[JAVA] Generic & Vector를 이용한 성적 출력 프로그램(GUI)

package pack02;
 
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Iterator;
import java.util.Scanner;
import java.util.Vector;
 
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTextField;
 
class Name {
    String name;
 
    public void setName(String name) {
        this.name = name;
    }
    public String getName() {
        return name;
    }
}
 
class Score {
    int score;
 
    public void setScore(int score) {
        this.score = score;
    }
    public int getScore() {
        return score;
    }
}
 
class Manager {
    Name name = new Name();
    //Score score = new Score();
    Score kor = new Score();
    Score math = new Score();
    Score eng = new Score();
 
    int sum;
    float avr;
 
    public Manager(String name, int kor, int math, int eng) {
        // TODO Auto-generated constructor stub
        this.name.setName(name);
        this.kor.setScore(kor);
        this.math.setScore(math);;
        this.eng.setScore(eng);;
    }
    public void setName(String name) {
        this.name.setName(name);
    }
    public String getName() {
        return this.name.getName();
    }
    public void setKor(int score) {
        this.kor.setScore(score);
    }
    public int getKor() {
        return this.kor.getScore();
    }
    public void setMath(int score) {
        this.math.setScore(score);
    }
    public int getMath() {
        return this.math.getScore();
    }
    public void setEng(int score) {
        this.eng.setScore(score);
    }
    public int getEng() {
        return this.eng.getScore();
    }
    public int getSum() {
        return sum = kor.getScore() + eng.getScore() + math.getScore();
    }
    public float getAvr() {
        return sum/3f;
    }
    @Override
    public String toString() {
        return "이름 : "+getName()+" 국어 : "+getKor()+" 영어 : "+getEng()+" 수학 : "+getMath() + "\n" + " 총점 : "+getSum()+" 평균 : "+getAvr()+"\n";
    }
}
 
public class GenericStudyGrade {
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        //이름 국어 영어 수학 총점 평균
        //입력 = 학생수50
        //한 사람씩 입력
        //출력 = 전체 출력
        //검색 & 성적(ex 80점 그이상만 출력 성적 순 정렬해서)
        //삭제
        JFrame jframe = new JFrame();
        jframe.setBounds(50, 50, 500, 300);
        jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jframe.setVisible(true);
 
        JPanel jpanel = new JPanel();
        jframe.add(jpanel);
        jpanel.setLayout(null);
 
        JTextField tf = new JTextField();
        jpanel.add(tf);
        tf.setSize(300, 30);
        tf.setLocation(5, 5);
 
        JTextArea ta = new JTextArea();
        jpanel.add(ta);
        ta.setSize(300, 200);
        ta.setLocation(5, 50);
        ta.setText("입력 시 : 이름, 국어, 수학, 영어" + "\n" + "검색과 수정, 삭제할 시 이름을 입력하세요" + "\n");
 
        JButton btn1 = new JButton("입력");
        jpanel.add(btn1);
        btn1.setBounds(350, 20, 100, 30);
 
        JButton btn2 = new JButton("출력");
        jpanel.add(btn2);
        btn2.setBounds(350, 60, 100, 30);
 
        JButton btn3 = new JButton("검색");
        jpanel.add(btn3);
        btn3.setBounds(350, 100, 100, 30);
 
        JButton btn4 = new JButton("수정");
        jpanel.add(btn4);
        btn4.setBounds(350, 140, 100, 30);
 
        JButton btn5 = new JButton("삭제");
        jpanel.add(btn5);
        btn5.setBounds(350, 180, 100, 30);
 
        JButton btn6 = new JButton("종료");
        jpanel.add(btn6);
        btn6.setBounds(350, 220, 100, 30);
 
        Vector<Manager> list = new Vector<Manager>();
 
        btn1.addActionListener(new ActionListener() {
 
            @Override
            public void actionPerformed(ActionEvent arg0) {
                // TODO Auto-generated method stub    
 
                String[] temp = tf.getText().split(" ");
                int kor = Integer.parseInt(temp[1]);
                int math = Integer.parseInt(temp[2]);
                int eng = Integer.parseInt(temp[3]);
 
                list.add(new Manager(temp[0], kor, math, eng));
                ta.append(tf.getText() + "\n");
            }
        });
 
        btn2.addActionListener(new ActionListener() {
 
            @Override
            public void actionPerformed(ActionEvent arg0) {
                // TODO Auto-generated method stub
 
                for (int i = 0; i < list.size(); i++) {
                    ta.append(list.get(i).toString() + "\n");
                }
            }
        });
 
        btn3.addActionListener(new ActionListener() {
 
            @Override
            public void actionPerformed(ActionEvent arg0) {
                // TODO Auto-generated method stub
 
                String name = tf.getText(); //TextField.getText()
                Iterator<Manager> it = list.iterator();
                while (it.hasNext()) {
                    Manager temp = it.next();
                    if (temp.getName().equals(name)) {
                        ta.setText(temp.toString() + "\n");
                    }    
                }
            }
        });
 
        btn4.addActionListener(new ActionListener() {
 
            @Override
            public void actionPerformed(ActionEvent arg0) {
                // TODO Auto-generated method stub
 
                String[] name1 = tf.getText().split(" ");
                int kor = Integer.parseInt(name1[1]);
                int math = Integer.parseInt(name1[2]);
                int eng = Integer.parseInt(name1[3]);
                Iterator<Manager> it1 = list.iterator();
                while (it1.hasNext()) {
                    Manager temp = it1.next();
                    if (temp.getName().equals(name1[0])) {
                        temp.setKor(kor);
                        temp.setMath(math);
                        temp.setEng(eng);
                    }    
                }
        
            }
        });
 
        btn5.addActionListener(new ActionListener() {
 
            @Override
            public void actionPerformed(ActionEvent arg0) {
                // TODO Auto-generated method stub
                int num = 0;
                String name2 = tf.getText();
                Iterator<Manager> it2 = list.iterator();
                while (it2.hasNext()) {
                    Manager temp = it2.next();
                    if (temp.getName().equals(name2)) {
                        list.remove(num);
                    }
                    num++;
                }
            }
        });
 
        btn6.addActionListener(new ActionListener() {
 
            @Override
            public void actionPerformed(ActionEvent arg0) {
                // TODO Auto-generated method stub
                System.exit(0);
            }
        });
 
        Scanner sc = new Scanner(System.in);
 
        while (true) {
            System.out.println("1.입력 2.출력 3.검색 4.수정  5.삭제 6.종료");
            switch (sc.nextInt()) {
            case 1:
                System.out.println("이름, 국어, 수학, 영어");
                list.add(new Manager( sc.next(), sc.nextInt(), sc.nextInt(), sc.nextInt()));
                break;
 
            case 2:
                for (int i = 0; i < list.size(); i++) {
                    System.out.println(list.get(i).toString());
                }
                break;
 
            case 3:
                System.out.println("검색할 이름");
                String name = sc.next();
                Iterator<Manager> it = list.iterator();
                while (it.hasNext()) {
                    Manager temp = it.next();
                    if (temp.getName().equals(name)) {
                        System.out.println(temp);
                    }    
                }
                break;
 
            case 4:
                System.out.println("수정할 이름");
                String name1 = sc.next();
                Iterator<Manager> it1 = list.iterator();
                while (it1.hasNext()) {
                    Manager temp = it1.next();
                    if (temp.getName().equals(name1)) {
                        System.out.println("1.국어수정 2.수학수정 3.영어수정");
                        int n = sc.nextInt();
                        switch (n) {
                        case 1:
                            temp.setKor(sc.nextInt());
                            break;
                        case 2:
                            temp.setMath(sc.nextInt());
                            break;
                        case 3:
                            temp.setEng(sc.nextInt());
                            break;
                        }
                    }    
                }
                break;
            case 5:
                int num = 0;
                System.out.println("삭제할 이름");
                String name2 = sc.next();
                Iterator<Manager> it2 = list.iterator();
                while (it2.hasNext()) {
                    Manager temp = it2.next();
                    if (temp.getName().equals(name2)) {
                        list.remove(num);
                    }    
                    num++;
                }
                break;
 
            case 6:
                System.out.println("종료합니다");
                return;
            }
        }
    }
}