Additional Notes
What error can occur with a HashMap under concurrent modification?
Track: Java
Topic: Concurrency
Focus: Concurrent Collections
Java: Concurrent Collections
Answer
ConcurrentModificationException or infinite loops.
If a HashMap is modified concurrently by multiple threads, it can throw a ConcurrentModificationException or enter infinite loops. For instance, updating user sessions in a HashMap during a flash sale can lead to unpredictable behavior if not properly synchronized.
If a HashMap is modified concurrently by multiple threads, it can throw a ConcurrentModificationException or enter infinite loops. For instance, updating user sessions in a HashMap during a flash sale can lead to unpredictable behavior if not properly synchronized.
Topics: Concurrency Concurrent Collections Java