class memberlogin { String loginid; int password; //방법1 public void logging(String loginid, int password) { if (loginid.equals("backcoder")) { if (password == 3123) { System.out.println("Succeed login"); } else { System.out.println("Wrong Password"); } } else { System.out.println("Wrong id"); } } //방법2 public void logging2(String id, int pw) { if (id.equals("skystom2") && pw == 3123) { System.ou..