how can you retrive information from database by using
hashmap/arraylist ,plz explain with example briefly?



how can you retrive information from database by using hashmap/arraylist ,plz explain with example..

Answer / none

import java.util.*;
import java.sql.*;

public class Jdbc
{
public static void main(String[] a)
{
Connection conn=null;
try
{
String s1="Driver name for registration";
Class.forname(s1);
String url="Driver Port No name";
String username="Database Username";
String password="Database password";

conn=Drivermanager.getConnection(url,username,password);
String sql="SELECT name,address FROM tb"
Statement stmt=conn.createStatement(sql);
Resultset rs=stmt.executeQuery();

ArrayList al=new List();
while(rs.hasnext())
{
al.add(index,rs.getString());
}
rs.close();
stmt.close();
conn.close();
}
//handle Exceptions
}
}

Is This Answer Correct ?    8 Yes 4 No

Post New Answer

More Core Java Interview Questions

What is character in data type?

0 Answers  


What are peerless components in java programming?

0 Answers  


what is jms? features of jms

2 Answers   CTS,


What is sortedmap in java?

0 Answers  


Which api is provided by java for operations on set of objects?

0 Answers  






What is an interface in java?

0 Answers  


Explain the difference between association, aggregation and inheritance relationships.

0 Answers  


What is hashmap in java?

0 Answers  


explain about method overloading and method overriding with difficult examples

4 Answers  


What is meant by Java interpreter?

4 Answers  


How can an object be unreferenced?

0 Answers  


What is reflexive association?

1 Answers   Infogain,


Categories