import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class DatabaseExample {
public static void main(String[] args) {
try (Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydatabase", "username", "password")) {
try (Statement statement = connection.createStatement()) {
try (ResultSet resultSet = statement.executeQuery("SELECT * FROM employees")) {
while (resultSet.next()) {
int id = resultSet.getInt("id");
String name = resultSet.getString("name");
System.out.println("ID: " + id + ", Name: " + name);
}
}
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
public class HelloController {
@RequestMapping(value = "/hello", method = RequestMethod.GET)
@ResponseBody
public String sayHello() {
return "Hello, World!";
}
}
