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jjs(1)				  Basic Tools				jjs(1)

NAME
       jjs - Invokes the Nashorn engine.

SYNOPSIS
	   jjs [options] [script-files] [-- arguments]

       options
	   One or more options of the jjs command, separated by spaces. For
	   more information, see Options.

       script-files
	   One or more script files which you want to interpret using Nashorn,
	   separated by spaces. If no files are specified, an interactive
	   shell is started.

       arguments
	   All values after the double hyphen marker (--) are passed through
	   to the script or the interactive shell as arguments. These values
	   can be accessed by using the arguments property (see Example 3).

DESCRIPTION
       The jjs command-line tool is used to invoke the Nashorn engine. You can
       use it to interpret one or several script files, or to run an
       interactive shell.

OPTIONS
       The options of the jjs command control the conditions under which
       scripts are interpreted by Nashorn.

       -cp path
       -classpath path
	   Specifies the path to the supporting class files To set multiple
	   paths, the option can be repeated, or you can separate each path
	   with a colon (:).

       -Dname=value
	   Sets a system property to be passed to the script by assigning a
	   value to a property name. The following example shows how to invoke
	   Nashorn in interactive mode and assign myValue to the property
	   named myKey:

	       >> jjs -DmyKey=myValue
	       jjs> java.lang.System.getProperty("myKey")
	       myValue
	       jjs>

	   This option can be repeated to set multiple properties.

       -doe
       --dump-on-error
	   Provides a full stack trace when an error occurs. By default, only
	   a brief error message is printed.

       -fv
       --fullversion
	   Prints the full Nashorn version string.

       -fx
	   Launches the script as a JavaFX application.

       -h
       -help
	   Prints the list of options and their descriptions.

       --language=[es5]
	   Specifies the ECMAScript language version. The default version is
	   ES5.

       -ot
       --optimistic-types=[true|false]
	   Enables or disables optimistic type assumptions with deoptimizing
	   recompilation. Running with optimistic types will yield higher
	   final speed, but may increase warmup time.

       -scripting
	   Enables shell scripting features.

       -strict
	   Enables strict mode, which enforces stronger adherence to the
	   standard (ECMAScript Edition 5.1), making it easier to detect
	   common coding errors.

       -t=zone
       -timezone=zone
	   Sets the specified time zone for script execution. It overrides the
	   time zone set in the OS and used by the Date object.

       -v
       -version
	   Prints the Nashorn version string.

EXAMPLES
       Example 1 Running a Script with Nashorn

	       jjs script.js

       Example 2 Running Nashorn in Interactive Mode

	       >> jjs
	       jjs> println("Hello, World!")
	       Hello, World!
	       jjs> quit()
	       >>

       Example 3 Passing Arguments to Nashorn

	       >> jjs -- a b c
	       jjs> arguments.join(", ")
	       a, b, c
	       jjs>

SEE ALSO
       jrunscript

JDK 8				 03 March 2015				jjs(1)
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