NodeList (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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Java^TM 2 Platform
Std. Ed. v1.4.1

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org.w3c.dom
Interface NodeList

All Known Implementing Classes:: IIOMetadataNode

public interface NodeList

The NodeList interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented. NodeList objects in the DOM are live.

The items in the NodeList are accessible via an integral index, starting from 0.

Method Summary

int getLength()
The number of nodes in the list.

Node item(int index)
Returns the indexth item in the collection.

Method Detail

item

public Node item(int index)

Returns the indexth item in the collection. If index is greater than or equal to the number of nodes in the list, this returns null.

Parameters:: index - Index into the collection.
Returns:: The node at the indexth position in the NodeList, or null if that is not a valid index.

getLength

public int getLength()

The number of nodes in the list. The range of valid child node indices is 0 to length-1 inclusive.