ConcurrentModificationException
Definition
A ConcurrentModificationException occurs when a collection is modified while being iterated over using an iterator or enhanced for loop.
Analogy
Think of it like trying to change your clothes while someone else is picking out clothes from your wardrobe at the same time. It creates confusion and can lead to errors.
Related terms
Iterator: An iterator allows us to traverse through a collection and perform operations on its elements.
Enhanced for loop (for-each loop): A simplified way to iterate over collections or arrays without explicitly using an iterator.
Synchronization: The process of controlling access to shared resources in order to avoid conflicts between multiple threads.
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