@ -3,7 +3,7 @@
" Maintainer: Aliaksei Budavei <0x000c70 AT gmail DOT com>
" Former Maintainer: Claudio Fleiner <claudio@fleiner.com>
" Repository: https://github.com/zzzyxwvut/java-vim.git
" Last Change: 2025 Jun 22
" Last Change: 2025 Aug 07
" Please check ":help java.vim" for comments on some of the options
" available.
@ -125,11 +125,29 @@ endif
" if necessary, on the line before that (h: \@<=), trying to match
" neither a method reference nor a qualified method invocation.
try
syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@80<!\<yield\>"
if ! empty ( get ( g :, 'java_lookbehind_byte_counts' , {}) )
exec 'syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@' . max ( [0 , get ( g :java_lookbehind_byte_counts , 'javaOperator' , 80 ) ]) . '<!\<yield\>"'
function ! s :ff .PeekFor ( item , count ) abort
return string ( max ( [0 , get ( g :java_lookbehind_byte_counts , a :item , a :count ) ]) )
endfunction
else
syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@80<!\<yield\>"
function ! s :ff .PeekFor ( dummy , count ) abort
return string ( a :count )
endfunction
endif
let s :ff .Peek = s :ff .LeftConstant
catch /\<E59:/
call s :ReportOnce ( v :exception )
syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@<!\<yield\>"
function ! s :ff .PeekFor ( dummy_a , dummy_b ) abort
return ""
endfunction
let s :ff .Peek = s :ff .RightConstant
endtry
@ -308,7 +326,7 @@ if exists("g:java_highlight_generics")
" Match sections of generic methods and constructors and their
" parameterised use.
exec 'syn region javaTypeParamSection transparent matchgroup=javaGenericsCX start=/' . s :ff .Engine ( '\%#=2' , '' ) . '\%(^\|\s\)\@' . s :ff .Peek ( '1' , '' ) . '<=<\%(\%([^(){}]\|\n\)\+[[:space:]-]\@' . s :ff .Peek ( '1' , '' ) . '<!>\_s\+\%(\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<' . s :ff .UpperCase ( '[$_[:upper:]]' , '[^a-z0-9]' ) . '\k*\>\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s :ff .Peek ( '1' , '' ) . '<!>\)\=\)\%(\[\]\)*\)\_s\+\)\=\<\K\k*\>\s*(\)\@=/ end=/>/ contains=javaGenerics,@javaTypeParams'
exec 'syn region javaTypeParamSection transparent matchgroup=javaGenericsCX start=/\%(\%(\<new\|::\|\.\)[[:space:]\n]*\)\@' . s :ff .Peek ( '80' , '' ) . '<=<>\@!/ end=/>/ contains=javaGenerics,@javaTypeParams'
exec 'syn region javaTypeParamSection transparent matchgroup=javaGenericsCX start=/\%(\%(\<new\|::\|\.\)[[:space:]\n]*\)\@' . s :ff .Peek For( 'javaTypeParamSection' , 80 ) . '<=<>\@!/ end=/>/ contains=javaGenerics,@javaTypeParams'
for s :ctx in [{'gsg' : 'javaGenerics' , 'ghg' : 'javaGenericsC1' , 'csg' : 'javaGenericsX' , 'c' : '' },
\ {'gsg' : 'javaGenericsX' , 'ghg' : 'javaGenericsC2' , 'csg' : 'javaGenerics' , 'c' : ' contained' }]
@ -376,7 +394,7 @@ syn match javaCommentStar contained "^\s*\*$"
syn match javaLineComment "//.*" contains = @javaCommentSpecial2 , javaTodo , javaCommentMarkupTag , javaSpaceError , @Spell
syn match javaCommentMarkupTag contained "@\%(end\|highlight\|link\|replace\|start\)\>" nextgroup = javaCommentMarkupTagAttr , javaSpaceError skipwhite
syn match javaCommentMarkupTagAttr contained "\<region\>" nextgroup = javaCommentMarkupTagAttr , javaSpaceError skipwhite
exec 'syn region javaCommentMarkupTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/\%(=\s*\)\@' . s :ff .Peek ( '80' , '' ) . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite oneline'
exec 'syn region javaCommentMarkupTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/\%(=\s*\)\@' . s :ff .Peek For( 'javaCommentMarkupTagAttr' , 80 ) . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite oneline'
syn match javaCommentError contained "/\*" me = e -1 display
if ! exists ( "g:java_ignore_javadoc" ) && ( s :with_html | | s :with_markdown ) && g :main_syntax ! = 'jsp'
@ -476,9 +494,9 @@ if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:mai
if s :with_markdown
syn region javaMarkdownComment start = "///" skip = "^\s*///.*$" end = "^" keepend contains = javaMarkdownCommentTitle , javaMarkdownShortcutLink , @javaMarkdown , @javaDocTags , javaTodo , @Spell nextgroup = javaMarkdownCommentTitle fold
syn match javaMarkdownCommentMask contained "^\s*///"
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s :ff .Peek ( '80' , '' ) . '<!///" matchgroup=javaMarkdownCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\n\%(\s*///\s*$\)\@=" end="\%(^\s*///\s*\)\@' . s :ff .Peek ( '80' , '' ) . '<=@"me=s-2,he=s-1 contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s :ff .Peek ( '80' , '' ) . '<!///\s*\%({@return\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}\%(\s*\.*\)*" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s :ff .Peek ( '80' , '' ) . '<!///\s*\%({@summary\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s :ff .Peek For( 'javaMarkdownCommentTitle' , 120 ) . '<!///" matchgroup=javaMarkdownCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\n\%(\s*///\s*$\)\@=" end="\%(^\s*///\s*\)\@' . s :ff .Peek For( 'javaMarkdownCommentTitle' , 120 ) . '<=@"me=s-2,he=s-1 contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s :ff .Peek For( 'javaMarkdownCommentTitle' , 120 ) . '<!///\s*\%({@return\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}\%(\s*\.*\)*" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s :ff .Peek For( 'javaMarkdownCommentTitle' , 120 ) . '<!///\s*\%({@summary\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
" REDEFINE THE MARKDOWN ITEMS ANCHORED WITH "^", OBSERVING THE
" DEFINITION ORDER.
@ -530,7 +548,7 @@ if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:mai
if s :with_html
syn region javaDocComment start = "/\*\*" end = "\*/" keepend contains = javaCommentTitle , @javaHtml , @javaDocTags , javaTodo , javaCommentError , javaSpaceError , @Spell fold
exec 'syn region javaCommentTitle contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\%(^\s*\**\s*\)\@' . s :ff .Peek ( '80' , '' ) . '<=@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,@javaDocTags'
exec 'syn region javaCommentTitle contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\%(^\s*\**\s*\)\@' . s :ff .Peek For( 'javaCommentTitle' , 120 ) . '<=@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,@javaDocTags'
syn region javaCommentTitle contained matchgroup = javaDocComment start = "/\*\*\s*\r\=\n\=\s*\**\s*\%({@return\>\)\@=" matchgroup = javaCommentTitle end = "}\%(\s*\.*\)*" contains = @javaHtml , javaCommentStar , javaTodo , javaCommentError , javaSpaceError , @Spell , @javaDocTags , javaTitleSkipBlock
syn region javaCommentTitle contained matchgroup = javaDocComment start = "/\*\*\s*\r\=\n\=\s*\**\s*\%({@summary\>\)\@=" matchgroup = javaCommentTitle end = "}" contains = @javaHtml , javaCommentStar , javaTodo , javaCommentError , javaSpaceError , @Spell , @javaDocTags , javaTitleSkipBlock
hi def link javaDocComment Comment
@ -605,7 +623,7 @@ if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:mai
syn region javaCodeSkipBlock contained transparent start = "{\%(@code\>\)\@!" end = "}" contains = javaCodeSkipBlock , javaDocCodeTag
syn region javaDocCodeTag contained start = "{@code\>" end = "}" contains = javaDocCodeTag , javaCodeSkipBlock
exec 'syn region javaDocSnippetTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/:$/ end=/\%(=\s*\)\@' . s :ff .Peek ( '80' , '' ) . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.\\/-]\|\k\)\+\)/ nextgroup=javaDocSnippetTagAttr skipwhite skipnl'
exec 'syn region javaDocSnippetTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/:$/ end=/\%(=\s*\)\@' . s :ff .Peek For( 'javaDocSnippetTagAttr' , 80 ) . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.\\/-]\|\k\)\+\)/ nextgroup=javaDocSnippetTagAttr skipwhite skipnl'
syn region javaSnippetSkipBlock contained transparent start = "{\%(@snippet\>\)\@!" end = "}" contains = javaSnippetSkipBlock , javaDocSnippetTag , javaCommentMarkupTag
syn region javaDocSnippetTag contained start = "{@snippet\>" end = "}" contains = javaDocSnippetTag , javaSnippetSkipBlock , javaDocSnippetTagAttr , javaCommentMarkupTag
@ -655,8 +673,8 @@ syn match javaTextBlockError +"""\s*"""+
if s :ff .IsAnyRequestedPreviewFeatureOf ( [430 ])
syn region javaStrTemplEmbExp contained matchgroup = javaStrTempl start = "\\{" end = "}" contains = TOP
exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s :ff .Peek ( '80' , '' ) . '<="+ end=+"+ contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,@Spell'
exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s :ff .Peek ( '80' , '' ) . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell'
exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s :ff .Peek For( 'javaStrTempl' , 80 ) . '<="+ end=+"+ contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,@Spell'
exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s :ff .Peek For( 'javaStrTempl' , 80 ) . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell'
hi def link javaStrTempl Macro
endif
@ -699,7 +717,7 @@ if exists("g:java_highlight_functions")
" definitions take care of constructor declarations and enum
" constants (with no support for @Foo(value = "bar")). Also,
" reject inlined declarations with "[^{]" for signature.
exec 'syn region javaFuncDef ' . s :ff .GroupArgs ( 'transparent matchgroup=javaFuncDefStart' , '' ) . ' start="' . s :ff .PeekTo ( '\%(' , '' ) . '^' . s :indent . '\%(<\%(/\*.\{-}\*/\|[^(){}>]\|\n\)\+>\+\s\+\|\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)\+\)\=\%(\<\K\k*\>\.\)*\K\k*\>[^={]*\%(\<record\)\@' . s :ff .Peek ( '6' , '' ) . '<!\s' . s :ff .PeekFrom ( '\)\@' . s :ff .Peek ( '80' , '' ) . '<=' , '' ) . '\K\k*\s*(" end=")" contains=@javaFuncParams'
exec 'syn region javaFuncDef ' . s :ff .GroupArgs ( 'transparent matchgroup=javaFuncDefStart' , '' ) . ' start="' . s :ff .PeekTo ( '\%(' , '' ) . '^' . s :indent . '\%(<\%(/\*.\{-}\*/\|[^(){}>]\|\n\)\+>\+\s\+\|\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)\+\)\=\%(\<\K\k*\>\.\)*\K\k*\>[^={]*\%(\<record\)\@' . s :ff .Peek ( '6' , '' ) . '<!\s' . s :ff .PeekFrom ( '\)\@' . s :ff .Peek For( 'javaFuncDef' , 120 ) . '<=' , '' ) . '\K\k*\s*(" end=")" contains=@javaFuncParams'
" As long as package-private constructors cannot be matched with
" javaFuncDef, do not look with javaConstructorSkipDeclarator for
" them. (Approximate "javaTypeParamSection" if necessary.)
@ -710,7 +728,7 @@ if exists("g:java_highlight_functions")
exec 'syn match javaEnumSkipConstant contained transparent /^' . s :indent . '\%(\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\K\k*\s*\%((.*)\)\=\s*[,;({]\s*\)\+/ contains=@javaEnumConstants'
" (2) Define a syntax group for top level enumerations and tell
" apart their constants from method declarations.
exec 'syn region javaTopEnumDeclaration transparent start=/\%(^\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(strictfp\s\+\)\=\<enum\_s\+\)\@' . s :ff .Peek ( '80' , '' ) . '<=\K\k*\%(\_s\+implements\_s.\+\)\=\_s*{/ end=/}/ contains=@javaTop,javaEnumSkipConstant'
exec 'syn region javaTopEnumDeclaration transparent start=/\%(^\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(strictfp\s\+\)\=\<enum\_s\+\)\@' . s :ff .Peek For( 'javaTopEnumDeclaration' , 80 ) . '<=\K\k*\%(\_s\+implements\_s.\+\)\=\_s*{/ end=/}/ contains=@javaTop,javaEnumSkipConstant'
" (3) Define a base variant of javaParenT without using @javaTop
" in order to not include javaFuncDef.
syn region javaParenE transparent matchgroup = javaParen start = "(" end = ")" contains = @javaEnumConstants , javaInParen
@ -722,7 +740,7 @@ if exists("g:java_highlight_functions")
" Match arbitrarily indented camelCasedName method declarations.
" Match: [@ɐ] [abstract] [<α γ
exec 'syn region javaFuncDef ' . s :ff .GroupArgs ( 'transparent matchgroup=javaFuncDefStart' , '' ) . ' start=/' . s :ff .Engine ( '\%#=2' , '' ) . s :ff .PeekTo ( '\%(' , '' ) . '^\s\+\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(\%(abstract\|default\)\s\+\|\%(\%(final\|\%(native\|strictfp\)\|s\%(tatic\|ynchronized\)\)\s\+\)*\)\=\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s :ff .Peek ( '1' , '' ) . '<!>\s\+\)\=\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<' . s :ff .UpperCase ( '[$_[:upper:]]' , '[^a-z0-9]' ) . '\k*\>\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s :ff .Peek ( '1' , '' ) . '<!>\)\=\)\%(\[\]\)*\)\s\+' . s :ff .PeekFrom ( '\)\@' . s :ff .Peek ( '80' , '' ) . '<=' , '' ) . '\<' . s :ff .LowerCase ( '[$_[:lower:]]' , '[^A-Z0-9]' ) . '\k*\>\s*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=@javaFuncParams'
exec 'syn region javaFuncDef ' . s :ff .GroupArgs ( 'transparent matchgroup=javaFuncDefStart' , '' ) . ' start=/' . s :ff .Engine ( '\%#=2' , '' ) . s :ff .PeekTo ( '\%(' , '' ) . '^\s\+\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(\%(abstract\|default\)\s\+\|\%(\%(final\|\%(native\|strictfp\)\|s\%(tatic\|ynchronized\)\)\s\+\)*\)\=\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s :ff .Peek ( '1' , '' ) . '<!>\s\+\)\=\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<' . s :ff .UpperCase ( '[$_[:upper:]]' , '[^a-z0-9]' ) . '\k*\>\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s :ff .Peek ( '1' , '' ) . '<!>\)\=\)\%(\[\]\)*\)\s\+' . s :ff .PeekFrom ( '\)\@' . s :ff .Peek For( 'javaFuncDef' , 120 ) . '<=' , '' ) . '\<' . s :ff .LowerCase ( '[$_[:lower:]]' , '[^A-Z0-9]' ) . '\k*\>\s*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=@javaFuncParams'
endif
endif
@ -736,8 +754,8 @@ if exists("g:java_highlight_debug")
" The highlight groups of java{StrTempl,Debug{,Paren,StrTempl}}\,
" share one colour by default. Do not conflate unrelated parens.
syn region javaDebugStrTemplEmbExp contained matchgroup = javaDebugStrTempl start = "\\{" end = "}" contains = javaComment , javaLineComment , javaDebug \%( Paren \) \@! .*
exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s :ff .Peek ( '80' , '' ) . '<="+ end=+"+ contains=javaDebugStrTemplEmbExp,javaDebugSpecial'
exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s :ff .Peek ( '80' , '' ) . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugStrTemplEmbExp,javaDebugSpecial,javaDebugTextBlockError'
exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s :ff .Peek For( 'javaDebugStrTempl' , 80 ) . '<="+ end=+"+ contains=javaDebugStrTemplEmbExp,javaDebugSpecial'
exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s :ff .Peek For( 'javaDebugStrTempl' , 80 ) . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugStrTemplEmbExp,javaDebugSpecial,javaDebugTextBlockError'
hi def link javaDebugStrTempl Macro
endif
@ -786,7 +804,7 @@ syn region javaBlockOther transparent matchgroup=javaBlockOtherStart start="{" e
" Try not to fold top-level-type bodies under assumption that there is
" but one such body.
exec 'syn region javaBlock transparent matchgroup=javaBlockStart start="\%(^\|^\S[^:]\+\)\@' . s :ff .Peek ( '120' , '' ) . '<!{" end="}" fold'
exec 'syn region javaBlock transparent matchgroup=javaBlockStart start="\%(^\|^\S[^:]\+\)\@' . s :ff .Peek For( 'javaBlock' , 120 ) . '<!{" end="}" fold'
" See "D.2.1 Anonymous Classes" at
" https://web.archive.org/web/20010821025330/java.sun.com/docs/books/jls/first_edition/html/1.1Update.html#12959.
Aliaksei Budavei
Christian Brabandt