Comment on Tutorial - HashMap example in Java By Charles



Comment Added by : A Sadist

Comment Added at : 2012-07-05 12:13:45

Comment on Tutorial : HashMap example in Java By Charles
answers to the questions asked by ranjan in comment #24

yes ranjan it is very task if u has small knowledge on jdbc,
i will write the code(only logic) regarding to ur question:

step1:load driver
step2:create connection
step3:create statement
step3:execute quire and store the result in ResultSet


Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con= DriverManager.getConnection("jdbc:odbc:FTW", "ur_name", "ur_lover_name");
//generally usernames are their names and passwords are their lover names//Step1
String st1="select uname, pass from Emp";
Statement st = con.createStatement();
ResultSet rs=st.executeQuery(st1);
Map m1 = new HashMap();
String my_name,my_lover_name;
while(rs.next())
{
my_name = rs.getString(1);//i.e user name
my_lover_name = rs.getString(2);//i.e passward
m1.put(my_name , my_lover_name); //here we add to our map

}
see how romantic this java is just enjoy


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Archived Comments

1. thanku verymuch. very helpfull
View Tutorial          By: praveen at 2010-08-05 06:04:35

2. Very nice tutorial :)

I have teste

View Tutorial          By: yannoo95170 at 2015-06-18 00:30:26

3. Hi
I can able to execute the abov

View Tutorial          By: sruthy at 2010-07-23 03:29:39

4. this is because dear u r using here postfix increm
View Tutorial          By: sajid at 2011-09-06 20:51:54

5. when I exported the data to excel there is a value
View Tutorial          By: mizhelle at 2015-10-10 13:17:56

6. Thanks great tutorial..
View Tutorial          By: Abul Rahman at 2009-07-24 11:39:52

7. Now what the hell does all this mean???
To

View Tutorial          By: Søren at 2011-09-22 03:13:53

8. thanks alot!
View Tutorial          By: gumuruh at 2010-11-06 11:27:18

9. All in all is not a comment.bt a question How 2 us
View Tutorial          By: Tkalani at 2009-06-03 02:16:14

10. i am using tata photon+ modem ,so which csca numb
View Tutorial          By: ganesh at 2011-01-30 12:11:01