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

public class OceanBaseChangeDatabaseExample {

    public static void main(String[] args) {
        // 配置原数据库连接信息
        String originalUrl = "jdbc:oceanbase://your_oceanbase_server:your_port/original_database";
        String user = "your_username";
        String password = "your_password";

        // 配置新数据库连接信息
        String newUrl = "jdbc:oceanbase://your_oceanbase_server:your_port/new_database";

        Connection connection = null;
        Statement statement = null;

        try {
            // 加载驱动程序
            Class.forName("com.mysql.cj.jdbc.Driver");

            // 建立原数据库连接
            connection = DriverManager.getConnection(originalUrl, user, password);

            // 步骤1：创建 Statement 对象
            statement = connection.createStatement();

            // 执行原数据库操作...

            // 关闭原数据库连接
            connection.close();

            // 建立新数据库连接
            connection = DriverManager.getConnection(newUrl, user, password);

            // 步骤2：创建 Statement 对象
            statement = connection.createStatement();

            // 执行新数据库操作...

        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        } finally {
            // 在合适的地方关闭资源
            if (statement != null) {
                try {
                    statement.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }

            if (connection != null) {
                try {
                    connection.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}