# Class XPathConstants

java.lang.Object
javax.xml.xpath.XPathConstants

public class XPathConstants extends Object

XPath constants.

Since:
  1.5
See Also:
  - XML Path Language (XPath) Version 1.0

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static final QName`
  `BOOLEAN`
  The XPath 1.0 boolean data type.
  `static final String`
  `DOM_OBJECT_MODEL`
  The URI for the DOM object model, "http://java.sun.com/jaxp/xpath/dom".
  `static final QName`
  `NODE`
  The XPath 1.0 NodeSet data type.
  `static final QName`
  `NODESET`
  The XPath 1.0 NodeSet data type.
  `static final QName`
  `NUMBER`
  The XPath 1.0 number data type.
  `static final QName`
  `STRING`
  The XPath 1.0 string data type.

- ## Method Summary

  ### Methods declared in class Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`
  Modifier and Type
  Method
  Description
  `protected Object`
  `clone()`
  Creates and returns a copy of this object.
  `boolean`
  `equals(Object obj)`
  Indicates whether some other object is "equal to" this one.
  `protected void`
  `finalize()`
  Deprecated, for removal: This API element is subject to removal in a future version.
  Finalization is deprecated and subject to removal in a future release.
  `final Class<?>`
  `getClass()`
  Returns the runtime class of this `Object`.
  `int`
  `hashCode()`
  Returns a hash code value for this object.
  `final void`
  `notify()`
  Wakes up a single thread that is waiting on this object's monitor.
  `final void`
  `notifyAll()`
  Wakes up all threads that are waiting on this object's monitor.
  `String`
  `toString()`
  Returns a string representation of the object.
  `final void`
  `wait()`
  Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
  `final void`
  `wait(long timeoutMillis)`
  Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
  `final void`
  `wait(long timeoutMillis, int nanos)`
  Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

- ## Field Details

  - ### NUMBER

    public static final QName NUMBER

    The XPath 1.0 number data type.

    Maps to Java `Double`.

  - ### STRING

    public static final QName STRING

    The XPath 1.0 string data type.

    Maps to Java `String`.

  - ### BOOLEAN

    public static final QName BOOLEAN

    The XPath 1.0 boolean data type.

    Maps to Java `Boolean`.

  - ### NODESET

    public static final QName NODESET

    The XPath 1.0 NodeSet data type.

    Maps to Java `NodeList`.

  - ### NODE

    public static final QName NODE

    The XPath 1.0 NodeSet data type.

    Maps to Java `Node`.

  - ### DOM_OBJECT_MODEL

    public static final String DOM_OBJECT_MODEL

    The URI for the DOM object model, "http://java.sun.com/jaxp/xpath/dom".

    See Also:
      - Constant Field Values