主類:開關箱卡類
public class Card
{
private String cardShort;
private String cardClas;
private String cardType;
public Card(String cardClas, String cardType)
{
this.cardType = cardType;
this.cardClas = cardClas;
}
public void cardSelector()
{
switch(cardClas.toUpperCase())
{
case "J" : cardClas = "Jack";
break;
case "K" : cardClas = "King";
break;
case "Q" : cardClas = "Queen";
break;
case "A" : cardClas = "Ace";
break;
case "2" : cardClas = "Two";
break;
case "3" : cardClas = "Three";
break;
case "4" : cardClas = "Four";
break;
case "5" : cardClas = "Five";
break;
case "6" : cardClas = "Six";
break;
case "7" : cardClas = "Seven";
break;
case "8" : cardClas = "Eight";
break;
case "9" : cardClas = "Nine";
break;
case "10" : cardClas = "Ten";
break;
}
switch(cardType.toUpperCase())
{
case "S" : cardClas = "Spades";
break;
case "C" : cardClas = "Clubs";
break;
case "H" : cardClas = "Hearts";
break;
case "D" : cardClas = "Diamonds";
break;
}
}
public String getClasses()
{
return cardType;
}
public String getType()
{
return cardClas;
}
public String toString()
{
String theory = getClasses() + " of " + getType();
return theory;
}
}
測試儀:
import java.util.Scanner;
public class CardTester
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
System.out.println("Enter card: ");
String shortHand = sc.next();
if(shortHand.length() == 2)
{
Card c = new Card(shortHand.substring(0,1),shortHand.substring(1,2));
c.cardSelector();
System.out.println(c.toString());
} else if(shortHand.length() == 3)
{
Card c = new Card(shortHand.substring(0,2), shortHand.substring(2,3));
c.cardSelector();
System.out.println(c.toString());
}
}
}
控制檯: 「輸入卡: AS黑桃 的 小號「 假設輸出「黑桃王牌」。嘗試了一堆不同的修復程序,不知道現在是什麼導致了問題。
第一次使用開關的情況下,可以使用一些幫助...謝謝!
那麼,你有沒有在調試器中通過你的代碼? – OldProgrammer 2014-10-27 00:03:02
這正是您想要使用類型安全枚舉的場景。他們會防止這個錯誤。 – chrylis 2014-10-27 00:24:19