Answer / kiran

GenericServlet is protocol independent and which doesn't support http get/post requests. where as HttpServlet is Protocol specific.

Answer / ashwitha

generic is protocol independent and HTTPservlet is a protocol dependent.
Generic cannot handle cookie and URLRewriting whereas HTTP servlet can.
In generic servlet without having service()cannot deploy the servlet whereas in HTTP servlet without having service() can deploy.
Generic implements from servlet and servletConfig interfaces whereas HTTP extended from generic servlet.
Generic overrides service() whereas HTTP overrides do****().

Answer / ramamohan reddy

Generic Servlet has init() method whereas Httpservlet
doesnot have.and Generic Servlet is the super class of the
HttpServlet.

Explain the steps in writing a java program using jdbc?

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Why do you use a data source object for a connection?

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Is JDBC a language or Application?

3 Answers  

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java.lang.ClassNotFoundException:oracle.jdbc.driver.OracleDr iver? I get this error at run time.I used oracle10G. I set CLASS PATH:C:\oraclexe\app\oracle\product\10.2.0 \server\jdbc\lib\ojdbc14.jar; I write JDBC PROGRAM like import java.sql.*; class Example { public static void main(String args[]) { try { Class.forName ("oracle.jdbc.driver.OracleDriver"); System.out.println("Driver Loaded"); Connection con=DriverManager.getConnection ("jdbc:oracle:thin:@localhost:1521:xe","system","salmas"); System.out.println("Driver Connected"); Statement st=con.createStatement(); ResultSet rs=st.executeQuery("select * from emp"); while(rs.next()) { System.out.println(rs.getInt(1)); System.out.println(rs.getString(2)); System.out.println(rs.getString(3)); } st.close(); con.close(); } catch(Exception e) { System.out.println(e); } finally { System.out.println("it's finally block executed"); } } }

6 Answers   CTS,

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What is ojdbc?

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Does multiple concurrent open statements per connection are supported by the JDBC-ODBC Bridge?

2 Answers  

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Statement, PrepareStatement and Callable all these are interfaces. Thought it is a interface how come we are creating objects and calling methods("preparestatement()") in it. In which class this method is defined. Please let me know. Thanks in advance. example: PreparedStatement pre = con.prepareStatement( "UPDATE COFFEES SET SALES = ? WHERE COF_NAME LIKE ?");

2 Answers  

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What are types of resultset?

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How do I write Greek ( or other non-ASCII/8859-1 ) characters to a database?

0 Answers  

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Is jdbc part of j2ee?

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Jdbc-odbc bridge is multi-threaded or not?

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What is the purpose of the jdbc resultset interface?

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