switch-statement Questions
4
Solved
In a switch statement in java, is it necessary that the "default" case be the last one? For example, can I do something like the following:
switch(x) {
case A: ....;
default: ....;
case B: ....;
}...
Eleonoraeleonore asked 4/5, 2015 at 7:30
5
Solved
Is there something like array of case statement and put it as single case statement into switch- suppose
String[] statements={"height","HEIGHT"};
and then
switch(code){
case statements:
//co...
Foreword asked 1/7, 2015 at 12:48
2
Solved
I'm encountering "a variable might not have been initialized" error when using switch block.
Here is my code:
public static void foo(int month)
{
String monthString;
switch (month)
{
case 1: ...
Marijuana asked 2/3, 2015 at 22:23
7
Solved
When I add two connection strings in the web.config, an error appears that tells me I can't add two connection strings in the web.config.
I want the upper job because I have 2 databases and I want...
Negus asked 19/11, 2010 at 17:56
12
Solved
Consider the following switch statement:
switch( value )
{
case 1:
return 1;
default:
value++;
// fall-through
case 2:
return value * 2;
}
This code compiles, but is it valid (= defined b...
Charleencharlemagne asked 24/6, 2010 at 12:57
15
Solved
How can I combine return and switch case statements in C#?
I want something like
return switch (a)
{
case 1: "lalala"
case 2: "blalbla"
case 3: "lolollo"
default: ...
Magner asked 26/7, 2010 at 10:53
5
Solved
I'm quite used to vb.net's Select Case syntax which is essentially a switch statement, where you can do things like Case Is > 5 and if it matches, it will execute that case.
How can I do what I...
Alunite asked 18/10, 2011 at 0:30
2
Solved
Using the Brian Goetz article: https://www.infoq.com/articles/data-oriented-programming-java/
sealed interface Opt<T> {
record Some<T>(T value) implements Opt<T> { }
record Non...
Bub asked 21/6, 2022 at 15:20
6
Solved
I'm trying to understand the new structural pattern matching syntax in Python 3.10. I understand that it is possible to match on literal values like this:
def handle(retcode):
match retcode:
case...
Gathers asked 11/2, 2021 at 17:11
3
Solved
I have the powershell function below
Function Test
{
Param
(
[Parameter()]
[string]$Text = "default text"
)
Write-Host "Text : $($Text)"
}
And I would like to be able to call this fun...
Vacillating asked 13/11, 2019 at 14:6
16
In C there is a switch construct which enables one to execute different conditional branches of code based on an test integer value, e.g.,
int a;
/* Read the value of "a" from some source...
Loper asked 25/10, 2010 at 13:10
28
Solved
How do I write a switch statement in Ruby?
Mullens asked 4/6, 2009 at 1:18
11
Solved
Given this method, does this represent some egregious stylistic or semantic faux pas:
private double translateSlider(int sliderVal) {
switch (sliderVal) {
case 0:
return 1.0;
case 1:
return ....
Bleeder asked 12/8, 2013 at 16:39
2
Solved
I'm having some troubles to check the proper type on a switch statement. I have these classes that extends from Exception
public abstract class DomainException<T>: Exception
{
public readonl...
Rento asked 6/9, 2022 at 6:11
21
Solved
What is the benefit/downside to using a switch statement vs. an if/else in C#. I can't imagine there being that big of a difference, other than maybe the look of your code.
Is there any reason why ...
Edaphic asked 28/12, 2008 at 0:16
3
Solved
Consider this benchmark, where we compare map access vs switch
var code = []int32{0, 10, 100, 100, 0, 10, 0, 10, 100, 14, 1000, 100, 1000, 0, 0, 10, 100, 1000, 10, 0, 1000, 12}
var mapCode = map[...
Aid asked 17/10, 2017 at 11:39
4
Solved
I am a little confused about the switch statement in R.
Simply googling the function I get an example as follows:
A common use of switch is to branch according to the character value of one of th...
Topgallant asked 19/10, 2011 at 17:34
5
Solved
I started learning Dart today, and I've come across something that my google skills are having trouble finding.
How do I have a fall-through in a non-empty case?
My use case is this: I'm writing ...
Northwest asked 23/9, 2012 at 6:13
10
When using the following Switch widget, the isOn value always returns true and never changes.
The Switch only moves position on a swipe too, a tap won't move it. How to resolve?
bool isInstructio...
Wheen asked 7/9, 2018 at 12:34
6
Solved
It seems to me that such a switch statement would make a lot of sense, but it gives a compile error :
public void m(Class c) {
switch (c) {
case SubClassOfC1.class : //do stuff; break;
case Su...
Elizebethelizondo asked 27/7, 2015 at 22:0
3
Solved
I'm curious is any other way to write something like this with new switch expression in C# 8?
public static object Convert(string str, Type type) =>
type switch
{
_ when type == typeof(strin...
Teetotalism asked 21/5, 2020 at 23:4
3
Solved
I feel like this is a stupid question, but I cant get it to work.
What I have:
if (current is classA){
//do stuff
return;
}
if (current is classB){
//do stuff
return;
}
if (current is classC)...
Adara asked 28/2, 2019 at 16:45
3
so in my Vue-project I basically have two pages/components that will be shown with the use of vue-router depending on the URL. I can switch between those pages/components via a button.
I am also us...
Beret asked 25/5, 2020 at 15:43
4
Solved
How will a C# switch statement's default label handle a nullable enum?
Will the default label catch nulls and any unhandled cases?
Dyspepsia asked 19/2, 2013 at 5:33
6
Solved
We are catching warnings from GCC 7 for implicit fall through in a switch statement. Previously, we cleared them under Clang (that's the reason for the comment seen below):
g++ -DNDEBUG -g2 -O3 -s...
Clyde asked 16/7, 2017 at 14:35
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