Java Programmer
Domine os recursos
avançados do Java

import java.sql.*;

public class ConexaoJDBC {
    public static void main(String[] args) throws Exception {
        String url = "jdbc:mysql://localhost:3306/loja";
        try (Connection con = DriverManager.getConnection(url, "root", "senha")) {
            PreparedStatement ps = con.prepareStatement(
                "SELECT nome, preco FROM produtos WHERE preco > ?");
            ps.setDouble(1, 100.0);
            ResultSet rs = ps.executeQuery();
            while (rs.next()) {
                System.out.println(rs.getString("nome") + " - R$" + rs.getDouble("preco"));
            }
        }
    }
}