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03-05-2008, 01:42 PM
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Member
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Join Date: Mar 2008
Posts: 3
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Cant get the logic right
Hello everyone, i was hoping for some help with java project,
here is the conditions of the programme i am making
• the Yellow and Green Houses compete against each other in a series of
matches (18 peeps in yellow 18 peeps in green each house has 6 classes)
• each match is ‘best of three’ single games of one type of game
• pupils cannot play other pupils from the same class
• pupils can only play another pupil once
• each pupil will take part in one match for each type of game.
below is the code that i have written
Class Student
public class student
{
private String name;
private int c_lass;
private int []game;
private int []oponent;
public student(String n, int c)
{
oponent=new int [18];
game = new int [4];
game[0] = -1;
game[1] = -1;
game [2] = -1;
game[3] = -1;
c_lass = c;
name = n;
}
public String getName()
{
return name;
}
public int getC_lass()
{
return c_lass;
}
public int getGame(int y)
{
return game [y];
}
public int getOponent(int y)
{
return oponent [y];
}
public void changeName (String y)
{
name = y;
}
public void changeC_lass (int y)
{
c_lass = y;
}
public void changeGame (int gindex, int oponent)
{
game [gindex] = oponent;
}
public void eraseGame (int y)
{
game [y] = -1;
}
public void eraseOponent (int y)
{
oponent [y] = 0;
}
public void changeOponent (int y)
{
oponent [y] = 1;
}
}
Class StudentDetails
public class studentdetails
{
public student [] gh = new student [18];
public student [] yh = new student [18];
public studentdetails()
{
}
public void createstudentdetails ()
{
gh[0]=new student("Arnold",1);
gh[1]=new student("Bertha",1);
gh[2]=new student("Bella",1);
gh[3]=new student("Charles",2);
gh[4]=new student("Denise",2);
gh[5]=new student("Edward",3);
gh[6]=new student("Earl",3);
gh[7]=new student("Freda",3);
gh[8]=new student("George",4);
gh[9]=new student("Gerry",4);
gh[10]=new student("Harrier",4);
gh[11]=new student("Helen",4);
gh[12]=new student("Ian",5);
gh[13]=new student("Issac",5);
gh[14]=new student("Jenny",5);
gh[15]=new student("Keith",6);
gh[16]=new student("Kevin",6);
gh[17]=new student("Leila",6);
yh[0]=new student("Albert",1);
yh[1]=new student("Aswan",1);
yh[2]=new student("Betty",1);
yh[3]=new student("Colin",2);
yh[4]=new student("Debra",2);
yh[5]=new student("Elias",3);
yh[6]=new student("Felicity",3);
yh[7]=new student("Fiona",3);
yh[8]=new student("Gilbert",4);
yh[9]=new student("Gwyn",4);
yh[10]=new student("Hebe",4);
yh[11]=new student("Hilary",4);
yh[12]=new student("Idris",5);
yh[13]=new student("Jane",5);
yh[14]=new student("Jasmine",5);
yh[15]=new student("Kenny",6);
yh[16]=new student("Laura",6);
yh[17]=new student("Linda",6);
}
public void printstudentdetails()
{
for(int i=0;i<18;i++)
{
System.out.println(gh[i].getName()+" Class "+gh[i].getC_lass()+" Green House");
System.out.println(yh[i].getName()+" Class "+yh[i].getC_lass()+" Yellow House");
}
}
public student getgh(int y)
{
return gh[y];
}
public student getyh(int y)
{
return yh[y];
}
}
Class Matchlist (the problematic one!)
/** http://java.sun.com/j2se/1.5.0/docs/api/java/lang/StringBuilder.html */
public class Matchlist
{
private studentdetails sd = new studentdetails();
/** matchList StringBuilder stores the match list in progress */
private StringBuilder matchList = new StringBuilder();
public Matchlist()
{
}
/** Method to create the actual match list, returns the list as a string */
public String CreateMatch()
{
sd.createstudentdetails();
for (int g = 0; g < 4; g++)/**g = game increments to 4 games*/
{
for (int y = 0; y < 18; y++)/**y = green house - adds the user to the game from the green house using an array until the limit has been met*/
{
if (sd.getgh(y).getGame(g) == -1)
{
for (int x = 0; x < 18; x++) /**x = yellow house - adds the user to the game from the yellow house using an array until the limit has been met*/
{
if (sd.getyh(x).getGame(g) == -1)
{
if (sd.getgh(y).getC_lass() != sd.getyh(x).getC_lass()) /** ! means a boolean component operator */
{
sd.getyh(x).changeGame(g, x);
sd.getgh(y).changeGame(g, y);
sd.getyh(x).changeOponent(y);
sd.getgh(y).changeOponent(x);
/** Build the match list step by step using append with \n at the end to create a new line */
matchList.append(sd.getyh(x).getName() + " vs " + sd.getgh(y).getName() + "\n");
/** The printline isnt needed any more
*System.out.println(sd.getyh(x).getName()+" vs "+sd.getgh(y).getName()); */
}
}
}
}
}
}
/** Convert the stringbuilder into an actual string, then return it using the code below */
String completeMatchList = matchList.toString();
return completeMatchList;
}
}
Class Interface
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class MyPanel extends JPanel implements ActionListener
{ /**add the "implements ActionListener" line so the class knows its going to take an input */
private Matchlist ml = new Matchlist();
private JButton btngenerate;
private JTextArea txtbdisplaymatch;
private JLabel lblvs;
private JLabel lblgreenhouse;
private JLabel lblyellowhouse;
private JLabel lblname;
private JTextArea txtbgreenentry;
private JTextField txtbyellowentry;
private JTextArea txtbenterscoreg;
private JTextField txtbenterscorey;
private JButton btnfinalresults;
private JScrollPane scrollpane;
public MyPanel()
{
//construct components
btngenerate = new JButton("Generate Match List");
txtbdisplaymatch = new JTextArea(5, 5);
scrollpane = new javax.swing.JScrollPane(txtbdisplaymatch);
scrollpane.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
lblvs = new JLabel(" vs");
lblgreenhouse = new JLabel(" Green House");
lblyellowhouse = new JLabel(" Yellow House");
lblname = new JLabel(" Name");
txtbgreenentry = new JTextArea(5, 5);
txtbyellowentry = new JTextField(5);
txtbenterscoreg = new JTextArea(5, 5);
txtbenterscorey = new JTextField(5);
btnfinalresults = new JButton("View Final Results");
//adjust size and set layout
setPreferredSize(new Dimension(542, 542));
setLayout(null);
//add components
add(btngenerate);
add(scrollpane);
add(lblvs);
add(lblgreenhouse);
add(lblyellowhouse);
add(lblname);
add(txtbgreenentry);
add(txtbyellowentry);
add(txtbenterscoreg);
add(txtbenterscorey);
add(btnfinalresults);
//set component bounds (only needed by Absolute Positioning)
btngenerate.setBounds(185, 25, 165, 20);
scrollpane.setBounds(60, 70, 415, 320); /**Set the bounds on the scroll not the text area */
lblvs.setBounds(285, 415, 25, 25);
lblgreenhouse.setBounds(120, 415, 100, 25);
lblyellowhouse.setBounds(385, 415, 100, 25);
lblname.setBounds(30, 445, 45, 25);
txtbgreenentry.setBounds(75, 445, 155, 20);
txtbyellowentry.setBounds(355, 445, 155, 20);
txtbenterscoreg.setBounds(235, 445, 20, 20);
txtbenterscorey.setBounds(330, 445, 20, 20);
btnfinalresults.setBounds(185, 495, 205, 25);
//add action listener
btngenerate.addActionListener(this); /**use the components name and use the ".addActionListener()" method to enable this component to take inputs*/
}
public void actionPerformed(ActionEvent e)
{/**create a method called actionPerformed, this method will contain the code which is run when the component is pressed.*/
if (e.getSource() == btngenerate)
{ /**use the getSource() method and use it to see if it is equal to the compoenent.*/
txtbdisplaymatch.setText(ml.CreateMatch()); //use the setText() method to add text from variable a to the txtbdisplaymatch which will display in the text area when the generate button is pressed.
}
}
public static void main(String[] args)
{
JFrame frame = new JFrame("MyPanel");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(new MyPanel());
frame.pack();
frame.setVisible(true);
}
}
ok, so weh ni compile and run the programme which i am making using the environemnt called blue j i get the following match list
Colin vs Arnold
Debra vs Arnold
Elias vs Arnold
Felicity vs Arnold
Fiona vs Arnold
Gilbert vs Arnold
Gwyn vs Arnold
Hebe vs Arnold
Hilary vs Arnold
Idris vs Arnold
Jane vs Arnold
Jasmine vs Arnold
Kenny vs Arnold
Laura vs Arnold
Linda vs Arnold
Albert vs Charles
Aswan vs Charles
Betty vs Charles
Colin vs Arnold
Debra vs Arnold
Elias vs Arnold
Felicity vs Arnold
Fiona vs Arnold
Gilbert vs Arnold
Gwyn vs Arnold
Hebe vs Arnold
Hilary vs Arnold
Idris vs Arnold
Jane vs Arnold
Jasmine vs Arnold
Kenny vs Arnold
Laura vs Arnold
Linda vs Arnold
Albert vs Charles
Aswan vs Charles
Betty vs Charles
Colin vs Arnold
Debra vs Arnold
Elias vs Arnold
Felicity vs Arnold
Fiona vs Arnold
Gilbert vs Arnold
Gwyn vs Arnold
Hebe vs Arnold
Hilary vs Arnold
Idris vs Arnold
Jane vs Arnold
Jasmine vs Arnold
Kenny vs Arnold
Laura vs Arnold
Linda vs Arnold
Albert vs Charles
Aswan vs Charles
Betty vs Charles
Colin vs Arnold
Debra vs Arnold
Elias vs Arnold
Felicity vs Arnold
Fiona vs Arnold
Gilbert vs Arnold
Gwyn vs Arnold
Hebe vs Arnold
Hilary vs Arnold
Idris vs Arnold
Jane vs Arnold
Jasmine vs Arnold
Kenny vs Arnold
Laura vs Arnold
Linda vs Arnold
Albert vs Charles
Aswan vs Charles
Betty vs Charles
this isnt right and i really cannot figure out why this is the case, please can somone help me
thanks for your time
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03-08-2008, 06:51 PM
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Moderator
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Join Date: Dec 2007
Location: NewEngland, US
Posts: 841
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Welcome to the Java Forums!
I know you gave a bulleted list of requirements for your program, but I'm afraid I don't quite understand them - can you be more descriptive of why your output is "not right" ? For example, why isn't is right? What should it be outputting?
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03-08-2008, 07:24 PM
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Member
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Join Date: Mar 2008
Posts: 3
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Problems
Ok well since the last time i have posted i have made a few changes to the code and i am now closer to completing it
the specifications for the game stand as befroe, ill list them again and add the rest of the explanation
• the Yellow and Green Houses compete against each other in a series of
matches (18 peeps in yellow 18 peeps in green each house has 6 classes)
• each match is ‘best of three’ single games of one type of game
• pupils cannot play other pupils from the same class
• pupils can only play another pupil once
• each pupil will take part in one match for each type of game (there are four game types, snaap, scrabble, spillinkins and cribbage).
before the output was just displaying arnold against eveyone else but this isnt correct, becuase it doesnt fit the above rules so ive changed it to the following;
student
public class student
{
private String name;
private int c_lass;
private String[] game;
public student(String n, int c)
{
game = new String[4];
game[0] ="";
game[1] ="";
game[2] ="";
game[3] ="";
c_lass = c;
name = n;
}
public void getEmptyMatches()
{
for (String i : game)
{
if (i.equalsIgnoreCase(""))
{
System.out.println(this.name + "Is missing a match");
}
}
}
public String getName()
{
return name;
}
public int getC_lass()
{
return c_lass;
}
/** Change getGame to return a string */
public String getGame(int y)
{
return game[y];
}
public void changeName(String y)
{
name = y;
}
public void changeC_lass(int y)
{
c_lass = y;
}
public boolean checkPlayed(String player)
{
for (String i : game)
{
if (i.compareTo(player) == 0)
{
return true;
}
}
return false;
}
public void changeGame(int gindex, String opponent)
{
game[gindex] = opponent;
}
}
studentdetails
public class studentdetails
{
public student[] gh = new student[18];
public student[] yh = new student[18];
public studentdetails()
{
}
public void createstudentdetails()
{
gh[0] = new student("Arnold", 1);
gh[1] = new student("Bertha", 1);
gh[2] = new student("Bella", 1);
gh[3] = new student("Charles", 2);
gh[4] = new student("Denise", 2);
gh[5] = new student("Edward", 3);
gh[6] = new student("Earl", 3);
gh[7] = new student("Freda", 3);
gh[8] = new student("George", 4);
gh[9] = new student("Gerry", 4);
gh[10] = new student("Harrier", 4);
gh[11] = new student("Helen", 4);
gh[12] = new student("Ian", 5);
gh[13] = new student("Issac", 5);
gh[14] = new student("Jenny", 5);
gh[15] = new student("Keith", 6);
gh[16] = new student("Kevin", 6);
gh[17] = new student("Leila", 6);
yh[0] = new student("Albert", 1);
yh[1] = new student("Aswan", 1);
yh[2] = new student("Betty", 1);
yh[3] = new student("Colin", 2);
yh[4] = new student("Debra", 2);
yh[5] = new student("Elias", 3);
yh[6] = new student("Felicity", 3);
yh[7] = new student("Fiona", 3);
yh[8] = new student("Gilbert", 4);
yh[9] = new student("Gwyn", 4);
yh[10] = new student("Hebe", 4);
yh[11] = new student("Hilary", 4);
yh[12] = new student("Idris", 5);
yh[13] = new student("Jane", 5);
yh[14] = new student("Jasmine", 5);
yh[15] = new student("Kenny", 6);
yh[16] = new student("Laura", 6);
yh[17] = new student("Linda", 6);
}
public void printstudentdetails()
{
for (int i = 0; i < 18; i++)
{
System.out.println(gh[i].getName() + " Class " + gh[i].getC_lass() + " Green House");
System.out.println(yh[i].getName() + " Class " + yh[i].getC_lass() + " Yellow House");
}
}
public student getgh(int y)
{
return gh[y];
}
public student getyh(int y)
{
return yh[y];
}
}
matchlist
public class Matchlist
{
private studentdetails sd = new studentdetails();
/** matchList StringBuilder stores the match list in progress */
private StringBuilder matchList = new StringBuilder();
private int loop = 0;
private int matches = 0;
public Matchlist()
{
sd.createstudentdetails();
}
/** Method to create the actual match list, returns the list as a string */
public String CreateMatch()
{
int g;
int y;
for (g = 0; g < 4; g++)//g = game
{
for (y = 17; y > -1; y--)//y = green house
{
/** Check to see if the game is empty */
if (sd.getgh(y).getGame(g).equalsIgnoreCase(""))
{
for (int x = 0; x < 18; x++) //x = yellow house
{
if (sd.getyh(x).getGame(g).equalsIgnoreCase(""))
{
if (sd.getgh(y).getC_lass() != sd.getyh(x).getC_lass())
{
/** Check to see if the person has played the other person */
if (sd.getgh(y).checkPlayed(sd.getyh(x).getName()) == false)
{
/** Set the game to the name of the opponent played */
sd.getyh(x).changeGame(g, sd.getgh(y).getName());
sd.getgh(y).changeGame(g, sd.getyh(x).getName());
/** Build the match list step by step using append with \n at the end to create a new line */
matchList.append(sd.getyh(x).getName() + " vs " + sd.getgh(y).getName() + "\n");
matches++;
break;
}
/** Don't need the println anymore, delete it if you want
*System.out.println(sd.getyh(x).getName()+" vs "+sd.getgh(y).getName());
*/
}
}
}
}
}
}
/** Convert the stringbuilder into an actual string, then return it */
String completeMatchList = matchList.toString();
System.out.println(matches);
for (int i = 0; i <18; i++)
{
sd.getyh(i).getEmptyMatches();
sd.getgh(i).getEmptyMatches();
}
return completeMatchList;
}
}
interface
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class MyPanel extends JPanel implements ActionListener
{ //add the "implements ActionListener" line so the class knows its going to take an input
private Matchlist ml = new Matchlist();
private JButton btngenerate;
private JTextArea txtbdisplaymatch;
private JLabel lblvs;
private JLabel lblgreenhouse;
private JLabel lblyellowhouse;
private JLabel lblname;
private JTextArea txtbgreenentry;
private JTextField txtbyellowentry;
private JTextArea txtbenterscoreg;
private JTextField txtbenterscorey;
private JButton btnfinalresults;
private JScrollPane scrollpane;
public MyPanel()
{
//construct components
btngenerate = new JButton("Generate Match List");
txtbdisplaymatch = new JTextArea(5, 5);
/** Might want to change the name of scrollpane here and in the setbounds to something else, I couldn't be bothered to think of anything */
scrollpane = new javax.swing.JScrollPane(txtbdisplaymatch);
scrollpane.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
lblvs = new JLabel(" vs");
lblgreenhouse = new JLabel(" Green House");
lblyellowhouse = new JLabel(" Yellow House");
lblname = new JLabel(" Name");
txtbgreenentry = new JTextArea(5, 5);
txtbyellowentry = new JTextField(5);
txtbenterscoreg = new JTextArea(5, 5);
txtbenterscorey = new JTextField(5);
btnfinalresults = new JButton("View Final Results");
//adjust size and set layout
setPreferredSize(new Dimension(542, 542));
setLayout(null);
//add components
add(btngenerate);
add(scrollpane);
add(lblvs);
add(lblgreenhouse);
add(lblyellowhouse);
add(lblname);
add(txtbgreenentry);
add(txtbyellowentry);
add(txtbenterscoreg);
add(txtbenterscorey);
add(btnfinalresults);
//set component bounds (only needed by Absolute Positioning)
btngenerate.setBounds(185, 25, 165, 20);
scrollpane.setBounds(60, 70, 415, 320); /**Changed it from setting the bounds on the textarea to setting them on the scrollpane */
lblvs.setBounds(285, 415, 25, 25);
lblgreenhouse.setBounds(120, 415, 100, 25);
lblyellowhouse.setBounds(385, 415, 100, 25);
lblname.setBounds(30, 445, 45, 25);
txtbgreenentry.setBounds(75, 445, 155, 20);
txtbyellowentry.setBounds(355, 445, 155, 20);
txtbenterscoreg.setBounds(235, 445, 20, 20);
txtbenterscorey.setBounds(330, 445, 20, 20);
btnfinalresults.setBounds(185, 495, 205, 25);
//add action listener
btngenerate.addActionListener(this); //use the components name and use the ".addActionListener()" method to enable this component to take inputs
}
public void actionPerformed(ActionEvent e)
{//create a method called actionPerformed, this method will contain the code which is run when the component is pressed.
/** Don't need these anymore as CreateMatch is called when setting the textarea
//ml.CreateMatch();
//ml.showList();
//String a = "hello"; //create a string variable called "a" and store some text in it.
*/
if (e.getSource() == btngenerate)
{ //use the getSource() method and use it to see if it is equal to the compoenent.
txtbdisplaymatch.setText(ml.CreateMatch()); //use the setText() method to add text from variable a to the txtbdisplaymatch which will display in the text area when the generate button is pressed.
}
}
public static void main(String[] args)
{
JFrame frame = new JFrame("MyPanel");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(new MyPanel());
frame.pack();
frame.setVisible(true);
}
}
so now i do get a correct matchlist almost, there are a maximum of 72 games that need to be generated, 18 people, 4 games, = 72, however im not gettign all of them, im managing upto 68 i think
hope this is a little clearer, its really hard to explain,
thanks
Last edited by jermaindefoe : 03-08-2008 at 07:27 PM.
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03-10-2008, 06:44 PM
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Member
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Join Date: Mar 2008
Posts: 3
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any chance you could take a peek now? im 4 ganes, 8 people away from finishing the project 
regards |
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03-11-2008, 01:22 AM
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Senior Member
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Join Date: Jul 2007
Posts: 1,189
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I trid to break up the code block in your CreateMatch method a bit but wasn't able to do any better than you did (without changing the data in studentdetails). I think you've got it.
public class Matchlist
{
private studentdetails sd = new studentdetails();
/** matchList StringBuilder stores the match list in progress */
private StringBuilder matchList = new StringBuilder();
private int loop = 0;
private int matches = 0;
int numOfStudents = 18;
int numOfGames = 4;
public Matchlist()
{
sd.createstudentdetails();
}
/** Method to create the actual match list, returns the list as a string */
public String CreateMatch()
{
student[] yellowStudents = getYellowStudents();
for(int j = numOfStudents-1; j >= 0 ; j--)
{
student green = sd.getgh(j);
assignGames(green, yellowStudents);
}
student[] greenStudents = getGreenStudents();
for(int j = 0; j < numOfStudents; j++)
{
student yellow = sd.getyh(j);
assignGames(yellow, greenStudents);
}
/*
// Using this loop in the first block above gives
// 64 matches with 4 missing for each name below.
//for(int j = 0; j < numOfStudents; j++)
// Game opponents for Kevin, Laura, Linda, Leila:
showGamesFor(sd.getgh(16));
showGamesFor(sd.getyh(16));
showGamesFor(sd.getyh(17));
showGamesFor(sd.getgh(17));
*/
/*
for (int g = 0; g < 4; g++) //g = game
{
for (int y = 17; y > -1; y--) //y = green house
{
// Check to see if the game is empty
if (sd.getgh(y).getGame(g).equalsIgnoreCase(""))
{
for (int x = 0; x < 18; x++) //x = yellow house
{
if (sd.getyh(x).getGame(g).equalsIgnoreCase(""))
{
if (sd.getgh(y).getC_lass() !=
sd.getyh(x).getC_lass())
{
// Check to see if the person has
// played the other person
if (sd.getgh(y).checkPlayed(
sd.getyh(x).getName()) == false)
{
// Set the game to the name of the
// opponent played
sd.getyh(x).changeGame(g,
sd.getgh(y).getName());
sd.getgh(y).changeGame(g,
sd.getyh(x).getName());
// Build the match list step by step
// using append with \n at the end
// to create a new line
matchList.append(sd.getyh(x).getName() +
" vs " + sd.getgh(y).getName() + "\n");
matches++;
break;
}
// Don't need the println anymore,
// delete it if you want
// System.out.println(sd.getyh(x).getName()+
// " vs "+sd.getgh(y).getName());
}
}
}
}
}
}
*/
// Game opponents for Arnold, Bertha, Laura, Linda:
showGamesFor(sd.getgh(0));
showGamesFor(sd.getgh(1));
showGamesFor(sd.getyh(16));
showGamesFor(sd.getyh(17));
// Check green house students.
checkForDuplicateGames(getGreenStudents(), "green");
// Check yellow house students.
checkForDuplicateGames(getYellowStudents(), "yellow");
/** Convert the stringbuilder into an actual string, then return it */
String completeMatchList = matchList.toString();
System.out.println("matches = " + matches);
for (int i = 0; i < 18; i++)
{
sd.getyh(i).getEmptyMatches();
sd.getgh(i).getEmptyMatches();
}
return completeMatchList;
}
// These next two methods belong in student details.
private student[] getGreenStudents()
{
student[] studs = new student[numOfStudents];
for(int j = 0; j < studs.length; j++)
{
studs[j] = sd.getgh(j);
}
return studs;
}
private student[] getYellowStudents()
{
student[] studs = new student[numOfStudents];
for(int j = 0; j < studs.length; j++)
{
studs[j] = sd.getyh(j);
}
return studs;
}
// Find 4 games/opponents for each student.
private void assignGames(student s, student[] opponents)
{
for(int j = 0; j < numOfGames; j++)
{
// Find the first qualified opponent.
for(int k = 0; k < opponents.length; k++)
{
student candidate = opponents[k];
boolean played = havePlayed(s, candidate);
boolean classOkay = isDifferentClass(s, candidate);
boolean canPlay = canPlayGame(j, s, candidate);
if(!played && classOkay && canPlay)
{
s.changeGame(j, candidate.getName());
candidate.changeGame(j, s.getName());
matchList.append(s.getName() + " vs " +
candidate.getName() + "\n");
matches++;
break;
}
}
}
}
private boolean havePlayed(student s1, student s2)
{
return s1.checkPlayed(s2.getName());
}
private boolean isDifferentClass(student s1, student s2)
{
return s1.getC_lass() != s2.getC_lass();
}
private boolean canPlayGame(int index, student s1, student s2)
{
return s1.getGame(index).equals("") &&
s2.getGame(index).equals("");
}
private boolean contains(String target, String[] strs)
{
if(target.equals(""))
return false;
for(int j = 0; j < strs.length; j++)
{
if(strs[j] != null && strs[j].equals(target))
return true;
}
return false;
}
private void showGamesFor(student s)
{
System.out.println("Game opponents for " + s.getName());
for(int j = 0; j < numOfGames; j++)
{
String game = s.getGame(j);
if(game.equals(""))
game = "empty";
System.out.println("\t" + game);
}
}
private void checkForDuplicateGames(student[] studs, String id)
{
int duplicateCount = 0;
for(int j = 0; j < studs.length; j++)
{
student stud = studs[j];
String[] names = new String[numOfGames];
for(int k = 0, count = 0; k < numOfGames; k++)
{
String name = stud.getGame(k);
if(contains(name, names))
{
System.out.printf("duplicate " + id +
" names for %s = %n\t%s%n",
stud.getName(),
java.util.Arrays.toString(names));
duplicateCount++;
}
else
names[count++] = name;
}
}
if(duplicateCount > 0)
System.out.println("duplicateCount for " + id + " house " +
"game opponents = " + duplicateCount);
}
}
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