Questions tagged [switch-statement]
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60 questions
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How is a switch statement better than a series of if statements? [duplicate]
Possible Duplicate:
Should I use switch statements or long if…else chains?
I'm working on a small program that will conduct an Insertion Sort. A number will be inputted through the keyboard ...
- 1,085
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votes
3
answers
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Is case after case in a switch efficient?
Just a random question regarding switch case efficiency in case after case; is the following code (assume pseudo code):
function bool isValid(String myString){
switch(myString){
case "stringA":
...
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29
votes
7
answers
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Refactoring Switch Statements and is there any real use for Switch Statements at all?
I was reading this article and was wondering, do we get rid of all switch statements by replacing them with a Dictionary or a Factory so that there are no switch statements at all in my projects.
...
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6
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answers
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Good ways to jump to a particular state in a yielding stateful function?
I'm working on some embedded code using C. Various pieces of functionality need non-blocking stateful functions, which are mostly implemented using a switch on various states. For example, a modem ...
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How to use a switch statement with enum efficiently?
I would like to know how I can use a switch statement with enum values for the following scenarios:
I am making a small program for a flight reservation system. The program is meant to enter certain ...
- 1,493
15
votes
7
answers
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Appropriate uses of fall-through switch statements
When is it appropriate to use a fall-through (classic) switch statement? Is such usage recommended and encouraged or should it be avoided at all costs?
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Patterns to avoid long switch block in UI?
Sometimes you have many entities which have common parts, but also should be addressed uniquely in UI. For example, in a CMS, you have many content types (like news, images, articles, pages, etc.) ...
- 18.3k
7
votes
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How is switch/case handled as to avoid comparisons to the case values?
I've read in multiple answers that switch/case avoids "unnecessary" comparisons, but I never learned this in college, and I'm a little stumped on how the program would figure out which case to jump to ...
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Why use an OO approach instead of a giant "switch" statement?
I am working in a .Net, C# shop and I have a coworker that keeps insisting that we should use giant Switch statements in our code with lots of "Cases" rather than more object oriented approaches. His ...
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answers
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Should I use switch statements or long if...else chains?
Often when I hear about the switch statement, its put off as a way to replace long if...else chains. But it seems that when I use the switch statement I'm writing more code that I would be just ...
- 13.7k