자바스터디 5주차 (2) [스터디관리 프로그램 구현]

2021.06.11 - [Study/Java Study] - [자바스터디] 5주차 (1) [객체지향으로 스터디관리 프로그램 만들기] - 조건 (흐름)

[자바스터디] 5주차 (1) [객체지향으로 스터디관리 프로그램 만들기] - 조건 (흐름)

StudyVO.java

package StudyProgram;

public class StudyVO {
	private String memberCode; // 회원번호
	private String memberName; // 회원이름
	private String joinDate; // 가입날짜
	private int deposit; // 보증금
	
	private String studyDate; // 스터디날짜
	private String chapter; // 챕터정리
	private String task; // 과제
	private String chk1; // 중간점검
	private String chk2; // 최종점검
	
	private int fine; // 벌금
	private int balance; // 잔액
	
	public String getMemberCode() {
		return memberCode;
	}
	public void setMemberCode(String memberCode) {
		this.memberCode = memberCode;
	}
	public String getMemberName() {
		return memberName;
	}
	public void setMemberName(String memberName) {
		this.memberName = memberName;
	}
	public String getJoinDate() {
		return joinDate;
	}
	public void setJoinDate(String joinDate) {
		this.joinDate = joinDate;
	}
	public int getDeposit() {
		return deposit;
	}
	public void setDeposit(int deposit) {
		this.deposit = deposit;
	}
	public String getStudyDate() {
		return studyDate;
	}
	public void setStudyDate(String studyDate) {
		this.studyDate = studyDate;
	}
	public String getChapter() {
		return chapter;
	}
	public void setChapter(String chapter) {
		this.chapter = chapter;
	}
	public String getTask() {
		return task;
	}
	public void setTask(String task) {
		this.task = task;
	}
	public String getChk1() {
		return chk1;
	}
	public void setChk1(String chk1) {
		this.chk1 = chk1;
	}
	public String getChk2() {
		return chk2;
	}
	public void setChk2(String chk2) {
		this.chk2 = chk2;
	}
	public int getFine() {
		return fine;
	}
	public void setFine(int fine) {
		this.fine = fine;
	}
	public int getBalance() {
		return balance;
	}
	public void setBalance(int balance) {
		this.balance = balance;
	}
	
	@Override
	public String toString() {
		return "StudyVO [memberCode=" + memberCode + ", memberName=" + memberName + ", joinDate=" + joinDate
				+ ", deposit=" + deposit + ", studyDate=" + studyDate + ", chapter=" + chapter + ", task=" + task
				+ ", chk1=" + chk1 + ", chk2=" + chk2 + ", fine=" + fine + ", balance=" + balance + "]";
	}

	
}

StudyInfo.java

package StudyProgram;

public interface StudyInfo {
	
	public void joinStudy(StudyVO[] std);
	public void inputStudy(StudyVO[] std);
	public void updateStudy(StudyVO[] std);
	public void deleteStudy(StudyVO[] std);
	public void outputFine(StudyVO[] std);
	public void outputStudy(StudyVO[] std);
	
}

StudyInfoIm.java

package StudyProgram;

import java.util.Scanner;

public class StudyInfoIm implements StudyInfo {

	Scanner scan = new Scanner(System.in);

	static int cnt = 0;
	static String deleteMem = "del";

	@Override
	public void joinStudy(StudyVO[] std) {

		System.out.println(">>가입<<");
		System.out.print("회원번호 : ");
		String memberCode = scan.nextLine();

		if (cnt > 0) {
			for (int i = 0; i < cnt; i++) {

				if (std[i].getMemberCode().equals(memberCode)) {
					System.out.println("중복회원!!!!");
					return;
				}
			}
		}
		std[cnt].setMemberCode(memberCode);

		System.out.print("회원이름 : ");
		String memberName = scan.nextLine();
		std[cnt].setMemberName(memberName);

		System.out.print("보증금 : ");
		int deposit = scan.nextInt();
		std[cnt].setDeposit(deposit);
		scan.nextLine();

		System.out.print("가입날짜 : ");
		String joinDate = scan.nextLine();
		std[cnt].setJoinDate(joinDate);

		cnt++;
		System.out.println(">>>가입완료.");
		System.out.println();
	}

	@Override
	public void inputStudy(StudyVO[] std) {

		System.out.println(">>정보입력<<");
		System.out.print("회원번호 : ");
		String memberCode = scan.nextLine();

		if (cnt > 0) {
			for (int i = 0; i <= cnt; i++) {

				if (std[i].getMemberCode().equals(memberCode)) {

					System.out.println("회원번호 : " + std[i].getMemberCode());

					System.out.print("스터디날짜 : ");
					String studyDate = scan.nextLine();
					std[i].setStudyDate(studyDate);

					System.out.print("챕터정리 : ");
					String chapter = scan.nextLine();
					std[i].setChapter(chapter);

					System.out.print("과제 :");
					String task = scan.nextLine();
					std[i].setTask(task);

					System.out.print("중간점검 :");
					String chk1 = scan.nextLine();
					std[i].setChk1(chk1);

					System.out.print("최종점검 :");
					String chk2 = scan.nextLine();
					std[i].setChk2(chk2);
					System.out.println();
					return;

				} 

			}
		} else {
			System.out.println();
			System.out.println("가입을 먼저해주세요.");
			System.out.println();
		}

	}

	@Override
	public void updateStudy(StudyVO[] std) {

		System.out.println(">>정보수정<<");
		System.out.print("회원번호 : ");
		String memberCode = scan.nextLine();

		if (cnt > 0) {
			for (int i = 0; i <= cnt; i++) {

				if (std[i].getMemberCode().equals(memberCode)) {

					System.out.println("회원번호 : " + std[i].getMemberCode());

					System.out.print("스터디날짜 : ");
					String studyDate = scan.nextLine();
					std[i].setStudyDate(studyDate);

					System.out.print("챕터정리 : ");
					String chapter = scan.nextLine();
					std[i].setChapter(chapter);

					System.out.print("과제 :");
					String task = scan.nextLine();
					std[i].setTask(task);

					System.out.print("중간점검 :");
					String chk1 = scan.nextLine();
					std[i].setChk1(chk1);

					System.out.print("최종점검 :");
					String chk2 = scan.nextLine();
					std[i].setChk2(chk2);
					System.out.println();
					return;

				}

			}
		} else {
			System.out.println();
			System.out.println("가입을 먼저해주세요.\n");
		}
	}

	public void fineChk(StudyVO[] std) {

		String x = "x";
		int fine = 2500;
		int totFine = 0;

		if (cnt > 0) {
			for (int i = 0; i < cnt; i++) {

				if (x.equals(std[i].getChapter())) {
					totFine += fine;
				}

				if (x.equals(std[i].getTask())) {
					totFine += fine;
				}

				if (x.equals(std[i].getChk1())) {
					totFine += fine;
				}

				if (x.equals(std[i].getChk2())) {
					totFine += fine;
				}

				std[i].setFine(totFine);
				std[i].setBalance(std[i].getDeposit() - std[i].getFine());
				totFine = 0;
			}

		}

	}

	@Override
	public void deleteStudy(StudyVO[] std) {

		System.out.println(">>탈퇴<<");
		System.out.print("회원번호 : ");
		String memberCode = scan.nextLine();

		if (cnt > 0) {
			for (int i = 0; i < cnt; i++) {

				if (std[i].getMemberCode().equals(memberCode)) {
					std[i].setMemberCode(deleteMem);
				}
			}
		}
	}

	@Override
	public void outputFine(StudyVO[] std) {
		for (int i = 0; i < cnt; i++) {
			if (std[i].getFine() == 0) {

			} else {
				System.out.printf("%4s  %5s  %7s  %5d", std[i].getMemberCode(), std[i].getMemberName(),
						std[i].getStudyDate(), std[i].getFine());
				System.out.println("\n-------------------------------");

			}
		}
	}

	@Override
	public void outputStudy(StudyVO[] std) {
		for (int i = 0; i < cnt; i++) {
			if (deleteMem.equals(std[i].getMemberCode())) {

			} else {
				System.out.printf("%5s  %5s  %6d  %6s  %6s  %6s  %6s  %6s   %5d %5d", std[i].getMemberCode(),
						std[i].getMemberName(), std[i].getDeposit(), std[i].getStudyDate(), std[i].getChapter(),
						std[i].getTask(), std[i].getChk1(), std[i].getChk2(), std[i].getFine(), std[i].getBalance());
				System.out.println("\n----------------------------------------------------------------------------");
			}
		}

	}

}

StudyMain.java

package StudyProgram;

import java.util.Scanner;

public class StudyMain {
	final static int SIZE = 100;

	public static void main(String[] args) {

		StudyInfoIm info = new StudyInfoIm();
		StudyVO std[] = new StudyVO[SIZE];

		int menu;

		while (true) {

			menu();

			Scanner scan = new Scanner(System.in);

			System.out.print("메뉴 선택 :");
			menu = scan.nextInt();
			System.out.println();

			switch (menu) {
			case 1:
				join(info, std);
				break;
			case 2:
				input(info, std);
				break;
			case 3:
				update(info, std);
				break;
			case 4:
				delete(info, std);
				break;
			case 5:
				outputFine(info, std);
				break;
			case 6:
				outputStudy(info, std);
				break;
			default:
				System.out.println("메뉴를 다시 선택하세요!!!\n");
			}
		}

	}

	static void menu() {
		System.out.println("메뉴");
		System.out.println(" 1.스터디가입");
		System.out.println(" 2.정보입력");
		System.out.println(" 3.정보수정");
		System.out.println(" 4.스터디탈퇴");
		System.out.println(" 5.벌금현황");
		System.out.println(" 6.스터디현황");
		System.out.println(" 7.종료");
		System.out.println();
	}

	static void join(StudyInfoIm info, StudyVO[] std) {
		std[info.cnt] = new StudyVO();
		info.joinStudy(std);
	}

	static void input(StudyInfoIm info, StudyVO[] std) {
		info.inputStudy(std);
		info.fineChk(std);
	}

	static void update(StudyInfoIm info, StudyVO[] std) {
		info.updateStudy(std);
		info.fineChk(std);
	}

	static void delete(StudyInfoIm info, StudyVO[] std) {
		info.deleteStudy(std);
	}

	static void outputFine(StudyInfoIm info, StudyVO[] std) {
		int totFine = 0;
		int noFineCnt = 0;
		System.out.println("===============================");
		System.out.println("            벌금내역");
		System.out.println("===============================");
		System.out.println("회원번호 | 회원이름 | 스터디날짜 | 벌금");
		System.out.println("-------------------------------");
		info.outputFine(std);
		for (int i = 0; i < info.cnt; i++) {
			if (std[i].getFine() == 0) {
				noFineCnt++;
			}else {
				totFine += std[i].getFine();				
			}
		}
		System.out.printf("총 인원 : %s 총 벌금 : %4d", info.cnt - noFineCnt, totFine);
		System.out.println();
	}

	static void outputStudy(StudyInfoIm info, StudyVO[] std) {

		int totDeposit = 0;
		int totFine = 0;
		int totBalance = 0;

		System.out.println("============================================================================");
		System.out.println("                                 스터디관리");
		System.out.println("============================================================================");
		System.out.println("회원번호 | 회원이름 | 보증금 | 스터디날짜 | 챕터정리 | 과제 | 중간점검 | 최종점검 | 벌금 | 잔액");
		System.out.println("----------------------------------------------------------------------------");
		info.outputStudy(std);
		for (int i = 0; i < info.cnt; i++) {

			totDeposit += std[i].getDeposit();
			totFine += std[i].getFine();
			totBalance += std[i].getBalance();

		}
		System.out.printf("\t\t 총 보증금 : %4d 총 벌금 : %4d 총 잔액 : %4d", totDeposit, totFine, totBalance);
		System.out.println();
	}
}