DIP Problem

D_DependencyInversionProblem.java

public class D_DependencyInversionProblem {

    @AllArgsConstructor
    private static class AuthenticateLogin {

        public boolean login(User user){
            AuthenticationLinkedin authentication = new AuthenticationLinkedin();
            return authentication.login(user);
        }
    }

    private static class AuthenticationLinkedin  {
        public boolean login(User user) {
            //autêntica o login com o Oauth Linkedin.
        }
    }
}