You close the second Scanner which closes the underlying InputStream, therefore the first Scanner can no longer read from the same InputStream and a NoSuchElementException results. The solution: For console apps, use a single Scanner to read from System.in. Aside: As stated...
I am trying to create a JavaFX program, and every time I try to run my code I am getting an exception – I’m not entirely sure what it...
I am trying to create a JavaFX program, and every time I try to run my code I am getting an exception – I’m not entirely sure what it...
If you try to decrypt PKCS5-padded data with the wrong key, and then unpad it (which is done by the Cipher class automatically), you most likely will get the...
Of course the “You shall not instantiate an item of this class” statement has been violated, but if this is the logic behind that, then we should all throw AssertionErrors everywhere,...
While reading from the file, your are not terminating your loop. So its read all the values and correctly throws EOFException on the next iteration of the read at line below:...
This has been possible since Java 7. The syntax for a multi-catch block is: try { ... } catch (IllegalArgumentException | SecurityException | IllegalAccessException | NoSuchFieldException e) { someCode(); }...
The API document of readLine() method says as below Throws: NoSuchElementException - if no line was found You are supposed to handle this exception or just use the hasNextLine() method to avoid the...
unreported exception java.io.FileNotFoundException; must be caught or declared to be thrown
What’s the proper way to declare custom exception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any...