import java.sql.*;
import java.io.*;

class testcon
{
public static void main(String a[]) throws Exception
{
try {
Class.forName ("oracle.jdbc.driver.OracleDriver");
System.out.println("Driver loaded");
} catch (ClassNotFoundException e) {

System.out.println("Driver not loaded");
e.printStackTrace();

}

try
{
String url = "jdbc:oracle:thin:@localhost:1521:????";
Connection myConnection = DriverManager.getConnection(url, "scott", "tiger");
System.out.println("Connected");
}
catch(Exception e)
{System.out.println("Connection not established");
e.printStackTrace();}

}
}

what should i put in '???' place in string url
from where shall i get that name?

: import java.sql.*;
: import java.io.*;
:
: class testcon
: {
: public static void main(String a[]) throws Exception
: {
: try {
: Class.forName ("oracle.jdbc.driver.OracleDriver");
: System.out.println("Driver loaded");
: } catch (ClassNotFoundException e) {
:
: System.out.println("Driver not loaded");
: e.printStackTrace();
:
: }
:
: try
: {
: String url = "jdbc:oracle:thin:@localhost:1521:????";
: Connection myConnection = DriverManager.getConnection(url, "scott", "tiger");
: System.out.println("Connected");
: }
: catch(Exception e)
: {System.out.println("Connection not established");
: e.printStackTrace();}
:
: }
: }
:
: what should i put in '???' place in string url
: from where shall i get that name?
:
: Generally 'orcl' will be exist but if have changed the service name while installing oracle then we need to specify that name.
:
:
:
: