Questions tagged [switch-statement]
In computer programming, a switch, case, select or inspect statement is a type of selection control mechanism used to invoke specific blocks of code based on variable contents.
switch-statement
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Replacements for switch statement in Python?
I want to write a function in Python that returns different fixed values based on the value of an input index.
In other languages I would use a switch or case statement, but Python does not appear ...
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votes
26
answers
1.2m
views
Switch statement for multiple cases in JavaScript
I need multiple cases in switch statement in JavaScript, Something like:
switch (varName)
{
case "afshin", "saeed", "larry":
alert('Hey');
break;
...
- 34.5k
1136
votes
23
answers
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views
Why can't variables be declared in a switch statement?
I've always wondered this - why can't you declare variables after a case label in a switch statement? In C++ you can declare variables pretty much anywhere (and declaring them close to first use is ...
- 77.9k
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votes
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answers
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Why can't I use switch statement on a String?
Is this functionality going to be put into a later Java version?
Can someone explain why I can't do this, as in, the technical way Java's switch statement works?
- 21.1k
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What is the Python equivalent for a case/switch statement? [duplicate]
Is there a Python equivalent for the switch statement?
- 9,127
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Multiple cases in switch statement
Is there a way to fall through multiple case statements without stating case value: repeatedly?
I know this works:
switch (value)
{
case 1:
case 2:
case 3:
// Do some stuff
...
- 8,791
538
votes
7
answers
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views
When to favor ng-if vs. ng-show/ng-hide?
I understand that ng-show and ng-hide affect the class set on an element and that ng-if controls whether an element is rendered as part of the DOM.
Are there guidelines on choosing ng-if over ng-...
- 15.9k
453
votes
17
answers
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Using two values for one switch case statement
In my code, the program does something depending on the text entered by the user. My code looks like:
switch (name) {
case text1: {
//blah
break;
}
...
- 6,887
427
votes
14
answers
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views
Is "else if" faster than "switch() case"? [duplicate]
I'm an ex Pascal guy, currently learning C#.
My question is the following:
Is the code below faster than making a switch?
int a = 5;
if (a == 1)
{
....
}
else if(a == 2)
{
....
}
else if(a =...
- 35.2k
423
votes
14
answers
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Switch statement fallthrough in C#?
Switch statement fallthrough is one of my personal major reasons for loving switch vs. if/else if constructs. An example is in order here:
static string NumberToWords(int number)
{
string[] ...
- 131k
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votes
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answers
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Is there a better alternative than this to 'switch on type'?
Seeing as C# can't switch on a Type (which I gather wasn't added as a special case because is relationships mean that more than one distinct case might apply), is there a better way to simulate ...
- 27.6k
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answers
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Case statement with multiple values in each 'when' block
The best way I can describe what I'm looking for is to show you the failed code I've tried thus far:
case car
when ['honda', 'acura'].include?(car)
# code
when 'toyota' || 'lexus'
# code
end
I've ...
- 9,800
405
votes
8
answers
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Java: using switch statement with enum under subclass
First I'll state that I'm much more familiar with enums in C# and it seems like enums in java is a quite mess.
As you can see, I'm trying to use a switch statement @ enums in my next example but I ...
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Is it possible to use the instanceof operator in a switch statement?
I have a question of using switch case for instanceof object:
For example: my problem can be reproduced in Java:
if(this instanceof A)
doA();
else if(this instanceof B)
doB();
else if(this ...
- 20.5k