Created
August 29, 2011 16:11
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Beurs
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# Compiled source # | |
################### | |
*.class | |
# OS generated files # | |
###################### | |
.DS_Store? | |
ehthumbs.db | |
Icon? | |
Thumbs.db |
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public class AandeelEigendom { | |
private int aantal; | |
public BeursAandelen aandeel; | |
public BeursSpeler eigenaar; | |
public AandeelEigendom (BeursAandelen aandeel, BeursSpeler eigenaar) | |
{ | |
this.aandeel=aandeel; | |
this.eigenaar=eigenaar; | |
aandeel.addAandeelEigendom(this); | |
eigenaar.addAandeelEigendom(this); | |
} | |
public boolean koop (Double geld, int aantal) | |
{ | |
if(geld< (aandeel.geefKoers()*aantal) ) //not enough money | |
return false; | |
geld -= aandeel.geefKoers()*aantal; | |
this.aantal+=aantal; | |
return true; | |
} | |
public boolean failiet() | |
{ | |
if(aandeel.geefKoers()!=(double)-1) | |
return false; | |
aantal=0; | |
return true; | |
} | |
} |
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import java.io.*; | |
import java.util.ArrayList; | |
public class BeursAandelen | |
{ | |
private double koers; | |
private String naam; | |
private static int aantalAandelen; | |
private double sterkte; // de sterkte van een aandeel-> hoe sterk stijgt/daalt het, en of het op termijn stijgt of daalt(0 = sterk, 10 = zwak) | |
private double maximum; | |
private double minimum; | |
private static double klein =1; | |
private ArrayList<AandeelEigendom> eigendom; | |
public void addAandeelEigendom(AandeelEigendom aandeel) | |
{ | |
eigendom.add(aandeel); | |
} | |
public BeursAandelen(double beginKoers, String beginNaam, double beginsterkte){ //beginkoers = default 100, beginstekrte = default 5 | |
aantalAandelen++; | |
koers=beginKoers; | |
naam = beginNaam; | |
sterkte = beginsterkte; | |
maximum = beginKoers; | |
minimum = beginKoers; | |
} | |
public BeursAandelen(String beginnaam){ | |
this(100.0,beginnaam,5); | |
} | |
public double geefKoers(){ | |
return koers; | |
} | |
public String geefNaam(){ | |
return naam; | |
} | |
public static int geefAantalaandelen(){ | |
return aantalAandelen; | |
} | |
public void printAandeel(){ | |
System.out.print("" + naam + "\t"); | |
System.out.print("" + koers + "\n"); | |
} | |
public void koerswijziging() throws IOException{ | |
InputStreamReader isr = new InputStreamReader(System.in); | |
BufferedReader in = new BufferedReader(isr); | |
koers =koers * (((Math.random()/1000) + 0.999501) + sterkte/10000000); | |
if (koers < klein) { | |
koers = -1; | |
System.out.println("aandeel " + naam + " is failliet"); | |
in.readLine(); | |
} | |
} | |
public void geefMaxMin(){ | |
System.out.println(maximum); | |
System.out.println(minimum); | |
} | |
public boolean failliet() | |
{ | |
for(AandeelEigendom i:eigendom) | |
if(!i.failiet()) | |
return false; | |
return true; | |
} | |
} |
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import java.util.ArrayList; | |
public class BeursSpeler { | |
private Double geld; | |
private ArrayList<AandeelEigendom> aandelen; | |
private String naam; | |
static int aantalSpelers; | |
static double beginbudget = 10000; | |
/** | |
* @param args | |
*/ | |
public BeursSpeler(double budget, String naam){ | |
aantalSpelers++; | |
geld = budget; | |
this.naam = naam; | |
} | |
public void addAandeelEigendom(AandeelEigendom aandeel) | |
{ | |
aandelen.add(aandeel); | |
} | |
public boolean koop(BeursAandelen aandeel, int aantal) | |
{ | |
AandeelEigendom eigendom=geefEigendom(aandeel); | |
if(eigendom==null) //eerste aankoop | |
eigendom = new AandeelEigendom(aandeel, this); | |
return eigendom.koop(this.geld, aantal); | |
} | |
public AandeelEigendom geefEigendom(BeursAandelen aandeel) | |
{ | |
for(AandeelEigendom eigendom : aandelen) | |
if(eigendom.aandeel==aandeel) | |
return eigendom; | |
return null; | |
} | |
} | |
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