Hi John,
suggestions which are only active at the current line where your cursor
is, don't necessary produce better code, they are just there to
transform parts of it in case you want to change something. Internally
they are hints of a kind called actions.
The doc describes it well:
"The hint (with kind ACTION) represents an offer to the user to
automatically alter the code. The transformation is not intended to
improve the code, only allow the user to do some kind of code
transformation quickly. The only meaningful severity for suggestions if
Severity.CURRENT_LINE_WARNING."
You should notice that if you change the loop to the iterator version,
but not actually use the iterator except calling next() it will also add
a hint called "convert to for-loop" which does the opposite. This hint
will always appear, even if you move the cursor, since unless you
actually need the iterator the simple for loop is more readable and
should be preferred as you said.
the for-each loop uses a hidden iterator if it iterates over iterables
anyway.
I don't know why you can't disable this particular suggestion via the
context menu.
regards,
michael
On 28.11.22 15:00, John wrote:
Hi,
Quick one. I have just installed a vanilla Netbeans 15 and when I
write a line such as
for (Word word : this.dictionary) {...}
Netbeans offers me a Warning / Recommendation
`Convert to for (Iterator...) {}'
That, if chosen, converts my syntax to
for (Iterator<Word> it = this.dictionary.iterator(); it.hasNext();) {...}
This is a lot less readable to me and I therefore wanted to turn off
this hint.
However, The <alt><ret> doesn’t offer the option to disable this hint
and I couldn’t find it in the Tools > Options > Editor > Hints (Java)
list, although I found lots of other nice hints that I have turned on!
I found this on Stack Overflow
https://stackoverflow.com/questions/24263479/netbeans-convert-to-for-iterator-suggestion
But that was to do with which one is more efficient and I suspect that
the warning is due to the fact that the more verbose version is
quicker if the number of elements in the iterator is very large.
Am I stuck with this, or is it that I just overlooked where the hint
is in the long list?
John
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