Java Reference
In-Depth Information
It has two parameters:
•
ServletRequest
•
ServletResponse
It throws these exceptions:
•
ServletException
•
java.io.IOException
The
ServletInputStream
Class
The
ServletInputStream
is an abstract class defined for servlet writers to get data from the
client. It is meant to be implemented by a network services writer. This class has two methods.
The
ServletInputStream()
Method
protected ServletInputStream()
The
ServletInputStream()
method is the empty default constructor. It has no parameters,
returns no value, and throws no exceptions.
The
readLine()
Method
public void readLine(byte[] b,
int off,
int len)
throws java.io.IOException
The
readLine()
method reads the
len
of bytes into the passed-in byte array
b
, starting at posi-
tion
off
. If the character
\n
is encountered, no more bytes are read in.
readLine()
returns no
value.
It has three parameters:
•
byte[]
•
int
•
int
It throws this exception:
•
java.io.IOException
The
ServletOutputStream
Class
The
ServletOutputStream
class is used to write responses back to the client. It is an abstract
class that is implemented by the network services implementor. To access the
