input/output in java

1. Presentation
On
Input / Output in Java
Presented By:
Pratiksha
Sharma
B.C.A. 2nd Year
Presented To:
Apurva omer

2. Content:-
• Input / Output in Java
• Stream
• types of streams
• Byte stream
• Character stream
• Standard Streams

3. Input / Output in Java
● Programs read inputs from data sources (e.g.,
keyboard, file, network, memory buffer, or another
program) and write outputs to data sinks (e.g., display
console,file, network, memory buffer, or another
program).
● Java I/O (Input and Output) is used to process the input
and produce the output.
● Java uses the concept of stream to make I/O operation
fast.
The java.io package is used for java i/o (file handling).

4. Stream
• A stream can be defined as a sequence of data.
• A stream is an object that either delivers data to its
destination (screen, file, etc.) or that takes data from a
source (keyboard, file, etc.)

5. Stream cont..
• There are two kinds of Streams −
○ Input Stream − The Input Stream is used to read data
from a source.
○ Output Stream − The Output Stream is used for writing
data to a destination.

6. Continue…
● Java defines two types of streams. They are,
○ Byte Stream : It provides a convenient means
for handling input and output of byte.
○ Character Stream : It provides a convenient
means for handling input and output of
characters.

7. types of streams
• There are two types of streams :
• Byte Streams
• Character Streams

8. Byte stream
• Byte stream have been designed to provide functional
features for creating and manipulating streams and
files for reading and writing bytes.
• Bytes can transmit in only one direction.
• Byte streams create binary files.
• Binary files are faster to read and write because no
translation need take place.

9. Character stream
• Character streams can be used to read and
write 16-bit Unicode characters.
• Character streams create text files.
• Two kinds of character stream classes-

10. Standard Streams
Java provides the following three standard streams −
• Standard Input − This is used to feed the data to user's
program and usually a keyboard is used as standard input
stream and represented as System.in.
• Standard Output − This is used to output the data produced
by the user's program and usually a computer screen is used
for standard output stream and represented as System.out.
• Standard Error − This is used to output the error data
produced by the user's program and usually a computer
screen is used for standard error stream and represented
as System.err.

11. Process of input and output stream