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How to solve java.util.NoSuchElementException in Java

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Javin Paul

Posts: 1090
Nickname: javinpaul
Registered: Jan, 2012

Javin Paul is Java Programmer working on Finance domain.
How to solve java.util.NoSuchElementException in Java Posted: Feb 25, 2012 1:09 AM
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How to fix java.util.NoSuchElementException in Java

java.util.NoSuchElementException is a RuntimeException which can be thrown by different classes in Java like Iterator, Enumerator, Scanner or StringTokenizer. All of those classes has method to fetch next element or next tokens if underlying data-structure doesn't have any element Java throws "java.util.NoSuchElementException". Most common example of this iterating over hashmap without checking if there is any element or not and that's why it's advised to use hashNext() before calling next() on Iterator. In this Java tutorial we will what causes NoSuchElementException in Java and how to avoid it completely.
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