java.lang

Class Runtime

java.lang.Object

java.lang.Runtime

public class Runtime
extends Object

Method Summary

Modifier and Type	Method and Description
Process	exec(String command) Executes the specified string command in a separate process.
static void	exec(String command, boolean blocking) Executes the specified single command in a separate process.
void	exit(int i) Exits the application.
long	freeMemory()
void	gc() Requests that GC be run.
static Runtime	getRuntime()
long	totalMemory()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

exit

public void exit(int i)

Exits the application.

Parameters:

i - Numeric ERRORLEVEL to be returned by the application on exit.

freeMemory

public long freeMemory()

Returns:

The amount of free RAM in bytes.

totalMemory

public long totalMemory()

Returns:

The total size of the RAM Heap in bytes.

gc

public void gc()

Requests that GC be run.

getRuntime

public static Runtime getRuntime()

Returns:

The current instance of Runtime class for this process.

exec

public Process exec(String command)

Executes the specified string command in a separate process. The associated ConsoleProcess object is returned providing the ability to interact with the session and retrieve output and/or provide input.

Parameters:

command - Command line text

Returns:

a Process object for the console session.

exec

public static void exec(String command,
                        boolean blocking)

Executes the specified single command in a separate process. Blocking is optional.

Parameters:

command - Command line text

blocking - set TRUE to wait for command completion.