Re: Why C++ Is Not ???Back???
On 05/12/2012 10:05, goran.pusic@gmail.com wrote:
On Wednesday, December 5, 2012 4:11:10 AM UTC+1, Luca Risolia wrote:
try {
r = new Reader(...);
// do something
} catch (Exception e) {
//..
} finally {
try {
if (r != null) // cannot omit != null, no convertion op.
r.close();
} catch (Exception e){
//..
}
}
You should put construction of the reader outside the try, and you
then have no "if" in the catch below. I see people do this all the
time, why?
Because sometimes you want the finally block to get executed even if the
constructor throws. Furthermore, if you put the statement outside any
try, then the method must specify all the checked exceptions that the
constructor can throw. I am not sure why the Java exception
specification is supposed to help the programmer write safer programs..
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