java判断mysql为空

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

public class MySQLIsEmptyExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/your_database";
        String user = "your_username";
        String password = "your_password";
        String tableName = "your_table_name";

        try (Connection conn = DriverManager.getConnection(url, user, password);
             Statement stmt = conn.createStatement()) {

            String sql = "SELECT COUNT(*) FROM " + tableName;
            ResultSet rs = stmt.executeQuery(sql);

            if (rs.next()) {
                int count = rs.getInt(1);
                if (count == 0) {
                    System.out.println("表 " + tableName + " 是空的。");
                } else {
                    System.out.println("表 " + tableName + " 不是空的。");
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}