java.lang.System
arraycopy?(Object src, int srcPos, Object dest, int destPos, int length) Copies an array from the specified source array, beginning at the specified position, to the specified position of the destination array.
clearProperty?(String key) Removes the system property indicated by the specified key.
currentTimeMillis?() Returns the current time in milliseconds.
exit?(int status) Terminates the currently running Java Virtual Machine.
gc?() Runs the garbage collector.
getenv?() Returns an unmodifiable string map view of the current system environment.
getenv?(String name) Gets the value of the specified environment variable.
getProperties() Determines the current system properties.
getProperty?(String key) Gets the system property indicated by the specified key.
getProperty?(String key, String def) Gets the system property indicated by the specified key.
getSecurityManager?() Gets the system security interface.
identityHashCode?(Object x) Returns the same hash code for the given object as would be returned by the default method hashCode(), whether or not the given object's class overrides hashCode().
inheritedChannel?() Returns the channel inherited from the entity that created this Java virtual machine.
load?(String filename) Loads a code file with the specified filename from the local file system as a dynamic library.
loadLibrary?(String libname) Loads the system library specified by the libname argument.
mapLibraryName?(String libname) Maps a library name into a platform-specific string representing a native library.
nanoTime?() Returns the current value of the most precise available system timer, in nanoseconds.
runFinalization?() Runs the finalization methods of any objects pending finalization.
runFinalizersOnExit?(boolean value) Deprecated. This method is inherently unsafe. It may result in finalizers being called on live objects while other threads are concurrently manipulating those objects, resulting in erratic behavior or deadlock.
setErr?(PrintStream err) Reassigns the "standard" error output stream.
setIn?(InputStream in) Reassigns the "standard" input stream.
setOut?(PrintStream out) Reassigns the "standard" output stream.
setProperties?(Properties props) Sets the system properties to the Properties argument.
setProperty?(String key, String value) Sets the system property indicated by the specified key.
setSecurityManager?(SecurityManager s) Sets the System security.
