import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
public class Main {
public static void main(String[] args) throws Exception {
Class.forName("com.mysql.jdbc.Driver");
Connection connection = DriverManager.getConnection("jdbc:mysql://localhost/book", "root", "");
PreparedStatement ps = connection.prepareStatement("UPDATE books SET title = ? WHERE id = ?");
ps.setString(1, "Java");
ps.setInt(2, 1);
int rows = ps.executeUpdate();
System.out.printf("%d row(s) updated!", rows);
connection.close();
}
}