无法使用JAVA将数据保存到MYSQL数据库中

try {
    Class.forName("com.mysql.cj.jdbc.Driver");
} catch (ClassNotFoundException e) {
    e.printStackTrace();
}

String url = "jdbc:mysql://localhost:3306/your_database_name?useSSL=false&serverTimezone=UTC";
String user = "your_username";
String password = "your_password";

String sql = "INSERT INTO your_table (column1, column2) VALUES (?, ?)";
try (PreparedStatement pstmt = connection.prepareStatement(sql)) {
    pstmt.setString(1, "value1");
    pstmt.setString(2, "value2");
    pstmt.executeUpdate();
} catch (SQLException e) {
    e.printStackTrace();
}

GRANT INSERT ON your_database_name.your_table TO 'your_username'@'localhost';

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class JdbcExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/your_database_name?useSSL=false&serverTimezone=UTC";
        String user = "your_username";
        String password = "your_password";

        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
            try (Connection connection = DriverManager.getConnection(url, user, password)) {
                String sql = "INSERT INTO your_table (column1, column2) VALUES (?, ?)";
                try (PreparedStatement pstmt = connection.prepareStatement(sql)) {
                    pstmt.setString(1, "value1");
                    pstmt.setString(2, "value2");
                    pstmt.executeUpdate();
                    System.out.println("Data inserted successfully!");
                }
            }
        } catch (ClassNotFoundException e) {
            System.err.println("MySQL JDBC Driver not found!");
            e.printStackTrace();
        } catch (SQLException e) {
            System.err.println("Connection Failed! Check output console");
            e.printStackTrace();
        }
    }
}