Senior Technical Lead and Project Manager Interview Questions and Answers

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.