java.lang
public abstract class
public abstract class
java.lang.Process
| java.lang.Object | ||
| java.lang.Process | ||
Instances of class Process provide control of and access to platform processes.
Summary
Public Constructors
| Process() |
Public Methods
| abstract | void | destroy() | |||
| Terimates the receiver and closes any associated streams. | |||||
| abstract | int | exitValue() | |||
| Answers the exit value of the receiving Process. | |||||
| abstract | InputStream | getErrorStream() | |||
| Answers the receiver's error output stream. | |||||
| abstract | InputStream | getInputStream() | |||
| Answers the receiver's standard input stream
Note: This is an InputStream which allows reading from the other process' "stdout". |
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| abstract | OutputStream | getOutputStream() | |||
| Answers the receiver's standard output stream
Note: This is an OutputStream which allows writing to the other process' "stdin". |
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| abstract | int | waitFor() | |||
| Causes the calling thread to wait for the process associated with the receiver to finish executing. | |||||
Methods inherited
from class
java.lang.Object
Details
Public Constructors
public Process()
Public Methods
public abstract void destroy()
Terimates the receiver and closes any associated streams.
public abstract int exitValue()
Answers the exit value of the receiving Process. It is available only
when the OS subprocess is finished.
Returns
- The exit value of the receiver.
Throws
| IllegalThreadStateException | If the receiver has not terminated. |
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public abstract InputStream getErrorStream()
Answers the receiver's error output stream.
Note: This is an InputStream which allows reading of the other threads "stderr".
Returns
- The error stream associated with the receiver
public abstract InputStream getInputStream()
Answers the receiver's standard input stream
Note: This is an InputStream which allows reading from the other process' "stdout".
Returns
- The receiver's process' stdin.
public abstract OutputStream getOutputStream()
Answers the receiver's standard output stream
Note: This is an OutputStream which allows writing to the other process' "stdin".
Returns
- The receiver's process' stdout.
public abstract int waitFor()
Causes the calling thread to wait for the process associated with the
receiver to finish executing.
Returns
- The exit value of the Process being waited on
Throws
| InterruptedException | If the calling thread is interrupted |
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