Sep 14, 2015 · 1 When you wrap a stream with another (like you do in scanner) closing the stream closes the wrapped streams. That means you would close System.in if you closed your scanner. I …

Apr 25, 2015 · Exception in thread "main" java.util.NoSuchElementException: No line found at java.util.Scanner.nextLine(Unknown Source) at main.learn.input(learn.java:25) at …

0 You can check if the user entered an empty by checking if the length is 0, additionally you can close the scanner implicitly by using it in a statement:

Oct 7, 2014 · I read the Oracle documentation on the Scanner class and came across this: When a Scanner is closed, it will close its input source if the source implements the Closeable interface. …

Jul 22, 2017 · You should close the Scanner after you're done using it. That sample has you closing at the end of the loop, so it tries to check for more data in the while condition and fails.

Feb 14, 2020 · I started learning JAVA a couple of days ago, so my question might be too basic. I have created a piece of code which is as follows: import java.util.Scanner; public class Que01 { public st...

Nov 17, 2014 · When you close a Scanner, you automatically close the underlying stream. That means if you then attempt to open / use another scanner on the stream, it will fail when you attempt to read …

Cuando se utiliza in.close (); de la clase Scanner? Formulada hace 8 años y 7 meses Modificada hace 8 años y 7 meses Vista 11k veces

Mar 28, 2017 · The java.util.Scanner.close() method closes this scanner.If this scanner has not yet been closed then if its underlying readable also implements the Closeable interface then the readable's …

Jan 3, 2013 · I have a Scanner linked to System.in. Now, after using the Scanner, I should close it, as it is bad coding practice to leave it open. But, if I close the Scanner, I will also be closing System.in! ...