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Class java.lang.Process
java.lang.Object
|
+----java.lang.Process
- public abstract class Process
- extends Object
The exec
methods return an instance of a subclass of Process
that can be used to control the process and obtain information about it. The subprocess is not killed when there are no more references to the Process
object, but rather the subprocess continues executing asynchronously.
- See Also:
- exec, exec, exec, exec
- Process()
- destroy()
- Kills the subprocess.
- exitValue()
- Returns the exit value for the subprocess.
- getErrorStream()
- Gets the error stream of the subprocess.
- getInputStream()
- Gets the input stream of the subprocess.
- getOutputStream()
- Gets the output stream of the subprocess.
- waitFor()
- Waits for the subprocess to complete.
Process
public Process()
getOutputStream
public abstract OutputStream getOutputStream()
- Gets the output stream of the subprocess. This stream is usually buffered.
- Returns:
- the output stream connected to the normal input of the subprocess.
getInputStream
public abstract InputStream getInputStream()
- Gets the input stream of the subprocess. This stream is usually buffered.
- Returns:
- the input stream connected to the normal output of the subprocess.
getErrorStream
public abstract InputStream getErrorStream()
- Gets the error stream of the subprocess. This stream is usually unbuffered.
- Returns:
- the input stream connected to the error stream of the subprocess.
waitFor
public abstract int waitFor() throws InterruptedException
- Waits for the subprocess to complete. This method returns immediately if the subprocess has already terminated. If the subprocess has not yet terminated, the calling thread will be blocked until the subprocess exits.
- Returns:
- the exit value of the process.
- Throws: InterruptedException
- if the
waitFor
was interrupted.
exitValue
public abstract int exitValue()
- Returns the exit value for the subprocess.
- Returns:
- the exit value of the subprocess.
- Throws: IllegalThreadStateException
- if the subprocess has not yet terminated.
destroy
public abstract void destroy()
- Kills the subprocess.
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