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 …

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 …

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 …

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.

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:

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 …

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 …

Apr 2, 2018 · ¿Cómo cierra un Scanner en Java? Formulada hace 7 años y 9 meses Modificada hace 7 años y 9 meses Vista 11k veces

May 7, 2011 · I needed to close the Scanner as well, and keep the underlying stream open for further work. What I did is create a class that extends BufferedInputStream and overrides the …

According to the Javadoc of Scanner, it closes the stream when you call it's close method. Generally speaking, the code that creates a resource is also responsible for closing it.