Please help with another card problem

this one is a strange one(if you saw the other one you might understand this better) in any case, i am getting a error and i do not see the reason
here is the code
public Card getCard(int i)
    switch(i)
      case 1: return (Card) card1;
      case 2: return (Card) card2;
      case 3: return (Card) card3;
      case 4: return (Card) card4;
      case 5: return (Card) card5;
}the compiler says that there is no return statement. i don not see the problem as there are five of them and all seem to be accessable.
please tell me if i am not seeing something or have it all wrong.
btw card1,card2,etc. are Card variables so that is not the problem. this method is supposed to return one of five cards according to the int that is passed to it.
please help me!

public Card getCard(int i)
switch(i)
case 1: return (Card) card1;
case 2: return (Card) card2;
case 3: return (Card) card3;
case 4: return (Card) card4;
case 5: return (Card) card5;
}No, no, no. It's really very simple. Imagine this:
Card c = getCard(42);
c.someMethod();What is the value of 'c' after calling getCard()? And what happens when c.someMethod() is called?
You see, the getCard() method does not have a return statement in all cases. A method that returns a value either must be absolutely guaranteed to execute a return statement in all cases, unless an exception in thrown.
So the simplest thing you can do (or an array of cards might be in order here) is just add a default: case that throws an exception.
   public Card getCard(int i)
     switch(i)
       case 1: return (Card) card1;
       case 2: return (Card) card2;
       case 3: return (Card) card3;
       case 4: return (Card) card4;
       case 5: return (Card) card5;
       default: throw new IllegalArgumentException("Invalid card number " + i);
Or, if you expect that in normal operation you'll be passing in values other than 1-5, instead of throwing an exception you could return null. But it sounds to me like in your case, it is a bug if a value other that 1-5 is ever passed in.

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