how can you retrive information from database by using
hashmap/arraylist ,plz explain with example briefly?
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 |
What happens when I use / and % with a negative numerator?
What is parsing a sentence?
How many characters is 2 bytes?
Is list ordered in java?
What is structure of java heap? What is perm gen space in heap?
What is ascii format?
What is string literal in java?
What if I write static public void instead of public static void in java?
What is void in java?
What are dot operator queries?
Name the methods in mouse listeners ?
How do you create a bulleted list?