// Filename: DatabaseExample.java
import java.sql.*;

public class DatabaseExample {
public static void main(String[] args) {
// Database credentials
String url = "jdbc:mysql://localhost:3306/database_name";
String username = "username";
String password = "password";

try (Connection conn = DriverManager.getConnection(url, username, password)) {
// Example query to select data
String sql = "SELECT id, firstname, lastname FROM users";
try (Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(sql)) {
while (rs.next()) {
int id = rs.getInt("id"); String firstname = rs.getString("firstname");
String lastname = rs.getString("lastname");
System.out.println("ID: " + id + ", Name: " + firstname + " " + lastname);
}
} catch (SQLException e) {
System.out.println("Error executing query!");
e.printStackTrace();
}
} catch (SQLException e) {
System.out.println("Connection failed!");
e.printStackTrace();
}
}
}