Package java.util
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Interface Summary Interface Description Enumeration<E> An Enumeration is used to sequence over a collection of objects. -
Class Summary Class Description Hashtable<K,V> Hashtable associates keys with values.Stack<E> Stack
is a Last-In/First-Out(LIFO) data structure which represents a stack of objects.Vector<E> Vector is a variable size contiguous indexable array of objects. -
Exception Summary Exception Description EmptyStackException AnEmptyStackException
is thrown if the pop/peek method of a stack is executed on an empty stack.NoSuchElementException ANoSuchElementException
is thrown when trying to retrieve an element past the end of an Enumeration, or the first or last element from an empty Vector.