Senior Technical Lead and Project Manager
Senior Technical Lead and Project Manager Interview Questions and Answers
Updated 31 Aug 2024
Q1. weakhashmap vs hashmap
Ans.
WeakHashMap is a subclass of HashMap with weaker references to keys, allowing them to be garbage collected.
WeakHashMap is suitable for scenarios where keys are not strongly referenced and can be garbage collected.
HashMap is suitable for scenarios where strong references to keys are needed and should not be garbage collected.
WeakHashMap is less memory efficient compared to HashMap due to the use of weaker references.
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