多线程访问mysql

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

public class MultiThreadedMySQLExample {

    private static final String DB_URL = "jdbc:mysql://localhost:3306/mydatabase";
    private static final String USER = "username";
    private static final String PASS = "password";

    public static void main(String[] args) {
        for (int i = 0; i < 10; i++) {
            new Thread(new DatabaseTask()).start();
        }
    }

    static class DatabaseTask implements Runnable {
        @Override
        public void run() {
            try (Connection conn = DriverManager.getConnection(DB_URL, USER, PASS)) {
                String sql = "SELECT * FROM mytable WHERE id = ?";
                try (PreparedStatement stmt = conn.prepareStatement(sql)) {
                    stmt.setInt(1, 1);
                    try (ResultSet rs = stmt.executeQuery()) {
                        while (rs.next()) {
                            System.out.println(rs.getString("name"));
                        }
                    }
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}