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. Your output is not correct.. Give the correct out
View Tutorial          By: Surendrakumar at 2014-06-04 07:00:16

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

3. Sorry about this. I cannot run this program becaus
View Tutorial          By: TanSW at 2008-04-28 20:14:20

4. i will make to try for rms :)
View Tutorial          By: sebo at 2010-05-20 07:38:28

5. thanks for the definition...more power :)
View Tutorial          By: saluki at 2011-07-19 05:36:00

6. It is the same as #include
View Tutorial          By: Ballu at 2011-07-04 06:42:55

7. yes , this article is good & very help ful to
View Tutorial          By: Laxmipriya at 2011-05-02 02:36:36

8. Can you Please send me the code for movable clock
View Tutorial          By: Rajagopal at 2008-09-29 23:10:57

9. Very good examples are given by you on overloading
View Tutorial          By: Ankur Rautela at 2011-11-03 10:22:46

10. My code runs smoothly. I have taken some steps for
View Tutorial          By: Amit Shrivastava at 2015-01-25 13:48:46