherin");
+ Match match =new match(teamA,teamB);
+    }
+}

Answers/src/Seeker.java

@@ -0,0 +1,10 @@
+public class Seeker extends Player implements Success{
+    private static final double SNITCHPROBABILITY=0.5;
+    public Seeker(String name,int number){
+        super();
+    }
+    @Override
+    public boolean isSuccessful(){
+        return Math.random()<SNITCHPROBABILITY;
+    }
+}

Answers/src/Success.java

@@ -0,0 +1,3 @@
+public interface Success {
+    boolean isSuccessful();
+}

Answers/src/Team.java

@@ -0,0 +1,32 @@
+public class Team {
+    private String name;
+    private Player[] players;
+    private int goalsScored;
+    public void Team(String name) {
+        this.name = name;
+        players = new Player[7];
+        players[0] = new Keeper("Keeper", 1);
+        players[1] = new Seeker("Seeker", 2);
+        for (int i = 2; i < 5; i++)
+            players[i] = new Chaser("Chaser" + (i - 1), i + 1);
+        for (int i = 5; i < 7; i++)
+            players[i] = new Beater("Beater" + (i - 1), i + 1);
+
+        goalsScored=0;}
+    public void setGoal() {
+        goalsScored++;
+    }
+    public String getName(){
+        return name;}
+    public boolean play(){
+        int successfulKeepers=0;
+        int successfulChasers=0;
+        int successfulBeaters=0;
+        for (Player player:players)
+        {if (player instanceof Keeper && ((Success).player).isSuccessful(())){successfulKeepers++;}
+            else if (player instanceof Chaser && ((Success).player).isSuccessful(())){successfulChasers++;}
+            else if (player instanceof Beater && ((Success).player).isSuccessful(())){successfulBeaters++;}
+    }
+    return( (successfulKeepers> 0) && (successfulChasers>=2) && (successfulBeaters >=1));
+}
+}