Java Module java.xml Package javax.xml.stream.events Interface StartDocument（JDK11）

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All Superinterfaces:

XMLEvent, XMLStreamConstants
```
public interface StartDocument
extends XMLEvent
```
An interface for the start document event

Since:

1.6

Field Summary
- Fields declared in interface javax.xml.stream.XMLStreamConstants
  ATTRIBUTE, CDATA, CHARACTERS, COMMENT, DTD, END_DOCUMENT, END_ELEMENT, ENTITY_DECLARATION, ENTITY_REFERENCE, NAMESPACE, NOTATION_DECLARATION, PROCESSING_INSTRUCTION, SPACE, START_DOCUMENT, START_ELEMENT

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`encodingSet()`	Returns true if CharacterEncodingScheme was set in the encoding declaration of the document
`String`	`getCharacterEncodingScheme()`	Returns the encoding style of the XML data
`String`	`getSystemId()`	Returns the system ID of the XML data
`String`	`getVersion()`	Returns the version of XML of this XML stream
`boolean`	`isStandalone()`	Returns if this XML is standalone
`boolean`	`standaloneSet()`	Returns true if the standalone attribute was set in the encoding declaration of the document.

Methods declared in interface javax.xml.stream.events.XMLEvent
asCharacters, asEndElement, asStartElement, getEventType, getLocation, getSchemaType, isAttribute, isCharacters, isEndDocument, isEndElement, isEntityReference, isNamespace, isProcessingInstruction, isStartDocument, isStartElement, writeAsEncodedUnicode

- Method Detail
  - getSystemId
```
String getSystemId()
```
    Returns the system ID of the XML data
    
    Returns:
    
    the system ID, defaults to ""
  - getCharacterEncodingScheme
```
String getCharacterEncodingScheme()
```
    Returns the encoding style of the XML data
    
    Returns:
    
    the character encoding, defaults to "UTF-8"
  - encodingSet
```
boolean encodingSet()
```
    Returns true if CharacterEncodingScheme was set in the encoding declaration of the document
  - isStandalone
```
boolean isStandalone()
```
    Returns if this XML is standalone
    
    Returns:
    
    the standalone state of XML, defaults to "no"
  - standaloneSet
```
boolean standaloneSet()
```
    Returns true if the standalone attribute was set in the encoding declaration of the document.
  - getVersion
```
String getVersion()
```
    Returns the version of XML of this XML stream
    
    Returns:
    
    the version of XML, defaults to "1.0"

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