Constructor Detail

• Vector

  public Vector()

  Constructs a new vector using the default capacity.

• Vector

  public Vector(int capacity)

  Constructs a new vector using the specified capacity.

  Parameters:

  capacity - the initial capacity of the new vector.

  Throws:

  IllegalArgumentException - if capacity is negative.

• Vector

  public Vector(int capacity,
        int capacityIncrement)

  Constructs a new vector using the specified capacity and capacity increment.

  Parameters:

  capacity - the initial capacity of the new vector.

  capacityIncrement - the amount to increase the capacity when this vector is full.

  Throws:

  IllegalArgumentException - if capacity is negative.

Method Detail

• addElement

  public void addElement(E object)

  Adds the specified object at the end of this vector.

  Parameters:

  object - the object to add to the vector.

• capacity

  public int capacity()

  Returns the number of elements this vector can hold without growing.

  Returns:

  the capacity of this vector.

  See Also:

  ensureCapacity(int), size()

• size

  public int size()

• contains

  public boolean contains(Object object)

  Searches this vector for the specified object.

  Parameters:

  object - the object to look for in this vector.

  Returns:

  true if object is an element of this vector, false otherwise.

  See Also:

  indexOf(Object), indexOf(Object, int), Object.equals(java.lang.Object)

• copyInto

  public void copyInto(Object[] elements)

  Attempts to copy elements contained by this Vector into the corresponding elements of the supplied Object array.

  Parameters:

  elements - the Object array into which the elements of this vector are copied.

  Throws:

  IndexOutOfBoundsException - if elements is not big enough.

  See Also:

  #clone

• elementAt

  public E elementAt(int location)

  Returns the element at the specified location in this vector.

  Parameters:

  location - the index of the element to return in this vector.

  Returns:

  the element at the specified location.

  Throws:

  ArrayIndexOutOfBoundsException - if location < 0 || location >= size().

  See Also:

  size()

• elements

  public Enumeration<E> elements()

  Returns an enumeration on the elements of this vector. The results of the enumeration may be affected if the contents of this vector is modified.

  Returns:

  an enumeration of the elements of this vector.

  See Also:

  elementAt(int), Enumeration

• ensureCapacity

  public void ensureCapacity(int minimumCapacity)

  Ensures that this vector can hold the specified number of elements without growing.

  Parameters:

  minimumCapacity - the minimum number of elements that this vector will hold before growing.

  See Also:

  capacity()

• firstElement

  public E firstElement()

  Returns the first element in this vector.

  Returns:

  the element at the first position.

  Throws:

  NoSuchElementException - if this vector is empty.

  See Also:

  elementAt(int), lastElement(), size()

• get

  public E get(int location)

  Returns the element at the specified location in this vector.

  Parameters:

  location - the index of the element to return in this vector.

  Returns:

  the element at the specified location.

  Throws:

  ArrayIndexOutOfBoundsException - if location < 0 || location >= size().

  See Also:

  size()

• indexOf

  public int indexOf(Object object)

  Searches in this vector for the index of the specified object. The search for the object starts at the beginning and moves towards the end of this vector.

  Parameters:

  object - the object to find in this vector.

  Returns:

  the index in this vector of the specified element, -1 if the element isn't found.

  See Also:

  contains(java.lang.Object), lastIndexOf(Object), lastIndexOf(Object, int)

• indexOf

  public int indexOf(Object object,
            int location)

  Searches in this vector for the index of the specified object. The search for the object starts at the specified location and moves towards the end of this vector.

  Parameters:

  object - the object to find in this vector.

  location - the index at which to start searching.

  Returns:

  the index in this vector of the specified element, -1 if the element isn't found.

  Throws:

  ArrayIndexOutOfBoundsException - if location < 0.

  See Also:

  contains(java.lang.Object), lastIndexOf(Object), lastIndexOf(Object, int)

• insertElementAt

  public void insertElementAt(E object,
                     int location)

  Inserts the specified object into this vector at the specified location. This object is inserted before any previous element at the specified location. All elements with an index equal or greater than location have their index increased by 1. If the location is equal to the size of this vector, the object is added at the end.

  Parameters:

  object - the object to insert in this vector.

  location - the index at which to insert the element.

  Throws:

  ArrayIndexOutOfBoundsException - if location < 0 || location > size().

  See Also:

  addElement(E), size()

• isEmpty

  public boolean isEmpty()

  Returns if this vector has no elements, a size of zero.

  Returns:

  true if this vector has no elements, false otherwise.

  See Also:

  size()

• lastElement

  public E lastElement()

  Returns the last element in this vector.

  Returns:

  the element at the last position.

  Throws:

  NoSuchElementException - if this vector is empty.

  See Also:

  elementAt(int), firstElement(), size()

• lastIndexOf

  public int lastIndexOf(Object object)

  Searches in this vector for the index of the specified object. The search for the object starts at the end and moves towards the start of this vector.

  Parameters:

  object - the object to find in this vector.

  Returns:

  the index in this vector of the specified element, -1 if the element isn't found.

  See Also:

  contains(java.lang.Object), indexOf(Object), indexOf(Object, int)

• lastIndexOf

  public int lastIndexOf(Object object,
                int location)

  Searches in this vector for the index of the specified object. The search for the object starts at the specified location and moves towards the start of this vector.

  Parameters:

  object - the object to find in this vector.

  location - the index at which to start searching.

  Returns:

  the index in this vector of the specified element, -1 if the element isn't found.

  Throws:

  ArrayIndexOutOfBoundsException - if location >= size().

  See Also:

  contains(java.lang.Object), indexOf(Object), indexOf(Object, int)

• removeAllElements

  public void removeAllElements()

  Removes all elements from this vector, leaving the size zero and the capacity unchanged.

  See Also:

  isEmpty(), size()

• removeElement

  public boolean removeElement(Object object)

  Removes the first occurrence, starting at the beginning and moving towards the end, of the specified object from this vector. All elements with an index bigger than the element that gets removed have their index decreased by 1.

  Parameters:

  object - the object to remove from this vector.

  Returns:

  true if the specified object was found, false otherwise.

  See Also:

  removeAllElements(), removeElementAt(int), size()

• removeElementAt

  public void removeElementAt(int location)

  Removes the element found at index position location from this Vector. All elements with an index bigger than location have their index decreased by 1.

  Parameters:

  location - the index of the element to remove.

  Throws:

  ArrayIndexOutOfBoundsException - if location < 0 || location >= size().

  See Also:

  removeElement(java.lang.Object), removeAllElements(), size()

• setElementAt

  public void setElementAt(E object,
                  int location)

  Replaces the element at the specified location in this vector with the specified object.

  Parameters:

  object - the object to add to this vector.

  location - the index at which to put the specified object.

  Throws:

  ArrayIndexOutOfBoundsException - if location < 0 || location >= size().

  See Also:

  size()

• setSize

  public void setSize(int length)

  Sets the size of this vector to the specified size. If there are more than length elements in this vector, the elements at end are lost. If there are less than length elements in the vector, the additional elements contain null.

  Parameters:

  length - the new size of this vector.

  See Also:

  size()

• toString

  public String toString()

  Returns the string representation of this vector.

  Overrides:

  toString in class Object

  Returns:

  the string representation of this vector.

  See Also:

  elements()

• trimToSize

  public void trimToSize()

  Sets the capacity of this vector to be the same as the size.

  See Also:

  capacity(), ensureCapacity(int), size()

• equals

  public boolean equals(Object object)

  Compares the specified object to this vector and returns if they are equal. The object must be a List which contains the same objects in the same order.

  Overrides:

  equals in class Object

  Parameters:

  object - the object to compare with this object

  Returns:

  true if the specified object is equal to this vector, false otherwise.

  See Also:

  hashCode()

• hashCode

  public int hashCode()

  Returns an integer hash code for the receiver. Objects which are equal return the same value for this method.

  Overrides:

  hashCode in class Object

  Returns:

  the receiver's hash.

  See Also:

  equals(java.lang.Object)