Top "Switch-statement" questions

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.

Valid, but worthless syntax in switch-case?

Through a little typo, I accidentally found this construct: int main(void) { char foo = 'c'; switch(foo) { printf("Cant Touch …

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Why does Java switch on contiguous ints appear to run faster with added cases?

I am working on some Java code which needs to be highly optimized as it will run in hot functions …

java performance assembly compiler-construction switch-statement
ruby - using include method in a case statement

I'm using something like this: case referer when (referer.include? "some_string") redirect_link = edit_product_path when (referer.include? "…

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How to "break" out of a case...while in Ruby

So, I've tried break, next and return. They all give errors, exit of course works, but that completely exits. So, …

ruby switch-statement control-flow
Switch by class (instanceof) in PHP

It is possible to replace block of if( .. instanceof ...), elseif(... instanceof ...), ... with switch? For example: <?php $class = ..... //some class …

php switch-statement instanceof
Solution for Magic Number issue......?

Consider the following code segment... public static UserStatus getEnum(int code) { switch (code) { case 0: return PENDING; case 1: return ACTIVE; case 2: …

java switch-statement sonarqube magic-numbers
How to use __attribute__((fallthrough)) correctly in gcc

Code sample: int main(int argc, char **argv) { switch(argc) { case 0: argc = 5; __attribute__((fallthrough)); case 1: break; } } Using gcc 6.3.0, with -std=…

c gcc switch-statement fall-through
eclemma branch coverage for switch: 7 of 19 missed

I have this switch system and I'm using eclemma to test the branch coverage. We are required to have at …

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Why is JaCoCo not covering my String switch statements?

I have a switch statement that extracts an addressing mode from a String and I've written unit tests to cover, …

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Select Case Fall through with Not Condition in VB.NET

How to Add Not condition in the below select case. Is <> works for single value, and 'To' works …

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