write a main program class that instantiates a Deck and several Card objects and
ID: 3640597 • Letter: W
Question
write a main program class that instantiates a Deck and several Cardobjects and calls each of their methods. The purpose of this class is to verify that
your supporting classes work correctly.
import java.util.ArrayList;
public class Deck {
private ArrayList capacity = new ArrayList(52);
Deck() {
this.capacity = generateDeck();
}
private ArrayList generateDeck() {
ArrayList deckCards = new ArrayList(52);
Card card = null;
for (int i = 2; i < 15; i++) {
card = new Card(i, "Hearts");
deckCards.add(card);
System.out.print(card.toString() + ", ");
}
System.out.println();
for (int i = 2; i < 15; i++) {
card = new Card(i, "Clubs");
deckCards.add(card);
System.out.print(card.toString() + ", ");
}
System.out.println();
for (int i = 2; i < 15; i++) {
card = new Card(i, "Diamonds");
deckCards.add(card);
System.out.print(card.toString() + ", ");
}
System.out.println();
for (int i = 2; i < 15; i++) {
card = new Card(i, "Spade");
deckCards.add(card);
System.out.print(card.toString() + ", ");
}
System.out.println();
return deckCards;
}
public static void main(String[] args) {
Deck deck = new Deck();
}
}
public class Card {
private int value;
private String suit;
Card (int value,String suit) {
this.suit = suit;
this.value = value;
}
public int getValue() {
return value;
}
public void setValue(int value) {
this.value = value;
}
public String getSuit() {
return suit;
}
public void setSuit(String suit) {
this.suit = suit;
}
public String toString() {
String output = null;
if(this.value > 10) {
if (this.value==11) output="J";
if (this.value==12) output="Q";
if (this.value==13) output="K";
if (this.value==14) output="A";
} else {
output = ""+this.value;
}
if(this.suit!=null) {
char[] id = suit.toCharArray();
output = ""+output+ id[0];
}
return output;
}
}
Explanation / Answer
import java.util.ArrayList;
public class Deck {
private ArrayList capacity = new ArrayList(52);
Deck() {
}
public ArrayList generateDeck() {
ArrayList deckCards = new ArrayList(52);
Card card = null;
for (int i = 2; i < 15; i++) {
card = new Card(i, "Hearts");
deckCards.add(card);
}
System.out.println();
for (int i = 2; i < 15; i++) {
card = new Card(i, "Clubs");
deckCards.add(card);
}
System.out.println();
for (int i = 2; i < 15; i++) {
card = new Card(i, "Diamonds");
deckCards.add(card);
}
System.out.println();
for (int i = 2; i < 15; i++) {
card = new Card(i, "Spade");
deckCards.add(card);
}
return deckCards;
}
public ArrayList getCapacity() {
return capacity;
}
public void setCapacity(ArrayList capacity) {
this.capacity = capacity;
}
} public class Card {
private int value;
private String suit;
Card (int value,String suit) {
this.suit = suit;
this.value = value;
}
public int getValue() {
return value;
}
public void setValue(int value) {
this.value = value;
}
public String getSuit() {
return suit;
}
public void setSuit(String suit) {
this.suit = suit;
}
public String toString() {
String output = null;
if(this.value > 10) {
if (this.value==11) output="J";
if (this.value==12) output="Q";
if (this.value==13) output="K";
if (this.value==14) output="A";
} else {
output = ""+this.value;
}
if(this.suit!=null) {
char[] id = suit.toCharArray();
output = ""+output+ id[0];
}
return output;
}
} public class MainDeck {
public static void main(String[] args) {
Deck deck = new Deck();
java.util.ArrayList<Deck> deckCards = deck.generateDeck();
java.util.Iterator it = deckCards.iterator();
while(it.hasNext()) {
Card card = (Card)it.next();
System.out.println(card.toString());
}
}
}
import java.util.ArrayList;
public class Deck {
private ArrayList capacity = new ArrayList(52);
Deck() {
}
public ArrayList generateDeck() {
ArrayList deckCards = new ArrayList(52);
Card card = null;
for (int i = 2; i < 15; i++) {
card = new Card(i, "Hearts");
deckCards.add(card);
}
System.out.println();
for (int i = 2; i < 15; i++) {
card = new Card(i, "Clubs");
deckCards.add(card);
}
System.out.println();
for (int i = 2; i < 15; i++) {
card = new Card(i, "Diamonds");
deckCards.add(card);
}
System.out.println();
for (int i = 2; i < 15; i++) {
card = new Card(i, "Spade");
deckCards.add(card);
}
return deckCards;
}
public ArrayList getCapacity() {
return capacity;
}
public void setCapacity(ArrayList capacity) {
this.capacity = capacity;
}
}
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