ListIterator vs Iterator in Java
An Iterator can iterate in only one direction (forward direction), whereas ListIterator can iterate in both forward and back directions. We can add or set a value at any time [...]
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December, 2018
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December, 2018
CopyOnWriteArrayList vs ArrayList in Java
CopyOnWriteArrayList and the ArrayList are part of the Collections framework. CopyOnWriteArrayList and ArrayList implement the List interface (just like Vector and LinkedList), but underlying implementations either support multi-threaded applications or [...]
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December, 2018
ConcurrentHashMap vs HashTable in Java
ConcurrentHashMap uses multiple buckets to store data. Since HashTable locks the whole map, ConcurrentHashMap does not come with a performance impact as seen in HashTable (due to having multiple locks [...]