All Questions
Tagged with exceptions coding-style
17 questions
1
vote
5
answers
210
views
End method in normal flow versus exception flow
Consider the two following examples:
public Something fetchSomething(String key) {
if(somethingsMap.containsKey(key)) {
return somethingsMap.get(key);
}
throw new ...
- 121
10
votes
8
answers
2k
views
When are try/exceptions not an anti-pattern?
I just finished a discussion with colleagues regarding the use of exceptions in code. Here is the code (pseudocode) that they had written:
resp = fetch(URL)
if resp.status_code != 200:
return ...
- 517
33
votes
3
answers
5k
views
Error handling considerations
The problem:
Since long time, I am worried about the exceptions mechanism, because I feel it does not really resolve what it should.
CLAIM: There are long debates outside about this topic, and most ...
- 579
3
votes
2
answers
2k
views
Augment a thrown exception with some contextual information
The application this question is about is basically a transpiler which contains a lot of logic. The transpiler is written in C++ (which should not be much of relevance for this question), and it ...
- 139
26
votes
6
answers
7k
views
Why use Either over (checked) Exception?
Not too long ago I started using Scala instead of Java. Part of the "conversion" process between the languages for me was learning to use Eithers instead of (checked) Exceptions. I've been coding this ...
- 623
2
votes
3
answers
764
views
Why do assertions in Java need to get enabled?
I really like the concept of assertions in Java in the way how to use them. It's much easier than to write an if and then throw an Exception/Error.
But the thing I don't understand is, why do they ...
- 261
-3
votes
2
answers
1k
views
Why ever use exception throw (in C#) except for Class Library development? [duplicate]
Why would I ever throw exceptions in code? (except for one specific scenario where I am developing a class library which the consumers of it, will not want / be able to change).
To be more specific, ...
- 111
0
votes
1
answer
123
views
Return values and exceptions [closed]
I wrote simple function that returns a string depending on which condition is TRUE. Here is my code:
private String getMyString() {
if(!mStrigMember.isEmpty()) {
return mStrigMember;
}...
34
votes
8
answers
15k
views
Is throwing an exception an anti-pattern here?
I just had a discussion over a design choice after a code review. I wonder what your opinions are.
There's this Preferences class, which is a bucket for key-value pairs. Null values are legal (that'...
- 9,747
2
votes
1
answer
186
views
RefactorException: Good idea or bad idea?
When I'm doing large scale refactors I'm often commenting out the contents of methods and using NotImplementedExceptions for stuff that I still need to refactor. Problem is that this is interfering ...
- 454
0
votes
6
answers
1k
views
Should we only catch in exceptional circumstances?
Whether error handling by throwing exceptions is good or bad is contentious.
Are exceptions as control flow considered a serious antipattern? If so, Why?
The common line is that exceptions are for "...
- 1,674
34
votes
5
answers
55k
views
Throwing an exception inside finally
Static code analyzers like Fortify "complain" when an exception might be thrown inside a finally block, saying that Using a throw statement inside a finally block breaks the logical progression ...
- 7,373
9
votes
2
answers
578
views
Use an else after exception (or not)
Consider this bit of code:
if (x == 1)
{
throw "no good; aborting" ;
}
[... more code ...]
Now consider this code:
if (x == 1)
{
throw "no good; aborting" ;
}
else
{
[... more code ...]
}
The ...
- 999