JAVA study 19

objStream

package ex1_objStream;

import java.io.Serializable;

//implements Serializable을 통해 메모리에 흩어져있던 멤버변수들을 한번에 
//쓰고 받을 수 있도록 새로운 영역에 일렬로 만들어 복사해둔다 (직렬화)
public class RspInfo implements Serializable {
	private int win, lose, draw;
	private String id;

	public int getWin() {
		return win;
	}

	public void setWin(int win) {
		this.win = win;
	}

	public int getLose() {
		return lose;
	}

	public void setLose(int lose) {
		this.lose = lose;
	}

	public int getDraw() {
		return draw;
	}

	public void setDraw(int draw) {
		this.draw = draw;
	}

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}

}

 

--

package ex1_objStream;

import java.util.Random;
import java.util.Scanner;

public class RspMain {
	public static void main(String[] args) {
		// id : aaa
		// 0승 0무 0패
		// 가위(s) | 바위(r) | 보(p)
		// 당신이 이겼습니다
		// 1승 0무 0패
		// 다시한판? y | n
		// 게임종료

		Scanner sc = new Scanner(System.in);
		Random rnd = new Random();
		RspInfo rinfo = new RspInfo();

		System.out.print("id : ");
		String id = sc.next();

		rinfo.setId(id);

		// 로드
		ScoreLoader sl = new ScoreLoader(rinfo);
		rinfo = sl.info;
		int win = 0;
		int draw = 0;
		int lose = 0;

		win = rinfo.getWin();
		draw = rinfo.getDraw();
		lose = rinfo.getLose();

		System.out.printf("%d승 %d무 %d패\n", rinfo.getWin(), rinfo.getDraw(), rinfo.getLose());

		while (true) {

			int random = rnd.nextInt(3);
			// 0:가위, 1:바위, 2:보
			System.out.println("가위(s) | 바위(r) | 보(p)");
			String user = sc.next();
			int usercnt = 0;

			if (user.equals("s")) {
				usercnt = 0;
			} else if (user.equals("r")) {
				usercnt = 1;
			} else if (user.equals("p")) {
				usercnt = 2;
			}

			// 경우의 수
			if (usercnt - random == -2 || usercnt - random == 1) {
				System.out.println("이겼습니다");
				rinfo.setWin(++win);
			} else if (usercnt - random == 0) {
				System.out.println("비겼습니다");
				rinfo.setDraw(++draw);
			} else {
				System.out.println("졌습니다");
				rinfo.setLose(++lose);
			}

			System.out.printf("%d승 %d무 %d패\n", rinfo.getWin(), rinfo.getDraw(), rinfo.getLose());

			System.out.println("한판 더 ? y | n : ");

			if (!sc.next().equals("y")) {
				break;
			}

		} // while

		// 게임이 정상적으로 끝나면 user별 기록을 저장
		new ScoreWriter(rinfo);

	}// main
}

 

--

package ex1_objStream;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;

public class ScoreWriter {

	RspInfo info;

	public ScoreWriter(RspInfo info) {
		this.info = info;
		save();
	}

	private void save() {
		String path = "C:/java_kms/RspGame/" + info.getId() + "/UserInfo.sav";
		File f1 = new File("C:/java_kms/RspGame/" + info.getId());

		if (!f1.exists()) {
			f1.mkdirs();
		}

		// 파일쓰키
		// ObjectStream은 클래스를 저장하기 위한 스트림
		ObjectOutputStream oos = null;
		FileOutputStream fos = null;

		try {
			fos = new FileOutputStream(path);
			oos = new ObjectOutputStream(fos);

			oos.writeObject(info);
			System.out.println("기록저장");
		} catch (Exception e) {
			System.out.println("저장실패");
			e.printStackTrace();

		} finally {
			try {
				oos.close();
				fos.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}

--

package ex1_objStream;

import java.io.File;
import java.io.FileInputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;

public class ScoreLoader {

	RspInfo info;

	public ScoreLoader(RspInfo info) {
		this.info = info;
		info = new RspInfo();
		load();
	}

	private void load() {

		String path = "C:/java_kms/RspGame/" + info.getId() + "/UserInfo.sav";
		File f = new File(path);

		if (f.exists()) {

			FileInputStream fis = null;
			ObjectInputStream ois = null;

			try {
				fis = new FileInputStream(f);
				ois = new ObjectInputStream(fis);

				info = (RspInfo) ois.readObject();

				System.out.println("로드성공");

			} catch (Exception e) {
				System.out.println("로드실패");
				e.printStackTrace();
			} finally {
				try {
					ois.close();
					fis.close();
				} catch (Exception e2) {
				}
			}

		} else {
			System.out.println("새로운 회원");
		}
	}
}

 

frame

package ex2_frame;

import java.awt.Frame;

public class Ex1_Frame {
	public static void main(String[] args) {

		Frame f = new Frame("나는 제목입니다.");
		f.setSize(400, 400);
		f.setLocation(800, 100);

		f.setVisible(true);

	}// main
}

--

package ex2_frame;

import java.awt.Color;
import java.awt.Frame;

public class FrameMain {
	public static void main(String[] args) {

		MyFrame f1 = new MyFrame();
		f1.setTitle("f1의 타이틀");
		f1.setBackground(Color.CYAN);
		
		MyFrame f2 = new MyFrame();
		f2.setTitle("f2의 타이틀");
		f2.setBackground(Color.YELLOW);
		
	}// mainR
}

--

package ex2_frame;

import java.awt.Frame;

public class MyFrame extends Frame {
	public MyFrame() {
//		setSize(400, 400);
//		setLocation(500, 200);

		// size와 location 한번에
		setBounds(500, 200, 400, 400);

		setVisible(true);

	}
}

 

window_listener

package ex3_window_listener;

import java.awt.Frame;

public class FrameMain {
	public static void main(String[] args) {

		Frame f = new Frame();
		f.setBounds(400, 200, 300, 200);
		
		//frame에서 감지자 등록
		
	}// main
}