OS Manuals

/usr/lib/jvm/java-10-openjdk/bin/javac

Oracle OpenJDK 10

From openjdk-10 10.0.2-r9 (os), captured 2026-11-05 by running javac --help (exit 0). permalink

Usage: javac <options> <source files>
where possible options include:
  @<filename>                  Read options and filenames from file
  -Akey[=value]                Options to pass to annotation processors
  --add-modules <module>(,<module>)*
        Root modules to resolve in addition to the initial modules, or all modules
        on the module path if <module> is ALL-MODULE-PATH.
  --boot-class-path <path>, -bootclasspath <path>
        Override location of bootstrap class files
  --class-path <path>, -classpath <path>, -cp <path>
        Specify where to find user class files and annotation processors
  -d <directory>               Specify where to place generated class files
  -deprecation
        Output source locations where deprecated APIs are used
  -encoding <encoding>         Specify character encoding used by source files
  -endorseddirs <dirs>         Override location of endorsed standards path
  -extdirs <dirs>              Override location of installed extensions
  -g                           Generate all debugging info
  -g:{lines,vars,source}       Generate only some debugging info
  -g:none                      Generate no debugging info
  -h <directory>
        Specify where to place generated native header files
  --help, -help                Print this help message
  --help-extra, -X             Print help on extra options
  -implicit:{none,class}
        Specify whether or not to generate class files for implicitly referenced files
  -J<flag>                     Pass <flag> directly to the runtime system
  --limit-modules <module>(,<module>)*
        Limit the universe of observable modules
  --module <module-name>, -m <module-name>
        Compile only the specified module, check timestamps
  --module-path <path>, -p <path>
        Specify where to find application modules
  --module-source-path <module-source-path>
        Specify where to find input source files for multiple modules
  --module-version <version>
        Specify version of modules that are being compiled
  -nowarn                      Generate no warnings
  -parameters
        Generate metadata for reflection on method parameters
  -proc:{none,only}
        Control whether annotation processing and/or compilation is done.
  -processor <class1>[,<class2>,<class3>...]
        Names of the annotation processors to run; bypasses default discovery process
  --processor-module-path <path>
        Specify a module path where to find annotation processors
  --processor-path <path>, -processorpath <path>
        Specify where to find annotation processors
  -profile <profile>
        Check that API used is available in the specified profile
  --release <release>
        Compile for a specific VM version. Supported targets: 10, 6, 7, 8, 9
  -s <directory>               Specify where to place generated source files
  -source <release>
        Provide source compatibility with specified release
  --source-path <path>, -sourcepath <path>
        Specify where to find input source files
  --system <jdk>|none          Override location of system modules
  -target <release>            Generate class files for specific VM version
  --upgrade-module-path <path>
        Override location of upgradeable modules
  -verbose                     Output messages about what the compiler is doing
  --version, -version          Version information
  -Werror                      Terminate compilation if warnings occur
Options (29)
OptionDescriptionSource
-Akey valueOptions to pass to annotation processorshelp
--add-modules module>(Root modules to resolve in addition to the initial modules, or all modules on the module path if <module> is ALL-MODULE-PATH.help
-d directorySpecify where to place generated class fileshelp
-deprecationOutput source locations where deprecated APIs are usedhelp
-encoding encodingSpecify character encoding used by source fileshelp
-endorseddirs dirsOverride location of endorsed standards pathhelp
-extdirs dirsOverride location of installed extensionshelp
-gGenerate all debugging infohelp
-h directorySpecify where to place generated native header fileshelp
--help, -helpPrint this help messagehelp
--help-extra, -XPrint help on extra optionshelp
-J flagPass <flag> directly to the runtime systemhelp
--limit-modules module>(Limit the universe of observable moduleshelp
--module-source-path module-source-pathSpecify where to find input source files for multiple moduleshelp
--module-version versionSpecify version of modules that are being compiledhelp
-nowarnGenerate no warningshelp
-parametersGenerate metadata for reflection on method parametershelp
-processor class1Names of the annotation processors to run;help
--processor-module-path pathSpecify a module path where to find annotation processorshelp
-profile profileCheck that API used is available in the specified profilehelp
--release releaseCompile for a specific VM version.help
-s directorySpecify where to place generated source fileshelp
-source releaseProvide source compatibility with specified releasehelp
--system jdk>|noneOverride location of system moduleshelp
-target releaseGenerate class files for specific VM versionhelp
--upgrade-module-path pathOverride location of upgradeable moduleshelp
-verboseOutput messages about what the compiler is doinghelp
--version, -versionVersion informationhelp
-WerrorTerminate compilation if warnings occurhelp

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.