[Java] #7 - Input & Output Stream

[Java] #7 - Input & Output Stream

• 1.
  P.1 Input & OutputStream ghadeer-al-hasan ghadeer.al.hasan.95@gmail.com
• 2.
  I/O P.2  Inputand Output is used to process the input and produce the output based on the input  The java.io package contains all the classes required for input and output operations Stream  Is a sequence of data, stream is composed of bytes.  3 stream are created for us automatically. All these stream are attached with console 1) System.out 2) System.in 3) System.err
• 3.
  I/O P.3  OutputStream:uses an output stream to write data a destination.  InputStream: uses an input stream to read data from a source.
• 4.
  I/O P.4  Inputand Output is used to process the input and produce the output based on the input  The java.io package contains all the classes required for input and output operations
• 5.
  P.5  Is anoutput stream for writing data to a file.  You can write byte-oriented as well as character-oriented data. FileOutputStream class:
• 6.
  FileInputStream class: P.6 Obtains input bytes from a file.  Is used for reading streams of raw bytes .
• 7.
  ByteArrayOutputStream class: P.7 Is used to write data into multiple files.  Holds a copy of data and forwards it to multiple streams.
• 8.
  Example: P.8 C:UsersGhadeerDesktop1.txt C:UsersGhadeerDesktop2.txt
• 9.
  SequenceInputStream class: P.9 Is used to read data from multiple stream.  It reads data of stream one by one. C:UsersGhadeerDesktop2.txt C:UsersGhadeerDesktop1.txt
• 10.
  Example: P.10 C:UsersGhadeerDesktop1.txt C:UsersGhadeerDesktop2.txt C:UsersGhadeerDesktop3.txt
• 11.
  FileReader & FileWriterclass: P.11  Are used to write and read data from text files.  There are character-oriented classed. C:UsersGhadeerDesktop1.txt C:UsersGhadeerDesktop2.txt
• 12.
  Scanner class: P.12
• 13.
  The End ghadeer-al-hasan ghadeerof@gamil.comghadeer-al-hasanghadeer.al.hasan.95@gmail.com