This class
describes a process that is running externally to the Java
interpreter. Note that a Process is very different
from a Thread; the Process
class is abstract and cannot be instantiated. Call one of the
Runtime.exec( ) methods to start a process and
return a corresponding Process object.
waitFor( ) blocks until the
process exits. exitValue( ) returns the exit code
of the process. destroy( ) kills the process.
getErrorStream(
)
returns
an
InputStream from which you can read any bytes the
process sends to its standard error stream. getInputStream(
) returns an InputStream from which you
can read any bytes the process sends to its standard output stream.
getOutputStream( ) returns an
OutputStream you can use to send bytes to the
standard input stream of the process.
public abstract class
Process {
// Public Constructors
public
Process ( );
// Public Instance Methods
public abstract void
destroy ( );
public abstract int
exitValue ( );
public abstract java.io.InputStream
getErrorStream ( );
public abstract java.io.InputStream
getInputStream ( );
public abstract java.io.OutputStream
getOutputStream ( );
public abstract int
waitFor ( ) throws InterruptedException;
}