```
public interface HttpHeaders
```
HTTP header constants

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`ACCEPT`	See HTTP/1.1 documentation.
`static String`	`ACCEPT_CHARSET`	See HTTP/1.1 documentation.
`static String`	`ACCEPT_ENCODING`	See HTTP/1.1 documentation.
`static String`	`ACCEPT_LANGUAGE`	See HTTP/1.1 documentation.
`static String`	`ALLOW`	See HTTP/1.1 documentation.
`static String`	`AUTHORIZATION`	See HTTP/1.1 documentation.
`static String`	`CACHE_CONTROL`	See HTTP/1.1 documentation.
`static String`	`CONTENT_ENCODING`	See HTTP/1.1 documentation.
`static String`	`CONTENT_LANGUAGE`	See HTTP/1.1 documentation.
`static String`	`CONTENT_LENGTH`	See HTTP/1.1 documentation.
`static String`	`CONTENT_LOCATION`	See HTTP/1.1 documentation.
`static String`	`CONTENT_TYPE`	See HTTP/1.1 documentation.
`static String`	`COOKIE`	See IETF RFC 2109.
`static String`	`DATE`	See HTTP/1.1 documentation.
`static String`	`ETAG`	See HTTP/1.1 documentation.
`static String`	`EXPIRES`	See HTTP/1.1 documentation.
`static String`	`HOST`	See HTTP/1.1 documentation.
`static String`	`IF_MATCH`	See HTTP/1.1 documentation.
`static String`	`IF_MODIFIED_SINCE`	See HTTP/1.1 documentation.
`static String`	`IF_NONE_MATCH`	See HTTP/1.1 documentation.
`static String`	`IF_UNMODIFIED_SINCE`	See HTTP/1.1 documentation.
`static String`	`LAST_MODIFIED`	See HTTP/1.1 documentation.
`static String`	`LINK`	See Web Linking (IETF RFC-5988) documentation.
`static String`	`LOCATION`	See HTTP/1.1 documentation.
`static String`	`RETRY_AFTER`	See HTTP/1.1 documentation.
`static String`	`SET_COOKIE`	See IETF RFC 2109.
`static String`	`USER_AGENT`	See HTTP/1.1 documentation.
`static String`	`VARY`	See HTTP/1.1 documentation.
`static String`	`WWW_AUTHENTICATE`	See HTTP/1.1 documentation.

- Field Detail
  - ACCEPT
```
static final String ACCEPT
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ACCEPT_CHARSET
```
static final String ACCEPT_CHARSET
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ACCEPT_ENCODING
```
static final String ACCEPT_ENCODING
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ACCEPT_LANGUAGE
```
static final String ACCEPT_LANGUAGE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ALLOW
```
static final String ALLOW
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - AUTHORIZATION
```
static final String AUTHORIZATION
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CACHE_CONTROL
```
static final String CACHE_CONTROL
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_ENCODING
```
static final String CONTENT_ENCODING
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_LANGUAGE
```
static final String CONTENT_LANGUAGE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_LENGTH
```
static final String CONTENT_LENGTH
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_LOCATION
```
static final String CONTENT_LOCATION
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_TYPE
```
static final String CONTENT_TYPE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - DATE
```
static final String DATE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ETAG
```
static final String ETAG
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - EXPIRES
```
static final String EXPIRES
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - HOST
```
static final String HOST
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - IF_MATCH
```
static final String IF_MATCH
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - IF_MODIFIED_SINCE
```
static final String IF_MODIFIED_SINCE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - IF_NONE_MATCH
```
static final String IF_NONE_MATCH
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - IF_UNMODIFIED_SINCE
```
static final String IF_UNMODIFIED_SINCE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - LAST_MODIFIED
```
static final String LAST_MODIFIED
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - LOCATION
```
static final String LOCATION
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - LINK
```
static final String LINK
```
    See Web Linking (IETF RFC-5988) documentation.
    
    See Also:
    
    Constant Field Values
  - RETRY_AFTER
```
static final String RETRY_AFTER
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - USER_AGENT
```
static final String USER_AGENT
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - VARY
```
static final String VARY
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - WWW_AUTHENTICATE
```
static final String WWW_AUTHENTICATE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - COOKIE
```
static final String COOKIE
```
    See IETF RFC 2109.
    
    See Also:
    
    Constant Field Values
  - SET_COOKIE
```
static final String SET_COOKIE
```
    See IETF RFC 2109.
    
    See Also:
    
    Constant Field Values

Interface HttpHeaders

Field Summary

Field Detail

ACCEPT

ACCEPT_CHARSET

ACCEPT_ENCODING

ACCEPT_LANGUAGE

ALLOW

AUTHORIZATION

CACHE_CONTROL

CONTENT_ENCODING

CONTENT_LANGUAGE

CONTENT_LENGTH

CONTENT_LOCATION

CONTENT_TYPE

DATE

ETAG

EXPIRES

HOST

IF_MATCH

IF_MODIFIED_SINCE

IF_NONE_MATCH

IF_UNMODIFIED_SINCE

LAST_MODIFIED

LOCATION

LINK

RETRY_AFTER

USER_AGENT

VARY

WWW_AUTHENTICATE

COOKIE

SET_COOKIE