Aravind ArrayDeque is one of the collection framework member which implements Deque, Cloneable and Serializable interfaces. ArrayDeque provides Resizable-array implementation so it has no capacity restrictions and it will grow as per requirement. In the absence of external synchronization, they are not thread safe. So they do not allow multiple threads to access it concurrently. Also … Read more
Deque is one of the collection interface which extends Queue interface. Deque is linear collection which allow us to add and remove element from both ends of the queue. It is “double ended queue” that’s why it is called Deque and usually pronounced as “deck”. Deque has different methods to perform insert, delete and examine … Read more
PriorityQueue Class is one of the collection framework class which implements Queue, Serializable, Iterable and Collection interfaces. It is using natural ordering to order then elements of PriorityQueue.Or elements will be ordered based on Comparator provided at queue construction time depending on which constructor is used. PriorityQueue is based on a priority heap. Heap is … Read more
Vector class in java implements List interface of collection framework. Vector class is synchronized. If you don’t know size of array then you can use vector class as size of vector can grow and shrink as per adding and removing items. As vector class is synchronized, It will give poor performance on add, delete, update … Read more