public class Greeting {
    String name = "EunChang Choi";
    String role = "Backend Engineer";
    String email = "best.dev.choi@gmail.com";

    Tech.set("Java","Spring","SQL","React","AWS","Docker");

    Link.put(
        "Velog",    "https://velog.io/@cod0216",
        "Tistory",  "https://ec-choi.tistory.com",
        "LinkedIn", "https://www.linkedin.com/in/eunchang-choi-639015379"
    );
}