throws Questions
3
I stumbled upon code looking something like this:
void run() {
try {
doSomething();
} catch (Exception ex) {
System.out.println("Error: " + ex);
throw ex;
}
}
void doSomething() {
throw ne...
9
Solved
class throwseg1
{
void show() throws Exception
{
throw new Exception("my.own.Exception");
}
void show2() throws Exception // Why throws is necessary here ?
{
show();
}
void show3() throw...
Catcher asked 21/7, 2012 at 3:52
4
I'm aware checked exceptions have to be handled or specified, but unchecked exceptions are optional.
If for some reason I can reasonably expect an unchecked exception to occur in a method, should ...
10
Solved
A method I am calling in run() in a class that implements Runnable) is designed to be throwing an exception.
But the Java compiler won't let me do that and suggests that I surround it with try/cat...
3
Solved
When attempting to publish the jars for my project via sbt "++2.11.6 publishLocal" or sbt +publishLocal, I encounter Scaladoc issues when publishing for Scala 2.11.6. It appears that I have invalid...
2
Solved
I just recently found out that one can use multiple @throws tags for the same exception in Javadoc.
One of my students used it to document one of his methods in Connect Four:
/*
* ...
* @throws I...
Herries asked 13/6, 2022 at 6:36
6
Solved
I have a function that throws an error, in this function I have a inside a closure that I need to throw the error from it's completion handler. Is that possible ?
Here is my code so far.
enum Cal...
Tensimeter asked 19/10, 2015 at 11:53
3
Solved
Not attempting to compare the languages but just for knowledge,
Is there any way to have equivalent of java throws keyword/functionality in Python?
or the way we can recognize checked exception t...
1
In C++20 (N4849), there is no exception safety wording for associative containers' extract() and insert(node_handle)/insert(hint, node_handle) methods.
But for merge(), there is this wording though...
Coldhearted asked 10/4, 2021 at 7:7
11
Solved
What is the general rule of thumb when deciding whether to add a throws clause to a method or using a try-catch?
From what I've read myself, the throws should be used when the caller has broken th...
2
Solved
"Handle or declare. That's the law." - Head First
But, is it a good law? Let me give an example first:
public static void main(String[] args) throws Exception {
m1();
}
static void m1...
10
Solved
In Java, the throws keyword allows for a method to declare that it will not handle an exception on its own, but rather throw it to the calling method.
Is there a similar keyword/attribute in C#?
...
1
In one of my method, interrupted exception and execution exception is coming.
I put in try catch like this.
try{
//my code
}catch(InterruptedException|ExecutionException e)
Log.error(" log...
Whom asked 30/1, 2019 at 7:3
4
Solved
I throw a bunch of custom runtime exceptions in my code and I want to make sure that in all public methods, I document which runtime exception might be thrown (by myself) and why. This would be ver...
Leonaleonanie asked 30/5, 2019 at 13:41
4
Solved
throws keyword is used only for checked exception. It instructs the caller to use try catch block to except all the listed exceptions by throws keyword.
Since we know what kind of checked ex...
1
When using @dynamicMemberLookup in swift, subscript cannot declare a "throws".
subscript(dynamicMember member: String) -> Any
This is OK.
subscript(dynamicMember member: String) throws ->...
4
Solved
So I have two general questions about java in general. The first is when would one use a try/catch in the body of the method versus using throws exception in declaring the method? Here is a l...
2
Solved
I am using an SQLite library in which queries return optional values as well as can throw errors. I would like to conditionally unwrap the value, or receive nil if it returns an error. I'm not tota...
Farant asked 25/9, 2016 at 19:52
6
Solved
I've never used the "throws" clause, and today a mate told me that I had to specify in the method declaration which exceptions the method may throw. However, I've been using exceptions without prob...
1
Solved
This code is not compiling on Swift 3.3. It's showing the message: 'self' used inside 'catch' block reachable from super.init call
public class MyRegex : NSRegularExpression {
public init(patter...
Sunshade asked 26/4, 2018 at 14:37
8
Solved
7
Solved
So I thought I had a good basic understanding of exception-handling in Java, but I was recently reading some code that gave me some confusion and doubts. My main doubt that I want to address here i...
2
Solved
I have defined a function in Kotlin:
fun convertExceptionToEmpty(requestFunc: () -> List<Widget>): Stream<Widget> {
try {
return requestFunc().stream()
} catch (th: Throwable) {
...
2
Solved
After searching for some references to figure it out, -unfortunately- I could not find useful -and simple- description about understanding the differences between throws and rethrows. It is kind of...
Faeroese asked 9/4, 2017 at 9:16
3
Solved
I'm writing a program in Java, and nearly every method in one of my classes is written like:
public void doStuff() throws AWTException{}
Is there a way for me to get rid of the extra step of typ...
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