This is the command ecj-gcj that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
ecj - manual page for eclipse JDT Compiler
SYNOPSIS
ecj <options> <source files>
DESCRIPTION
The JDT Compiler (jdtc) is a command version of Java compiler for eclipse. ecj has basic
java compiler options like SUN's javac.
Note: this manual page is out of date; please call the compiler with -help for the current
documentation.
OPTIONS
-help display a help message
-version compiler version number
-classpath <dir 1>;<dir 2>;...;<dir P>
-d <dir> destination directory (if omitted no package directory structure
is created)
-d none
no classfile is generated
-1.3 set compliance level to 1.3
-1.4 set compliance level to 1.4 (default)
-1.5 set compliance level to 1.5
-1.6 set compliance level to 1.6
-1.7 set compliance level to 1.7
-1.8 set compliance level to 1.8
-source <ver> assertions toggle (1.3 or 1.4, default is 1.3 in -1.3 mode and 1.4
in -1.4 mode)
-target <ver> classfile target setting
-nowarn no warning (equivalent to '-warn:none')
-warn: <level> set warning level (e.g. '-warn:unusedLocals,deprecation')
constructorName
warn method with constructor name
packageDefaultMethod
warn attempt to override package-default method
deprecation
warn usage of deprecated type or member
maskedCatchBlocks
warn hidden catch block
unusedLocals
warn on unused local variable (never read)
unusedArguments
warn on unused method argument (never read)
unusedImports
warn on unused imports
syntheticAccess
warn when performing synthetic access for innerclass
assertIdentifier
warn occurrence of 'assert' used as identifier
-deprecation equivalent to -warn:deprecation. -g[:<level>] debug
attributes level
-g all debug info ('-g:lines,vars,source')
-g:none
no debug info
-g:[lines,vars,source]
selective debug info
-preserveAllLocals code gen preserve all local variables (for debug purpose)
-noImportError no errors for unresolved imports
-encoding specify default source encoding format (custom encoding can also
be specified on a per file basis by suffixing each input source file/folder name with
'[encoding]')
-log <filename> specify a log file
-proceedOnError keep compiling when error, dumping class files with problem
methods
-verbose print accessedprocessed compilation units
-referenceInfo compute reference info
-progress show progress (only in -log mode)
-time display speed information
-noExit do not call System.exit(n) at end of compilation (n=0 if no error)
-repeat <n> repeat compilation process <n> times (perf analysis)
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