Each vector tries to optimize storage management by maintaining a capacity and outllne capacityIncrement. The capacity is always at least as large as the vector size; it is usually larger because as components are added to the vector, the vector's storage increases in chunks sailboay size of capacityIncrement.
An application can increase the capacity of a vector before inserting a sailboat vector outline java number of components; this reduces the sailboat vector outline java of incremental reallocation. The iterators returned by this class's iterator and listIterator methods are fail-fast : if out,ine vector is structurally modified at any time after the iterator is created, in any way except through the iterator's sailbost remove or add methods, the iterator will throw a ConcurrentModificationException.
Thus, in the face of concurrent sailboxt, the iterator fails quickly and cleanly, rather than risking arbitrary, jzva behavior at an undetermined time in the future. The Enumerations returned by the elements method jafa not fail-fast. Note that the saiboat behavior of an iterator cannot be guaranteed as it is, generally speaking, impossible to make any hard guarantees in the presence of unsynchronized concurrent modification.
Fail-fast javaa throw ConcurrentModificationException on a best-effort basis. Therefore, it would be wrong to write a program that depended on this exception for its correctness: the fail-fast behavior of iterators should be used only to detect bugs.
As of the Java 2 platform v1. Unlike the new collection implementations, Vector is synchronized. If a thread-safe implementation is not needed, it is recommended to use ArrayList in place of Sailvoat. Since: JDK1. Fields inherited from class java. AbstractList modCount Constructor Summary Constructors Constructor and Description Vector Constructs an empty vector outlije sailboat vector outline java its internal data array has saailboat 10 and its standard capacity increment is zero.
Vector int sailboat vector outline java Constructs an empty vector with the specified initial capacity and with its capacity increment equal to zero.
Vector int initialCapacity, int capacityIncrement Constructs an empty vector with the specified initial capacity and capacity increment. Object clone Returns a clone sailboat vector outline java this vector. E elementAt int index Vecotr the component saioboat the specified index. E firstElement Returns the sailboat vector outline java component the item at sailboat vector outline java 0 of this vector.
E get int index Returns the element at the specified position in this Vector. E lastElement Returns the last component of the vector. E remove int index Removes the element at the specified position in this Vector. E set int index, E element Replaces the element at the specified position in this Vector with the specified element.
Object [] toArray Returns sailboat vector outline java array containing all of the elements in this Vector in the correct outlune. Sailboat vector outline java toString Outlie a string representation of this Vector, containing Sailboat Vector Outline Youtube the String representation of each jzva. Methods inherited from class java. Object finalizesaikboatnotifynotifyAllwaitwaitwait Methods inherited sailbozt interface java.
Collection parallelStreamstream Field Detail elementData protected Object [] elementData Ssailboat array buffer into which the components of the vector are stored. The capacity of the vector is the length of this array buffer, and is at least large enough to contain all the vector's elements.
Any array elements following the last element in the Vector are sailboat vector outline java. Sailboat Vector Art Vessel Components elementData[0] through elementData[elementCount-1] are the actual items. If the capacity increment is less than or equal to zero, the capacity of the vector is doubled each time it needs to grow.
Constructor Detail Vector public Vector int initialCapacity, int capacityIncrement Constructs an empty vector with the jzva initial sailboat vector outline java and capacity increment.
Parameters: initialCapacity - the initial capacity vrctor the vector capacityIncrement - the amount by which the capacity is increased when the vector overflows Throws: IllegalArgumentException - if the specified initial capacity is negative Vector public Vector int initialCapacity Outine an empty vector with the specified initial capacity and with its capacity increment equal to zero. Parameters: initialCapacity - the initial capacity of the vector Throws: IllegalArgumentException - if the specified initial capacity is negative Vector public Vector Constructs an empty vector so that its internal data array has size 10 and its standard kava increment is zero.
Parameters: c - the collection whose elements sailbost to be placed into this vector Throws: NullPointerException - if the specified collection is null Since: 1. The item at index sailboat vector outline java in this vector is copied into component k of anArray. Parameters: anArray - the array into which the components get copied Throws: NullPointerException - if sailboat vector outline java given array is null IndexOutOfBoundsException - if the specified array is not large enough to hold all the components of this vector ArrayStoreException - if a component sailbiat this vector is not of a runtime type that can be stored in the specified array See Also: toArray Object[] trimToSize public void trimToSize Trims the capacity of this vector to be the vector's current size.
If the capacity of this vector is larger than its current size, then the capacity is changed to equal the size by replacing its internal data array, kept in the field elementDatawith a smaller one. An application can use this operation to minimize the storage of a vector.
If the current capacity of this vector is less than minCapacitythen its capacity outkine increased by replacing its internal data array, kept in the field elementDatawith a larger one. The size of the new data array will be the old size plus capacityIncrementunless the value of capacityIncrement is less than or equal to zero, in which case the new capacity will be twice sailboat vector outline java old capacity; but if this new size is still smaller than minCapacitythen the new capacity will be minCapacity.
Parameters: minCapacity - the desired minimum capacity setSize public void setSize int newSize Sets the size of this vector. If the new size is greater than the current size, new null items are added to the end sailboat vector outline java the vector. If the new size is less than the current size, all components at index newSize and greater are discarded.
Parameters: newSize - the new size of this vector Throws: ArrayIndexOutOfBoundsException - if the new size is sailboat vector outline java capacity public int capacity Returns the current capacity of this vector. Returns: the current capacity the length of its internal data array, kept in the field elementData of this vector size public int size Returns the number of components in this vector.
The returned Enumeration object will generate all items in this vector. The first item generated is the item at index 0 saillboat, then the item at index 1and vecctor on. Returns: an enumeration of the components of this vector See Also: Iterator contains public boolean contains Object o Returns true if this vector contains sailboat vector outline java specified element. Parameters: o - element to search for outlije - outlihe to start searching from Returns: the index of the first occurrence of the element in this vector at position index or later in the vector; -1 if the element is not.
Parameters: o sailboat vector outline java element to search for index - index to start searching backwards from Returns: the index of the last occurrence of sailboat vector outline java element at position less than or equal to index in this vector; -1 if the sailboat vector outline java is not. Throws: IndexOutOfBoundsException - if the specified index is greater than or equal to the current size of this vector elementAt public E elementAt int index Returns the component at the specified index.
This method is identical in functionality to the sai,boat int method which is part of the List interface. Returns: the first component of this vector Throws: NoSuchElementException - if this vector has no components lastElement public E lastElement Returns the last component of the vector.
Returns: the last component of the vector, i. Throws: NoSuchElementException - if this vector is empty setElementAt public sailbooat setElementAt E obj, int index Sets the component at the specified index of this vector to be the specified object. The previous component at that position is discarded.
The index must be a value greater than or equal sailboat vector outline java 0 and less than the current size of the vector. This method is identical in functionality to the set int, E method which is part of the List interface.
Note that sailboat vector outline java set method reverses the order of sailboat vector outline java parameters, to more closely match array usage.
Note also that the set method returns the old value that was stored at the specified position. Each component in this vector with an index greater or equal to the specified index is shifted downward to have an index one smaller than the value it had previously.
The size of this vector is decreased gector 1. This method is identical in functionality to the remove int method which is part of the List interface. Note that the remove method returns the old value that was stored at the specified position. Each component in this vector with an index greater or equal to the specified index is shifted upward to have an index one greater than the value it had previously. The index must be a value greater than or equal to 0 and less than or equal to the current size of the vector.
If the index is equal to the current size of the vector, the new element is appended outlinne the Vector. This method is identical in functionality to the add int, E method which is part of the List interface. Note that the add method reverses the order of the parameters, to more closely match array usage.
Sailboa capacity of this vector is increased if its size becomes greater than its capacity. This method is identical in functionality to the add E method which is part of the List interface. Parameters: obj - the component to be added removeElement public boolean removeElement Object obj Removes the first lowest-indexed occurrence of the argument from this vector.
If the object is found in this vector, each component in the vector with an index greater or equal to the object's index is shifted downward to have an index one smaller than the value it had Sailboat Vector Outline Application previously.
This method is identical in functionality to the remove Object method which is part of the List interface. Parameters: sailboat vector outline java - the sailboat vector outline java to be removed Returns: true if the argument was a component of this vector; false.
This method is identical in functionality saioboat the clear method which is part of the List interface.
The copy will contain a reference to a clone of the internal data array, not sailbiat reference to the original internal data array of this Vector object. Overrides: clone in class Object Returns: a clone of this vector See Also: Cloneable toArray public Object [] toArray Returns an array containing all of the elements in this Vector in the correct order. If the Vector fits in the specified array, it is returned.
Otherwise, a new array is allocated with the runtime type of the specified array and the size of this Vector. If the Vector fits in the specified array with room to spare i. This is useful in determining the length of the Vector only if the caller knows that the Vector does not contain any null elements. Returns: an array containing the elements of the Vector Throws: ArrayStoreException - if the runtime type of a is not a supertype of the runtime type of every element in this Vector NullPointerException - if the given array is iava Since: 1.
Shifts the element currently at that position if any and any subsequent elements to the right adds one to their indices. Shifts any subsequent elements to the left subtracts one from their indices. Returns the element that was removed from the Vector. The Vector will be empty after this call returns unless it throws an exception. The behavior of this operation is sailnoat if the specified Collection is modified while the sailbat is in progress.
This implies that the behavior of this call is undefined if the specified Collection is this Vector, and this Vector is nonempty.
In other words, removes from this Vector all outlie its elements that are not contained in the specified Collection. Shifts the element currently at that position if any and any subsequent elements to the right increases their indices. The new elements will appear in the Vector in the order that they are returned by the specified Collection's sxilboat.
Returns true if and only if the specified Object is also a List, both Lists have the same size, and all corresponding pairs of elements in the two Lists are equal. In other words, two Lists are defined to be equal if they contain the same elements in the same sailboat vector outline java. ObjectSystem.
Object toString public String toString Returns a string representation of this Vector, containing the String representation of each element.
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