2026_0910_AI_5G_Java_MUN/java-cui-em-oop
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15 Commits
a-takayama ... cbbfae71fb

Author SHA1 Message Date
m_ozawa
cbbfae71fb ２日目　段階８　小澤 2026-09-15 16:37:48 +09:00
m_ozawa
0366ab5ac7 ２日目　段階７（余裕がある人向けも）　小澤 2026-09-15 15:58:39 +09:00
m_ozawa
e0c36acb0d ２日目　段階６　小澤 2026-09-15 15:44:07 +09:00
m_ozawa
bb15d0a2c6 ２日目　段階５　小澤 2026-09-15 15:28:56 +09:00
m_ozawa
1abebc37e0 ２日目　段階３　小澤 2026-09-15 15:28:32 +09:00
m_ozawa
a3ddbaed43 2日目　段階２　小澤 2026-09-15 14:02:17 +09:00
m_ozawa
992bd30434 2日目　段階１　小澤 2026-09-15 13:18:13 +09:00
m_ozawa
bbf7ac5628 1日目　段階６　小澤 2026-09-15 13:05:54 +09:00
m_ozawa
9e5eb3c7c5 0914　段階５　小澤 2026-09-14 16:41:08 +09:00
m_ozawa
e36f1ceb03 0914　段階４　小澤 2026-09-14 16:30:29 +09:00
m_ozawa
ffe4c91806 0914　段階３　＜余裕がある人向け＞を追加 2026-09-14 16:22:39 +09:00
m_ozawa
1b2d0829d1 0914 段階３　小澤 2026-09-14 16:07:03 +09:00
m_ozawa
28076595d2 0914　段階２ 2026-09-14 15:09:56 +09:00
m_ozawa
bb6a9dba94 0914　段階1 2026-09-14 15:02:02 +09:00
m_ozawa
8350370dbd 0914 2026-09-14 14:48:29 +09:00
17 changed files with 200 additions and 609 deletions
Expand all files Collapse all files

8
em-oop/src/BaseData.java
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@@ -1,8 +0,0 @@
public abstract class BaseData { //”abstract”classと宣言。
public abstract String toString(); //以下3つの抽象メソッドを宣言　中身無し
public abstract String toCSV();
public abstract String getPrimaryKeyValue();
}

12
em-oop/src/BasicCheck1.java
View File

@@ -3,23 +3,21 @@ public class BasicCheck1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
// Book book = new Book();
// book.title = "吾輩は猫である";
// book.author ="夏目漱石";
// book.price = 800;
Book book1 = new Book();
Book book2 = new Book("銀河鉄道の夜","宮沢賢治",500);
// book.title = "吾輩は猫である";
// book.author = "夏目漱石";
// book.price = 800;
System.out.println(book1.title);
System.out.println(book1.author);
System.out.println(book1.price);
Book book2 = new Book("銀河鉄道の夜","宮沢賢治", 500);
System.out.println(book2.title);
System.out.println(book2.author);
System.out.println(book2.price);
}
}

36
em-oop/src/BasicCheck2.java
View File

@@ -1,37 +1,21 @@
public class BasicCheck2 {
public static void main(String[] args) {
// Student student = new Student(3,"a");
//Student型のstudentを宣言、インスタンスを代入する
Student student1 = new Student(1,"鈴木一郎");
Student student1 = new Student(1, "鈴木一郎");
Student student2 = new Student(2, "田中花子");
Student student3 = new Student(3,"佐藤次郎");
Student student3 = new Student(3, "佐藤次郎");
// student1.studentId = 1;
// student1.name = "鈴木一郎";
// //studentIDに１，nameに鈴木一郎を代入
//
// student2.studentId = 2;
// student2.name ="田中花子";
//
// student3.studentId = 3;
// student3.name ="佐藤次郎";
//
//studentのprintProfileメソッドを呼び出す
student1.printProfile();
student2.printProfile();
student3.printProfile();
Student.getStudentCount();
System.out.println("現在の生徒数："+Student.getStudentCount()+"人");
// student.studentId = 1;
// student.name = "鈴木一郎";
//
// student.printProfile();
}
}
//
//System.out.print("学籍番号"+student.studentId);
//System.out.print("名前:" + student.name);

44
em-oop/src/BasicCheck3.java
View File

@@ -1,53 +1,35 @@
public class BasicCheck3 {
public static void main(String[] args){
public static void main(String[] args) {
Item[] items = new Item[3];
items[0] = new Item();
items[0].setName("ノート");
items[0].setPrice(80);
items[1] = new Item();
items[2] = new Item();
items[0].setName("ノート") ;
items[0].setPrice(120);
items[0].setStock(50);
items[1] = new Item();
items[1].setName("ノート");
items[1].setPrice(120);
items[1].setName("消しゴム");
items[1].setPrice(80);
items[1].setStock(30);
items[2] = new Item();
items[2].setName("ノート");
items[2].setName("鉛筆");
items[2].setPrice(60);
items[2].setStock(100);
for(int i = 0; i < items.length; i++ )
{
for(int i=0;i<3;i++) {
items[i].sell(5);
}
System.out.println("在庫");
for(int i = 0; i < items.length; i ++) {
//items[i]をprintlnに渡すとitemクラスのtoStringが自動で呼ばれる
System.out.println(items[i]);
// System.out.println("商品名" + items[i].name+ "価格" + items[i].price +"在庫" + items[i].stock);
// System.out.println("価格" + items[i].price);
// System.out.println("在庫" + items[i].stock);
// System.out.println("合計金額："+items[i].totalPrice());
}
// Item 0 = new Item("ノート", 120, 50);
}
}

30
em-oop/src/Book.java
View File

@@ -1,24 +1,20 @@
public class Book {
public String title;
public String author;
public int price;
String title;
String author;
int price;
//引数なしコンストラクタ
public Book() {
this.title = "タイトル未設定";
this.author = "著者未設定";
this.price = 0;
// System.out.println("コンストラクタが呼び出されました");
this.title="タイトル未設定";
this.author="著者未設定";
this.price=0;
}
//引数ありコンストラクタ
public Book(String title, String author, int price) {
// System.out.println("引数なしのコンストラクタが呼び出されました");
this.title = title;
this.author = author;
this.price = price;
public Book(String title,String author,int price) {
this.title=title;
this.author=author;
this.price=price;
}
}

21
em-oop/src/Circle.java
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@@ -1,21 +0,0 @@
public class Circle extends Shape { //shapeクラスを継承する
private double radius; //radius: 半径 フィールドradius (double型、private)
public Circle(double radius) { //コンストラクタpub 引数dou/raを受け取る
super("円"); //"円"呼び出し 文字列
this.radius = radius; //radiusフィールドにも引数の値を代入する。
}
public double area() { //Overrideは 子クラスで！
return Math.PI * radius * radius;
}
public void showInfo(){
super.showInfo();
System.out.println("(半径:" + this.radius + ")");
}
}

14
em-oop/src/Day3Check1.java
View File

@@ -1,14 +0,0 @@
public class Day3Check1 {
public static void main(String[] args) {
Circle circle = new Circle(2);
circle.area();
circle.showInfo();
// Rectangle rectangle = new Rectangle(2);
// rectangle.area();
}
}

22
em-oop/src/Day3Check2.java
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@@ -1,22 +0,0 @@
public class Day3Check2 {
public static void main(String[] args) {
//Rect-クラスをもとにrect-のインスタンスつくる
//3,4をRectangleのコンストラクタに渡す
Rectangle rectangle = new Rectangle(3, 4);
//Rect-はShapeを継承しているため親クラスのshowInfoメソッドを使える
rectangle.showInfo();
//JaGrクラスをもとにインスタンスをつくる
//変数の型はGreetingインタフェース型にしている
Greeting greeting = new JapaneseGreeting();
//greeetingのhelloメソッドよびだす
//実際に入っているインスタンスはJaGrなのでJaGrで作ったhello()が実行される
System.out.println(greeting.hello());
}
}

15
em-oop/src/Day3Check3.java
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@@ -1,15 +0,0 @@
public class Day3Check3 {
public static void main(String[] args) {
//Shape型の変数にCircleのインスタンスを代入
Shape shape1 = new Circle(2);
//円の情報を表示
shape1.showInfo();
//Shape型の変数にRectangleのインスタンスを代入
Shape shape2 = new Rectangle(3, 4);
//四角形の情報を表示
shape2.showInfo();
}
}

139
em-oop/src/EmployeeData.java
View File

@@ -1,158 +1,107 @@
public class EmployeeData extends BaseData {
public class EmployeeData {
private String idEmployee;
private String nmEmployee;
private String knEmployee;
private String mailAddress;
private String password;
private String idDepartment;
private static int empCount = 0;
//staticをつけたフィールドはクラス変数：全てのインスタンスで共有される変数
public static int empCount = 0;
static final String COMPANY_NAME = "Rhizome";
// boolean isMatchID = isMatchId(idEmployee);//IdEmployeeが一致するか判断
@Override
public String toCSV(){
return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + ","
+ getMailAddress() +"," + getPassword() +"," + getIdDepartment() + ","; //フィールドの値をゲッターを使ってカンマ区切り、returnする。
public String toString() {
return getIdEmployee() + "\t" + getNmEmployee() + "　" + getKnEmployee() + "\t" + getMailAddress()
+ "\t" + getPassword() + "\t" + getIdDepartment();
}
static int getEmpCount() {
return empCount;
}
//getNmEmployee.strip();
public EmployeeData() {
empCount++;
}
@Override
public String getPrimaryKeyValue() {
return idEmployee;
public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password,
String idDepartment) {
}
nmEmployee=nmEmployee.strip();
int nmNum = nmEmployee.length();
//idEmployee「ID」を取得するgetter
public String getIdEmployee() {
return idEmployee;
}
if(nmNum==0) {
System.out.println("社員名が空のため設定できませんでした");
//idEmployee「ID」を設定するsetter
public void setIdEmployee(String idEmployee) {
if(idEmployee == null || idEmployee.trim().isEmpty()) {
System.out.println("社員IDが空のため設定できませんでした");
return;
}
if(nmNum>0){
this.setIdEmployee(idEmployee);
this.setNmEmployee(nmEmployee);
this.setKnEmployee(knEmployee);
this.setMailAddress(mailAddress);
this.setPassword(password);
this.setIdDepartment(idDepartment);
empCount++;
}
}
public String getIdEmployee() {
return this.idEmployee;
}
public void setIdEmployee(String idEmployee) {
this.idEmployee = idEmployee;
}
//nmEmployee「名前」を取得するgetter
public String getNmEmployee() {
return nmEmployee;
}
//nmEmployee「名前」を設定するsetter
public void setNmEmployee(String nmEmployee) {
// this.nmEmployee = nmEmployee.trim();
if (nmEmployee == null || nmEmployee.trim().isEmpty()) {
System.out.println("社員名が空のため設定できませんでした");
return;
}
this.nmEmployee = nmEmployee;
public void setNmEmployee(String nmEMployee) {
this.nmEmployee = nmEMployee;
}
//getKnEmployee「カタカナの名前」を取得するgetter
public String getKnEmployee() {
return knEmployee;
return this.knEmployee;
}
//getKnEmployee「カタカナの名前」を設定するsetter
public void setKnEmployee(String knEmployee) {
this.knEmployee = knEmployee;
}
//メールアドレスを取得するgetter
public String getMailAddress() {
return mailAddress;
return this.mailAddress;
}
//メールアドレスを設定するsetter
public void setMailAddress(String mailAddress) {
this.mailAddress = mailAddress;
}
//パスワードを取得するgetter
public String getPassword() {
return password;
}
//パスワードを取得するsetter
public void setPassword(String password) {
this.password = password;
}
//IdDepartmentを設定するgetter
public String getIdDepartment() {
return idDepartment;
}
//IdDepartmentを取得するsetter
public void setIdDepartment(String idDepartment) {
this.idDepartment = idDepartment;
}
//メソッド名:isMatchId 引数：String id 戻り値：boolean　ID一致ならtrue,違えばfalse
public boolean isMatchId(String id) {
return this.idEmployee.equals(id);
}
public EmployeeData(String idEmployee, String nmEmployee,
String knEmployee, String mailAddress, String password, String idDepartment) {
this.setIdEmployee(idEmployee); //2d 段階9
// this.idEmployee = idEmployee;
this.setNmEmployee(nmEmployee);
// this.nmEmployee = nmEmployee;
this.setKnEmployee(knEmployee);
// this.knEmployee = knEmployee;
this.setMailAddress(mailAddress);
// this.mailAddress = mailAddress;
this.setPassword(password);
// this.password = password;
this.setIdEmployee(idEmployee);
// this.idDepartment = idDepartment;
empCount++;
}
// public boolean isMatchId(String id) {
//// if(idEmployee equals )
// {
//
// }
//
// }
// public String Employee(String idEmployee) {
// this.idEmployee= idEmployee;
// }
public EmployeeData() {
empCount++;
// TODO 自動生成されたコンストラクター・スタブ
}
public static int getEmpCount() { //empCountの値を返せるようにする
return empCount;
}
// void showinfo() { //showinfo->toStringにメソッド名変更 + アクセス修飾子publicつける
// // this.idEmployee = idEmployee;
// System.out.println(this.idEmployee + "\t" + this.nmEmployee + "\t" + this.knEmployee + "\t" + this.mailAddress
// + "\t" + this.password + "\t" + this.idDepartment);
//
// }
@Override
public String toString() {
return (this.idEmployee + "\t" + this.nmEmployee + "\t" + this.knEmployee + "\t" + this.mailAddress
+ "\t" + this.password + "\t" + this.idDepartment);
}
}

4
em-oop/src/Greeting.java
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@@ -1,4 +0,0 @@
public interface Greeting {
String hello();
}

69
em-oop/src/Item.java
View File

@@ -1,54 +1,43 @@
public class Item {
//フィールドを宣言・外から触れないようにprivate
private String name;
private int price;
private int stock;
//nameを取得するgetter
public String getName() {
return name;
}
//nameを設定するsetter
public void setName(String name) { //item="ノート"はもう使えない。item[0].setName("ノート")にしている
this.name = name;
}
//priceを取得するgetter
public int getPrice() {
return price;
}
//priceを設定するsetter
public void setPrice(int price) {
this.price = price;
}
//stockを取得するgetter
public int getStock() {
return stock;
}
public void setStock(int stock) {
this.stock = stock;
}
// Item(String name, int price, int stock){
// this.name = name;
// this.price = price;
// this.stock = stock;
// }
//売れた数を在庫から引く
public void sell(int amount) {
this.setStock(this.getStock() - amount);
this.setStock(this.getStock()-amount) ;
}
public int totalPrice() {
return this.price*this.stock;
}
//Itemの情報を文字列として返す
@Override
public String toString() {
return getName() + "" + getPrice() + "円(残り" + getStock() + "個)";
return getName()+" "+getPrice()+"円(残り"+getStock()+"個)";
}
public String getName() {
return this.name;
}
public void setName(String name) {
this.name=name;
}
public int getPrice() {
return this.price;
}
public void setPrice(int price) {
this.price=price;
}
public int getStock() {
return this.stock;
}
public void setStock(int stock) {
this.stock=stock;
}
}

13
em-oop/src/JapaneseGreeting.java
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@@ -1,13 +0,0 @@
//JaGrクラスを作る、implements GrによってGreetingインターフェースを実装する
public class JapaneseGreeting implements Greeting {
//Grインターフェースで定義されているhello()メソッドをこのクラスに実装する
@Override
public String hello() {
//hello()が呼び出されたらString型の文字列を呼び出し元に返す
return "こんにちは";
}
}

231
em-oop/src/Main.java
View File

@@ -1,196 +1,73 @@
public class Main {
public static void main(String[] args) {
EmployeeData employee = new EmployeeData();
// String idEmployee = "10000";
// String nmEmployee = "山田龍也";
// String knEmployee = "ヤマダタツヤ";
// String mailAddress = "yamada@hoge.jp";
// String password = "aaa";
// String idDepartment = "10";
EmployeeData[] employee = new EmployeeData[5];
employee[0] = new EmployeeData("10000"," ","ヤマダタツヤ","yamada@hoge.jp","aaa","10");
employee[1] = new EmployeeData();
employee[2] = new EmployeeData();
employee[3] = new EmployeeData();
employee[4] = new EmployeeData();
// EmployeeData[] employees = new EmployeeData[5];
// employees[1] = new Employee;
// employees[0] = new EmployeeData();
// employee[0].setIdEmployee("10000");
// employee[0].setNmEmployee("山田龍也");
// employee[0].setKnEmployee("ヤマダタツヤ");
// employee[0].setMailAddress("yamada@hoge.jp");
// employee[0].setPassword("aaa");
// employee[0].setIdDepartment("10");
//
employee[1].setIdEmployee("10001");
employee[1].setNmEmployee("高橋準");
employee[1].setKnEmployee("タカハシジュン");
employee[1].setMailAddress("jtaka@hoge.jp");
employee[1].setPassword("bbb");
employee[1].setIdDepartment("10");
// employees[0] = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
employee.setIdEmployee("10000"); //private　後　に使用する！！
employee.setNmEmployee("山田龍也"); //段階　8　確認用
employee.setKnEmployee("ヤマダタツヤ");
employee.setMailAddress("yamada@hoge.jp");
employee.setPassword("aaa");
employee.setIdDepartment("10");
employee[2].setIdEmployee("10002");
employee[2].setNmEmployee("麻枝史明");
employee[2].setKnEmployee("マエダフミアキ");
employee[2].setMailAddress("fmak@hoge.jp");
employee[2].setPassword("ccc");
employee[2].setIdDepartment("11");
// employees[0].idEmployee = "1000"; //段階5の分に　s[0]　足した //privete　前　に使用！！！！！！
// employees[0].nmEmployee = "山田龍也";
// employees[0].knEmployee = "ヤマダタツヤ";
// employees[0].mailAddress = "yamada@hoge.jp";
// employees[0].password = "aaa";
// employees[0].idDepartment = "10";
employee[3].setIdEmployee("10003");
employee[3].setNmEmployee("丸戸章介");
employee[3].setKnEmployee("マルトショウスケ");
employee[3].setMailAddress("marusyo@hoge.jp");
employee[3].setPassword("ddd");
employee[3].setIdDepartment("12");
//
// employees[1] = new EmployeeData();
// employees[1] = new EmployeeData("10000", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10");
employee[4].setIdEmployee("10004");
employee[4].setNmEmployee("三宅武");
employee[4].setKnEmployee("ミヤケタケシ");
employee[4].setMailAddress("miya@hoge.jp");
employee[4].setPassword("eee");
employee[4].setIdDepartment("13");
//
// employees[1].setIdEmployee ( "10001");
// employees[1].setNmEmployee ( "高橋準");
// employees[1].setKnEmployee ( "タカハシジュン");
// employees[1].setMailAddress ("jtaka@hoge.jp");
// employees[1].setPassword ("bbb");
// employees[1].setIdDepartment("10");
// employees[1].idEmployee = "10001";
// employees[1].nmEmployee = "高橋準";
// employees[1].knEmployee = "タカハシジュン";
// employees[1].mailAddress = "jtaka@hoge.jp";
// employees[1].password = "bbb";
// employees[1].idDepartment = "10";
for(int i=0;i<5;i++) {
System.out.println(employee[i]);
}
//
// employees[2] = new EmployeeData();//各employee[]をコメントアウトしていたからエラー！　employeeに何の箱を入れるかを表記
// employees[2] = new EmployeeData("10002", "麻枝文明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11");
// employees[2].setIdEmployee("10002");
// employees[2].setNmEmployee("麻枝文明");
// employees[2].setKnEmployee("マエダフミアキ");
// employees[2].setMailAddress("fmak@hoge.jp");
// employees[2].setPassword("ccc");
// employees[2].setIdDepartment("11");
System.out.println("現在の社員データ数"+EmployeeData.getEmpCount());
// employees[2].idEmployee = "10002";
// employees[2].nmEmployee = "麻枝文明";
// employees[2].knEmployee = "マエダフミアキ";
// employees[2].mailAddress = "fmak@hoge.jp";
// employees[2].password = "ccc";
// employees[2].idDepartment = "11";
// //
// employees[3] = new EmployeeData();
// employees[3] = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
System.out.println(EmployeeData.COMPANY_NAME);
// employees[3].setIdEmployee("10003");
// employees[3].setNmEmployee("丸戸章介");
// employees[3].setKnEmployee("マルトショウスケ");
// employees[3].setMailAddress("marusyo@hoge.jp");
// employees[3].setPassword("ddd");
// employees[3].setIdDepartment("12");
// System.out.println();
// System.out.println(employee.nmEmployee);
// System.out.println(employee.knEmployee);
// System.out.println(employee.mailAddress);
// System.out.println(employee.password);
// System.out.println(employee.idDepartment);
// employees[3].idEmployee = "10003";
// employees[3].nmEmployee = "丸戸章介";
// employees[3].knEmployee = "マルトショウスケ";
// employees[3].mailAddress = "marusyo@hoge.jp";
// employees[3].password = "ddd";
// employees[3].idDepartment = "12";
// //
// employees[4] = new EmployeeData();
// employees[4] = new EmployeeData("10004", "三宅武", "ミヤケタケシ", "miya@hoge.jp", "eee", "13");
// employees[4].setIdEmployee("10004");
// employees[4].setNmEmployee("三宅武");
// employees[4].setKnEmployee("ミヤケタケシ");
// employees[4].setMailAddress("miya@hoge.jp");
// employees[4].setPassword("eee");
// employees[4].setIdDepartment("13");
//
// employees[4].idEmployee = "10004";
// employees[4].nmEmployee = "三宅武";
// employees[4].knEmployee = "ミヤケタケシ";
// employees[4].mailAddress = "miya@hoge.jp";
// employees[4].password = "eee";
// employees[4].idDepartment = "13";
//employees[5]= new EmployeeData("10005", , "タカヤマアカネ", "takayamaa@hoge.jp", "taka", "14");
// Scanner scanner = new Scanner(System.in); //8段階目！スキャナー作成
// while (true) { //while(true)- 9段階目課題
// System.out.println("検索したい社員IDを入力してください"); //検索するID入力
// //キーボードから入力されたIDをsearchIdに入れている
// String searchId = scanner.nextLine();
//
// if (searchId.equals("0")) { //0が入力された場合はシステム終了
// System.out.println("システムを終了します");
// break; //while文を終了　システム終了
// }
// //社員が見つかったかを判定する変数
// boolean found = false;
// //employee配列を順番に確認
// for (int i = 0; i < employees.length; i++) {
// //employeesのi番目のIDと、入力された社員IDは一致するか確認
// if (employees[i].isMatchId(searchId)) {
// System.out.println(employees[i]); //2d6段階：showinfoから変更
//// employees[i].showinfo(); //一致した社員の情報を表示
// found = true; //見つかったことを記録
// break; //検索終了　for文を終了
// }
// }
//
// if (!found) { //社員が見つからなかったら
// System.out.println("該当する社員が見つかりませんでした。");
// }
// }
// //Scannerを閉じる
// scanner.close();
// System.out.println(employees[0]);
// System.out.println(employees[1]);
// System.out.println(employees[2]);
// System.out.println(employees[3]);
// System.out.println(employees[4]);
// System.out.println(employees[5]);
//5人分のインスタンスをすべて生成し終えた後にクラス名から呼び出し、件数表示
// System.out.println("現在の社員データ件数：" + EmployeeData.empCount + "件");
// employees[0].showinfo();
// employees[1].showinfo();
// employees[2].showinfo();
// employees[3].showinfo();
// employees[4].showinfo();
//
// String searchId = "10002"; //７段階目！※コメントアウト中
// boolean found = false;
//
// System.out.println(searchId + "を検索します");
//
// for(int i = 0; i < employees.length; i++) {
// if(employees[i].isMatchId(searchId)) {
// found = true;
// break;
// }
// }
//
// System.out.println(found);
//
// searchId = "99999";
// found = false;
//
// System.out.println(searchId + "を検索します");
//
// for(int i = 0; i < employees.length; i++) {
// if(employees[i].isMatchId(searchId)) {
// found = true;
// break;
// }
// }
// System.out.println(found); //7段階目の確認用コード
// employees[0].showinfo();
// employees[1].showinfo();
// employees[2].showinfo();
// employees[3].showinfo();
// employees[4].showinfo();
// System.out.println(employee +"," +idEmployee +"," + nmEmployee +"," + knEmployee +"," + mailAddress +"," + password + "," +idDepartment);
System.out.println(employee.toCSV());
System.out.println(employee.getPrimaryKeyValue());
// System.out.println(employee);
// System.out.println(idEmployee);
// System.out.println(nmEmployee);
// System.out.println(knEmployee);
// System.out.println(mailAddress);
// System.out.println(password);
// System.out.println(idDepartment);
}
}

22
em-oop/src/Rectangle.java
View File

@@ -1,22 +0,0 @@
public class Rectangle extends Shape {
private double width;
private double height; {
}
public Rectangle(double width, double height) {
super("四角形");
this.width = width;
this.height = height;
}
public double area() {
return width * height;
}
// public void showInfo(){
// super.showInfo();
// System.out.println("(半径:" + this.area + ")");
// }
}

36
em-oop/src/Shape.java
View File

@@ -1,36 +0,0 @@
public abstract class Shape {
private String name; //フィールドname ・privateにしなきゃいけない
// public double area;
// public int radius;
public Shape() {
}
public Shape(String name) {
this.name = name; //Circleが"円"を呼び出すための文字列をいれるところ
}
public abstract double area();{ //メソッドarea 引数なし・戻り値double 中身return0.0;
// return 0.0;
}
// @Override
public void showInfo(){ //メソッドshowinfo 引数戻り値なし・中身はsyso
System.out.println(this.name + "の面積は" + this.area() + "です");
// System.out.println("(半径:" + this.radius + ")");
System.out.println("四角形" + "の面積は" + this.area() + "です。");
}
// @Override
// public void showInfo(){
//
// }
}

47
em-oop/src/Student.java
View File

@@ -1,53 +1,24 @@
public class Student {//クラス新規作成
public class Student {
int studentId;
String name;
static int studentCount = 0;
int studentId; //フィールドを宣言 int
String name; //String
static int studentCount = 0; //生徒が何人作られたかを数えるための、クラス全体で共有するフィールド
public void printProfile() {
System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
void printProfile() {//メソッドを宣言・以下の内容をsysoで出力
// for(int i = 0; i <= 3; i++) {
System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
// }
// System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
}
public Student(int studentId, String name) { //コンストラクタを追加
this.studentId = studentId; //渡された引数をそれぞれ対応するフィールドに代入する
public Student(int studentId, String name) {
this.studentId = studentId;
this.name = name;
studentCount++;
}
public static int getStudentCount() {
// studentCount++;
return studentCount;
}
}
// public static void main(String[] args) {
// Student s = new Student(1,"鈴木一郎");
// s.printProfile();
//
//
// public Student(int studentId, String name) {
// student.studentId = 1;