public void join() throws Exception{
		System.out.println("[ȸ  Է]");

		Member newmem = new Member();
		scan.nextLine();  // ڹ Scanner  ʿ ๮ڸ ϱ  ӽ÷  ڵ
		int inputcomplete=0;
		String newID;
		do{
			System.out.println("***********************************");
			System.out.print("л ̵(й):");
			newID = scan.next();

			//̵ 7ڸ ̾ Ѵ.޽ϱ
			do{
				if(newID.length() != 7)
				{
					System.out.println("ڽ 7ڸ  й Էּ.");
					System.out.print("л ̵(й):");
					newID = scan.next();
				}
				else
					inputcomplete =1;
			}while(inputcomplete ==0);
			//̵Է  ߺȮ
			inputcomplete = 0;
			//Էid ִ̹ idų 缭id 0000123 
			if((membercollect.getequal(newID)==1) || (newID.equals("0000123") != TRUE)){
				System.out.println("̹  ̵Դϴ.");
			}
			else{
				System.out.println("Ҽ ִ ̵Դϴ.");
				newmem.setID(newID);
				inputcomplete =1;
			}

		}while(inputcomplete ==0);

		inputcomplete = 0;
		String newpassword;
		do{
			System.out.print("н:");
			scan.nextLine(); 
			newpassword = scan.next();

			if(newpassword.length() < 8)
				//8 ̻ н带 ԷؾѴ.
				System.out.println("8 ̻ н带 Էּ.");
			else
				inputcomplete = 1;
		}while(inputcomplete == 0);

		inputcomplete = 0;
		do{
			//н带 2 Է¹޾   ġϴ ȮѴ.
			System.out.print("н Ȯ:");
			String againpassword = scan.next();

			if(againpassword.equals(newpassword)){
				newmem.setpassword(newpassword);
				inputcomplete = 1;
			}
			else
				//  ġ   ʴ´ٸ 
				System.out.println("н尡 ġ ʽϴ. ٽ Ȯϰ Էּ.");
		}while(inputcomplete ==0);

		inputcomplete = 0;
		do{
			System.out.print("̸:");
			String newname = scan.next();
			//  ̸ ԷµǾ 
			if(newname.length() < 2)
				System.out.println("  ̻ Էּ.");
			else{
				newmem.setname(newname);
				inputcomplete = 1;
			}
		}while(inputcomplete == 0);

		inputcomplete = 0;
		do{
			System.out.print("а:");
			String newmajor = scan.next();
			//а Է   ̻̾ Ѵ.
			if(newmajor.length() < 2)
				System.out.println("  ̻ Էּ.");
			else{
				newmem.setmajor(newmajor);
				inputcomplete =1;
			}
		}while(inputcomplete == 0);

		membercollect.addmem(newmem);
		System.out.println("***********************************");
		System.out.println("α");
		login();

	}