ServltInputStream provides stream to read binary data from request object - Servlets

Discussion

• Nirja Shah   -Posted on 15 Dec 15
  ServletInputStream class
  - This class provides stream to read binary data such as image etc. from the request object. It is an abstract class.
  The getInputStream() method of ServletRequest interface returns the instance of ServletInputStream class. So we can write down as follows:
  ServletInputStream sin=request.getInputStream();
  
  - Method of ServletInputStream class
  There are only one method defined in the ServletInputStream class.
  1. int readLine(byte[] b, int off, int len) it reads the input stream.
  
  ServletOutputStream class
  - This class provides a stream to write binary data into the response. It is an abstract class.
  - The getOutputStream() method of ServletResponse interface returns the instance of ServletOutputStream class. It may be get as:
  1. ServletOutputStream out=response.getOutputStream();
  
  - Methods of ServletOutputStream class
  The ServletOutputStream class provides print() and println() methods that are overloaded.
  1. void print(boolean b){}
  2. void print(char c){}
  3. void print(int i){}
  4. void print(long l){}
  5. void print(float f){}
  6. void print(double d){}
  7. void print(String s){}
  8. void println{}
  9. void println(boolean b){}
  10. void println(char c){}
  11. void println(int i){}
  12. void println(long l){}
  13. void println(float f){}
  14. void println(double d){}
  15. void println(String s){}

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