Constructor problems

>
1. Create an integer to hold the suit of the card. You can use the constants that have been defined for you to represent the four suits, hearts, spades, clubs and diamonds.
2. Create an integer to hold the rank of the card. A card's rank is a number from 1 to 13 with 1 being an ace and 13 being a king.
3. The constructor for the Card class has a single parameter which is an integer between 0 and 51 (inclusive). You should initialise the suit and rank from the parameter whose
value is interpreted as follows; 0 represents the ace of hearts, 1 represents the 2 of hearts,. . . , 12 represents the king of hearts, 13 represents the ace of clubs, 14 represents the two of clubs, . . . , 25 represents the king of clubs, 26 represents the ace of diamonds, 27 represents the two of diamonds, . . . , 38 represents the king of diamonds, 39 represents
the ace of spades, 40 represents the two of spades, . . . , 51 represents the king of spades.
My code so far ( it doesnt work, im just trying to get my head around what i need to do)
public class Card
    // Don't change these four constants
    private static final int HEARTS = 1;
    private static final int CLUBS = 2;
    private static final int DIAMONDS = 3;
    private static final int SPADES = 4;
    // write the your code below this line...
    //Holds suit of card
    private int suit = hearts, spades, clubs, diamonds;
    //Holds rank of card
    private int rank = 1,2,3,4,5,6,7,8,9,10,11,12,13;
     * Constructor
    public Card(int amount)
            0 == aceOfHearts;
            1 == 2OfHearts;
            12 == kingOFHearts;
            13 == aceOfClubs;
            14 == 2OfClubs;
            25 == kingOfClubs;
            26 == aceOfDiamonds;
            27 == 2OfDiamonds;
            38 == kingOfDiamonds;
            39 == aceOfSpades;
            40 == 2OfSpades;
            51 == kingOfSpades;
}I dont get this part *"You should initialise the suit and rank from the parameter whose value is interpreted as follows..."* the rank has already been intialised to a number from 1 to 13 right? how to i intialise both the rank and suit together?

CheekyChop wrote:
haha id say i wish he didnt make the first part of the assignment so tricky to understand the rest of it looks fine!
could anyone provide some pseudo code?
is this anywhere near right
public Card(int result)
mySuit = suit[result];
myRank = rank[result];
}Edited by: CheekyChop on Nov 16, 2008 1:49 PMThat's not how I would do it. If you read my post above...
Dividing that number in the constructor by the number of card values (13) will give you a number (0 to 3) representing the suit of the card, and the remainder from that division will give you the card value. ;-)... you might get something like this...
public Card(int value)
suit = value / 13; //0=hearts, 1=clubs, 2=diamonds, 3=aces
rank = value % 13; //the remainder of value/13; a number from 0 to 12
}Edited by: chickenmeister on Nov 16, 2008 8:40 PM

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Constructor problem with super keyword

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^
1 error
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Public constructor problem

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Why don't you just implement the RSAPrivateKey and RSAPublicKey interfaces?

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mchenj

Constructor-problem

public class Three extends Two {
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So how does constructor of class One get called.

If we do not create any zero argument constructor
then the JVM creates one for us and the calls the
constructor of the superclass(if any) using super();
and if we do create a zero argument constructor and
do not specify super() then it is automatically
called.--Is this correct Mostly. The compiler creates the ctor, I think, not the VM. And it only gets created if you didn't define any ctors for that class.
Regardless of what ctors you have or have not created, super() will be implicitly called as the first statement of each ctor unless that ctor's first statemen is a call to a super() or a this() ctor (with or without args).
and in
this case JVM should not be able to call Parent
Constructor One using super() since we
have already placed this(5) in the first line
of the constructor and I believe super and
this cannot be used together.Incorrect.
Three() calls Two() calls Two(5) calls One().
Constructor rules:
1) Every class has at least one ctor.
1.1) If you do not define an explicit constructor for your class, the compiler provides a implicit constructor that takes no args and simply calls super().
1.2) If you do define one or more explicit constructors, regardless of whether they take args, then the compiler no longer provides the implicit no-arg ctor. In this case, you must explicitly define a public MyClass() {...} if you want one.
1.3) Constructors are not inherited.
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Creating a cookie, constructor problem...

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A constructor problem ,please help!

class a
int x;
int y;
a(int a,int b)
x=a;
y=b;
class b extends a
public class test
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1 error

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About Constructor problem

Could anyone tell me why the contructor will be called twice times when I run the following code.
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Thank you in advance !!
// A.java
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bb
aa
bb
without public:
aa
bb

Check whta you have done. In both codes, as must be, the constructur only is called one time, the second print is the only one which appers in my console.
Abraham.

Default Constructor Problem

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Let the class keep a record of its own dimensions by using a variable, and initialize the variable in the constructor:public class Square{
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//NOT sideLength * 2 !!
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return perim;
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Generics with wildcard in constructor problem

Hi All
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Hi, I've spent the last hour reading tons of docs & threads about the "call to this must be first statement in constructor" problem, but I still cannot work it out.
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Constructor question - dealing with protected methods

Hi all, I'm trying to run a protected method, got somewhere by making the class a subclass - but not too sure about where to put the constructor for a class I'm trying to use (IQRegister). Can anyone help and point me in the right direction as to what I did wrong?
public class Registration extends IQRegister {
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//This constructor needs to go somewhere that will work>>>>>>>>>>>>>>
IQRegister iqReg = new IQRegister( iqRegb );
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String server = JOptionPane.showInputDialog( "Enter Server address" );
InetAddress inetaddress;
try {
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Object aobj[] = {
"Cancel", "OK"
int i = JOptionPane.showOptionDialog(null, "Retry Server?", server +
": Not Responding", -1, 2, null, aobj, aobj[1]);
if( i == 1 )
regUser();
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return;
catch( IOException ioexception ) {
Object aobj1[] = {
"Cancel", "OK"
int j = JOptionPane.showOptionDialog( null, "Cannot Connect to:",
server,-1, 2, null, aobj1, aobj1[1] );
if( j == 1 )
regUser();
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return;
System.out.println( "Registering User" );
registrationProcess();
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try {
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System.out.println( "Error in building Registration packet" );
String username = JOptionPane.showInputDialog( "Enter: Username" );
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ERROR:
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symbol : variable iqReg
location: class Registration
iqReg.getXMLNS();
^
1 error
Thanks again :)

Made some changes to code but getting some varied error here:
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^
Registration.java:31: cannot resolve symbol
symbol : class iqReg
location: class Registration
iqReg = new IQRegister( iqRegb );
^
Registration.java:104: cannot resolve symbol
symbol : variable iqReg
location: class Registration
iqReg.getXMLNS();
^
3 errors
CODE:
public class Registration extends IQRegister {
//Create new instance of ConnectionBean
ConnectionBean conBean = new ConnectionBean();
InfoQueryBuilder iqb = new InfoQueryBuilder();
InfoQuery iq;
//IQRegisterBuilder iqRegb = new IQRegisterBuilder();
//This constructor problem here>>>>>>>>>>>>
iqReg = new IQRegister( iqRegb );
public Registration( IQRegisterBuilder iqRegb ) {
super( iqRegb );
.......same code..... as above....
Thank you so much for the guidance..

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