import java.sql.*;
import javax.sql.*;
import javax.naming.*;
public class JdbcExample {
public static void main(String[] args) {
try {
Context ctx = new InitialContext();
DataSource ds = (DataSource) ctx.lookup("jdbc/mydatabase");
Connection conn = ds.getConnection();
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM mytable");
while (rs.next()) {
int id = rs.getInt("id");
String name = rs.getString("name");
System.out.println("id: " + id + ", name: " + name);
}
rs.close();
stmt.close();
conn.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
