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## org.w3c.dom
Interface ProcessingInstruction

All Superinterfaces:
  Node

    public interface ProcessingInstruction

extends Node

The `ProcessingInstruction` interface represents a "processing instruction", used in XML as a way to keep processor-specific information in the text of the document.

No lexical check is done on the content of a processing instruction and it is therefore possible to have the character sequence `"?>"` in the content, which is illegal a processing instruction per section 2.6 of [XML 1.0]. The presence of this character sequence must generate a fatal error during serialization.

See also the Document Object Model (DOM) Level 3 Core Specification.

Field Summary

Fields inherited from interface org.w3c.dom.Node
`ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_POSITION_CONTAINED_BY, DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_PRECEDING, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE`

Method Summary
`String` | `getData()` The content of this processing instruction.
`String` | `getTarget()` The target of this processing instruction.
`void` | `setData(String data)` The content of this processing instruction.

Methods inherited from interface org.w3c.dom.Node
`appendChild, cloneNode, compareDocumentPosition, getAttributes, getBaseURI, getChildNodes, getFeature, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNodeName, getNodeType, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, getTextContent, getUserData, hasAttributes, hasChildNodes, insertBefore, isDefaultNamespace, isEqualNode, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, normalize, removeChild, replaceChild, setNodeValue, setPrefix, setTextContent, setUserData`

Method Detail

### getTarget

    String getTarget()

  The target of this processing instruction. XML defines this as being the first token following the markup that begins the processing instruction.

### getData

    String getData()

  The content of this processing instruction. This is from the first non white space character after the target to the character immediately preceding the `?>`.

### setData

    void setData(String data)
                 throws DOMException

  The content of this processing instruction. This is from the first non white space character after the target to the character immediately preceding the `?>`.

  Throws:
    `DOMException` - NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.

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