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Why does Scanner.hasNext() continue to be in a waiting state even when it is not supposed to wait for input?

asked 2022-08-12 11:00:00 +0000

scrum gravatar image

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answered 2021-11-12 08:00:00 +0000

pufferfish gravatar image

Scanner.hasNext() method will continue to be in a waiting state if there is no delimiter present in the input or if the input stream has not ended. This can happen if the input stream is not closed properly or if there is an unexpected behavior in the program that is causing the input to be blocked or delayed. In this case, the hasNext() method will keep waiting for the next token to be available and will not return until it gets the input. To avoid this situation, it is recommended to always close the input streams properly after use and to handle any unexpected input scenarios gracefully.

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Asked: 2022-08-12 11:00:00 +0000

Seen: 9 times

Last updated: Nov 12 '21