Class InputStream

InputStream interface

Methods

close
(bool) is open
(byte[]) read <int n> bytes

close

Closes the InputStream


main
  // FileReader is used in this example, as it implements InputStream.
  FileReader fr = new FileReader "file.dat"
  fr.close

(bool) is open

Check if the InputStream is open

Return value

True if the InputStream is open, false otherwise


main
  // FileReader is used in this example, as it implements InputStream.
  FileReader fr = new FileReader "file.dat"
  bool result = fr.is open                  // result == true
  fr.close

(byte[]) read <int n> bytes

Read bytes from an InputStream.

Parameters

n - The number of bytes to read.

Return value

The bytes that have been read.

Exceptions

InvalidArgumentException - If the numberOfBytes is negative.
IOException - If the reading of a InputStream fails.


main
  // FileReader is used in this example, as it implements InputStream.
  FileReader fr = new FileReader "file.dat"
  Byte[] byteArray = fr.read fr.get size bytes
  fr.close