python (65.2k questions)

javascript (44.3k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (13k questions)

Questions - try-with-resources

How can Mockito mock a Kotlin `use` (aka try-with-resource)?

If I were trying to add mocks to the following code (where the MyTypeBuilder is mocked to return a mocked MyType - which implements Closeable): myTypeBuilder.build(myTypeConfiguration).use { myType -&...
test-img

Alex Taylor

kotlin

mockito

try-with-resources

Votes: 0

Answers: 1

Latest Answer

I tried to reconstruct the error by writing the following code which is basically what you wrote in your question plus some println statements and some boilerplate to make it runnable: import org.juni...
test-img

Karsten Gabriel

How to handle exceptions when a resource closes automatically in try with resources?

According to this link, if the source has a problem when opening and throws an exception and it is also in try parentheses, JVM closes it. My question is how to inform the user now that this source is...
test-img

aforz

java

exception

try-with-resources

Votes: 0

Answers: 2

Latest Answer

Even when using a try-with-resources, the catch clause still works. private static void printFile() throws MyCustomException { try(FileInputStream input = new FileInputStream("file.txt"...
test-img

Haroldo_OK

Is try-finally being deprecated with Java 18+?

JEP 421, being released in the forthcoming Java 18, deprecates finalization. I understand this mean the finalize() method is being deprecated. However, it also mentions the try/finally block and menti...
test-img

k314159

java

try-with-resources

try-finally

Votes: 0

Answers: 1

Latest Answer

You should certainly prefer try-with-resources when you can, since it is more concise and avoids the possibility of forgetting to close an autocloseable resource, but no, finally is not going away. Th...
test-img

David Conrad

Sonar scan says Use try-with-resources or close this "Stream" in a "finally" clause

Sonar qube is giving me the following error: Use try-with-resources or close this "Stream" in a "finally" clause This is my code: Path start = Paths.get(filePath); Stream<File...
test-img

Poorna Senani Gamage

java

file

sonarqube

try-with-resources

Votes: 0

Answers: 3

Latest Answer

define and open your stream this way: try (Stream<File> stream = Files.walk(start, 1, FileVisitOption.FOLLOW_LINKS).map(s -> s.toFile())){ Doing this, the system will automatically close the...
test-img

Ryan

Posts

Questions

Blogs

Jobs