how can you retrive information from database by using hashmap/arraylist ,plz

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

Question Posted / jawahar

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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
}
}

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