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util

Package java.util

  • 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
    An EmptyStackException is thrown if the pop/peek method of a stack is executed on an empty stack.
    NoSuchElementException
    A NoSuchElementException is thrown when trying to retrieve an element past the end of an Enumeration, or the first or last element from an empty Vector.