[3025] in java-interest
Re: String.substring lies about what exceptions is throws
daemon@ATHENA.MIT.EDU (Arthur van Hoff)
Thu Oct 26 23:39:40 1995
Date: Thu, 26 Oct 1995 18:43:50 -0700
From: Arthur.Vanhoff@Eng.Sun.COM (Arthur van Hoff)
To: jpayne@starwave.com
Cc: java-interest@java.Eng.Sun.COM
Hi Jon,
> public String substring(int beginIndex, int endIndex) {
> if (beginIndex > endIndex) {
> int tmp = beginIndex;
> beginIndex = endIndex;
> endIndex = tmp;
> }
> if (beginIndex < 0) {
> throw new StringIndexOutOfBoundsException(beginIndex);
> }
> if (endIndex > count) {
> throw new StringIndexOutOfBoundsException(endIndex);
> }
> return ((beginIndex == 0) && (endIndex == count)) ? this :
> new String(value, offset + beginIndex, endIndex - beginIndex);
> }
>
> It doesn't declare it's throwing any exceptions ... Was the prebeta
> release compiled with the prebeta compiler? I think not.
You don't have to declare RuntimeExceptions. StringIndexOutOfBoundsException is
a subclass of RuntimeException.
Have fun,
Arthur van Hoff
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