OutOfBoundsException

[feniger]

here's a question:
in one class I have the method:

static public StartBoard[] finalBoard()
{
StartBoard[] temp = new StartBoard[32];
.
.
.
return temp;
}

and in another class, inside the main method, I wrote:

StartBoard[] try2 = new StartBoard[32];
try2 = StartBoard.finalBoard();
for (int i = 0; i<32; i++)
System.out.println(try2[i].getType());

and I got the following runtime error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 32
at chess.StartBoard.finalBoard(StartBoard.java:74)
at chess.Play.main(Play.java:21)

I remember learning something about "contracts" with variables to be instance of a certain non-primitive type, is that the solution? and if so, how do I use it?
thanks a head

feniger

[feniger]

maybe its important to know to solve:
the first code snippet is actually inside:
public enum StartBoard {... }

[hardwired]

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 32
at chess.StartBoard.finalBoard(StartBoard.java:74)
at chess.Play.main(Play.java:21)

Looks like you went past the end of the array, viz, element index 31, on
line 74 in your code.

// These
//StartBoard[] try2 = new StartBoard[32];
//try2 = StartBoard.finalBoard();      // line 21 here?
// can be written
StartBoard[] try2 = StartBoard.finalBoard();
// This looks okay.
for (int i = 0; i<32; i++)
    System.out.println(try2[i].getType());
...
public enum StartBoard {
    static public StartBoard[] finalBoard()
    {
        StartBoard[] temp = new StartBoard[32];
          .
          .
         // line 74 must be in here...
          .
        return temp;
    }

[feniger]

yea that was it.... I'm such a newbie