9 Commits

Author SHA1 Message Date
2c6742fd26 2日目_段階3完了 2026-09-18 10:56:38 +09:00
9780db9a8f ミッション課題 2026-09-18 10:28:27 +09:00
439556d4cc Day3課題2
q5の1~3まで終了
2026-09-17 13:55:31 +09:00
012cbcd562 3日目_1段階 2026-09-16 15:59:09 +09:00
f4acecff05 1日目_段階4_完了 2026-09-15 16:12:18 +09:00
cdf731795f 一日目_段階3_完了 2026-09-15 15:50:41 +09:00
c82f9ca678 2日目_段階1_完了 2026-09-15 14:36:27 +09:00
7559a7dfa7 段階2完了いたしました。 2026-09-14 16:36:18 +09:00
43567c0e0c 1段階目完了 2026-09-14 15:14:17 +09:00
28 changed files with 336 additions and 745 deletions

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@@ -3,24 +3,23 @@ public class BasicCheck1 {
public static void main(String[] args) { public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ // TODO 自動生成されたメソッド・スタブ
//Book book = new Book(); // Book book = new Book();
// book.title = "吾輩は猫である"; // book.title = "吾輩は猫である";
// book.author ="夏目漱石"; // book.author ="夏目漱石";
// book.price = 800; // book.price = 800;
Book book1 = new Book () ;
Book book1 = new Book();
System.out.println(book1.title); System.out.println(book1.title);
System.out.println(book1.author); System.out.println(book1.author);
System.out.println(book1.price); System.out.println(book1.price);
Book book2 = new Book("銀河鉄道の夜","宮沢賢治",500); Book book2 = new Book("銀河鉄道の夜","宮沢賢治", 500);
System.out.println(book2.title); System.out.println(book2.title);
System.out.println(book2.author); System.out.println(book2.author);
System.out.println(book2.price); System.out.println(book2.price);
} }
} }

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@@ -1,18 +1,36 @@
public class BasicCheck2 {
public class BasicCheck2 {
public static void main(String[] args) { public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
// Student student = new Student(); // Student student = new Student(3,"a");
// student.studentId=1; //Student型のstudentを宣言、インスタンスを代入する
// student.name="鈴木一郎"; 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 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(); student1.printProfile();
student2.printProfile(); student2.printProfile();
student3.printProfile(); student3.printProfile();
System.out.println("現在の生徒数は:"+Student.getStudentCount());
} }
} }
//
//System.out.print("学籍番号"+student.studentId);
//System.out.print("名前:" + student.name);

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@@ -1,55 +1,52 @@
public class BasicCheck3 { public class BasicCheck3 {
public static void main(String[] args) { public static void main(String[] args){
// TODO 自動生成されたメソッド・スタブ
Item []items = new Item[3];
Item[] items = new Item[3];
// items[0]= new Item();
// items[0].name = "ノート";
// items[0].price = 120;
// items[0].stock = 50;
//
// items[1] = new Item();
// items[1].name = "消しゴム";
// items[1].price = 80;
// items[1].stock = 30;
//
// items[2] = new Item();
// items[2].name = "鉛筆";
// items[2].price = 60;
// items[2].stock = 100;
items[0] = new Item(); items[0] = new Item();
items[0].setName("ノート"); items[0].setName("ノート");
items[0].setPrice(120); items[0].setPrice(80);
items[0].setStock(50); items[0].setStock(50);
items[1] = new Item(); items[1] = new Item();
items[1].setName("消しゴム"); items[1].setName("ノート");
items[1].setPrice(80); items[1].setPrice(120);
items[1].setStock(30); items[1].setStock(30);
items[2] = new Item(); items[2] = new Item();
items[2].setName("鉛筆"); items[2].setName("ノート");
items[2].setPrice(60); items[2].setPrice(60);
items[2].setStock(100); items[2].setStock(100);
// Item[] items = {
// new Item("ノート", 120, 50),
// new Item("消しゴム", 80, 30), //this is also fine but the question is make items[i].setName(...),so we should be change
// new Item("鉛筆", 60, 100)
// };
for (int i = 0; i < items.length; i++) {
for(int i = 0; i < items.length; i++ )
{
items[i].sell(5); items[i].sell(5);
System.out.println(items[i]);
} }
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);
}
// Item 0 = new Item("ノート", 120, 50);
} }

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@@ -1,20 +1,24 @@
public class Book { public class Book {
String title; public String title;
String author; public String author;
int price; public int price;
public Book () {
this.title="タイトル未設定"; //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.author = "著者未設定";
this.price=500; this.price = 0;
// System.out.println("コンストラクタが呼び出されました");
} }
//引数ありコンストラクタ
public Book (String title, String author, int price) { 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.title = title;
this.author= author; this.author = author;
this.price= price; this.price = price;
} }
} }

21
em-oop/src/Circle.java Normal file
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@@ -0,0 +1,21 @@
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 + ")");
}
}

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@@ -0,0 +1,14 @@
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();
}
}

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@@ -0,0 +1,22 @@
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());
}
}

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@@ -0,0 +1,15 @@
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();
}
}

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@@ -1,108 +1,21 @@
public class EmployeeData { public class EmployeeData {
private String idEmployee; public static void main(String args[]) {
private String nmEmployee; String idEmployee;
private String knEmployee; String nmEmployee;
private String mailAddress; String knEmployee;
private String password; String mailAddress;
private String idDepartment; String password;
String idDepartment;
public String getIdEmployee() {
return idEmployee;
} }
public void setIdEmployee(String idEmployee) { // public EmployeeData() {
// null ဖြစ်နေသလား (သို့မဟုတ်) ရှေ့နောက် Space များကို ဖယ်ရှားလိုက်လျှင် စာသားအလွတ် ဖြစ်သွားသလား စစ်ဆေးခြင်း // this.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");
} else {
this.idEmployee = idEmployee;
}
}
public String getNmEmployee() { public void showinfo() {
return nmEmployee; System.out.println();
}
public void setNmEmployee(String nmEmployee) {
// null ဖြစ်နေသလား (သို့မဟုတ်) ရှေ့နောက် Space များကို ဖယ်ရှားလိုက်လျှင် စာသားအလွတ် ဖြစ်သွားသလား စစ်ဆေးခြင်း
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");
} else {
this.nmEmployee = nmEmployee;
}
}
public String getKnEmployee() {
return knEmployee;
}
public void setKnEmployee(String knEmployee) {
this.knEmployee = knEmployee;
}
public String getMailAddress() {
return mailAddress;
}
public void setMailAddress(String mailAddress) {
this.mailAddress = mailAddress;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getIdDepartment() {
return idDepartment;
}
public void setIdDepartment(String idDepartment) {
this.idDepartment = idDepartment;
}
private static int empCount = 0;
public void showInfo() {
System.out.println(this.idEmployee + "\t" + this.nmEmployee + this.knEmployee + this.mailAddress + this.password
+ this.idDepartment);
// System.out.println("社員ID: " + this.getIdEmployee());
// System.out.println("社員氏名: " + this.getNmEmployee());
// System.out.println("フリガナ: " + this.getKnEmployee());
// System.out.println("メールアドレス: " + this.getMailAddress());
// System.out.println("パスワード: " + this.getPassword());
// System.out.println("部署ID: " + this.getIdDepartment());
}
public EmployeeData() {
empCount++;
} }
public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password,
String idDepartment) {
this.setIdEmployee(idEmployee);
this.setNmEmployee(nmEmployee);
this.setKnEmployee(knEmployee);
this.setMailAddress(mailAddress);
this.setPassword(password);
this.setIdDepartment(idDepartment);
empCount++;
}
public static int getEmpCount() {
return empCount;
}
// boolean isMatchId(String id) { //stept 7
// return this.idEmployee.equals(id);
//
// }
} }

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

View File

@@ -1,32 +1,31 @@
public class Item { 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 String name;
private int price; private int price;
private int stock; private int stock;
// public Item(String name, int price, int stock) { //nameを取得するgetter
// this.name = name;
// this.price = price;
// this.stock = stock;
//
// }
public String getName() { public String getName() {
return name; return name;
} }
public void setName(String 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; this.name = name;
} }
//priceを取得するgetter
public int getPrice() { public int getPrice() {
return price; return price;
} }
//priceを設定するsetter
public void setPrice(int price) { public void setPrice(int price) {
this.price = price; this.price = price;
} }
//stockを取得するgetter
public int getStock() { public int getStock() {
return stock; return stock;
} }
@@ -35,14 +34,21 @@ public class Item {
this.stock = stock; this.stock = stock;
} }
public void sell(int amount) { // Item(String name, int price, int stock){
this.stock = this.stock - amount; // 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);
} }
//Itemの情報を文字列として返す
@Override @Override
public String toString() { public String toString() {
return getName() + " " + getPrice() + "円 (残り" + getStock() + "個)"; return getName() + "" + getPrice() + "円(残り" + getStock() + "個)";
} }
} }

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@@ -0,0 +1,13 @@
//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";
}
}

View File

@@ -1,147 +1,25 @@
public class Main { public class Main {
public static void main(String[] args) { public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ EmployeeData employee = new EmployeeData() ;
EmployeeData[] employees = new EmployeeData[5]; String idEmployee = "10000";
EmployeeData employee1 = new EmployeeData(); String nmEmployee = "山田龍也";
employee1.setIdEmployee("10000"); String knEmployee = "ヤマダタツヤ";
employee1.setNmEmployee("山田太郎"); String mailAddress = "yamada@hoge.jp";
employee1.setKnEmployee("ヤマダタツヤ"); String password = "aaa";
employee1.setMailAddress("yamada@hoge.jp"); String idDepartment = "10";
employee1.setPassword("aaa");
employee1.setIdDepartment("10");
//1st person
//EmployeeData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
// employees[0] = new EmployeeData();
// employees[0].idEmployee = "10000";
// 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";
EmployeeData employee2 = new EmployeeData();
employee2.setIdEmployee("10001");
employee2.setNmEmployee("高橋準");
employee2.setKnEmployee("タカハシジュン");
employee2.setMailAddress("jtaka@hoge.jp");
employee2.setPassword("bbb");
employee2.setIdDepartment("10");
// //2nd person
// employees[1] = new EmployeeData();
// 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";
// //3rd person
EmployeeData employee3 = new EmployeeData();
employee3.setIdEmployee("10002");
employee3.setNmEmployee("麻枝史明");
employee3.setKnEmployee("マエダフミアキ");
employee3.setMailAddress("fmak@hoge.jp");
employee3.setPassword("ccc");
employee3.setIdDepartment("11");
// employees[2] = new EmployeeData();
// employees[2].idEmployee = "10002";
// employees[2].nmEmployee = "麻枝史明";
// employees[2].knEmployee = "マエダフミアキ";
// employees[2].mailAddress = "fmak@hoge.jp";
// employees[2].password = "ccc";
// employees[2].idDepartment = "11";
EmployeeData employee4 = new EmployeeData();
employee4.setIdEmployee("10003");
employee4.setNmEmployee("丸戸章介");
employee4.setKnEmployee("マルトショウスケ");
employee4.setMailAddress("marusyo@hoge.jp");
employee4.setPassword("ddd");
employee4.setIdDepartment("12");
// //4th person
// employees[3] = new EmployeeData();
// 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";
EmployeeData employee5 = new EmployeeData();
employee5.setIdEmployee("10004");
employee5.setNmEmployee("三宅武");
employee5.setKnEmployee("ミヤケタケシ");
employee5.setMailAddress("miya@hoge.jp");
employee5.setPassword("eee");
employee5.setIdDepartment("13");
// //5th pe5rson
// employees[4] = new EmployeeData();
// 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";
// stept6
// for (int i = 0; i < employees.length; i++) {
// employees[i].showInfo();
// }
employee1.showInfo();
employee2.showInfo();
employee3.showInfo();
employee4.showInfo();
employee5.showInfo();
//stept 7 // System.out.println(employee);
//System.out.println("10002 を検索します"); System.out.println(idEmployee);
// System.out.println(employees[2].isMatchId("10002")); System.out.println(nmEmployee);
// System.out.println(knEmployee);
// System.out.println("99999 を検索します"); System.out.println(mailAddress);
// System.out.println(employees[2].isMatchId("99999")); System.out.println(password);
System.out.println(idDepartment);
//stept 5
// employee.showInfo();
// stept6
// System.out.println(employee.idEmployee);
// 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);
// Scanner scan = new Scanner(System.in);
// while (true) {
// System.out.println("検索したい社員IDを入力してください(終了する場合は0)");
//
// //stept 8
//
// //System.out.println("検索したい社員IDを入力してください");
// String serchId = scan.nextLine();
//
// if (serchId.equals("0")) { //stept 9
// System.out.println("システムを終了します");
// break;
// }
// boolean found = false; //←if it haven't this boolean , they can't be decided true or false, so we should be make boolan name (found)
for (int i = 0; i < employees.length; i++) {
}
System.out.println("現在社員データ数:" + EmployeeData.getEmpCount() + "件");
// if (employees[i].isMatchId(serchId)) {
// employees[i].showInfo();
// found = true;
// break;
// }
//
// }
// if (!found) {
// System.out.println("該当する社員が見つかりませんでした");
// }
System.out.println("--- 空文字のテスト ---");
employee1.setNmEmployee(""); // စာသားအလွတ်
employee1.setIdEmployee(" "); // Space သီးသန့်
employee1.setNmEmployee(null); // null တန်ဖိုး
} }
//scan.close(); }
}

22
em-oop/src/Rectangle.java Normal file
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@@ -0,0 +1,22 @@
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 Normal file
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@@ -0,0 +1,36 @@
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(){
//
// }
}

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@@ -1,24 +1,53 @@
public class Student { public class Student {//クラス新規作成
private int studentId; int studentId; //フィールドを宣言 int
private String name; 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 Student(int studentId, String name) { void printProfile() {//メソッドを宣言・以下の内容をsysoで出力
this.studentId = studentId;
this.name = name;
studentCount++;
// 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
this.name = name;
studentCount++;
} }
private static int studentCount = 0;
public static int getStudentCount() { public static int getStudentCount() {
// studentCount++;
return studentCount; return studentCount;
} }
void printProfile() {
System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
}
} }
// 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;

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@@ -1,10 +0,0 @@
package day3Keisho;
public abstract class BaseData {
public abstract String toString();
public abstract String toCSV();
public abstract String getPrimaryKeyValue();
}

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@@ -1,22 +0,0 @@
package day3Keisho;
public class Circle extends Shape {
private double radius;
public Circle (double radius) {
super("円");
this.radius= radius;
}
@Override
public double area() {
return Math.PI * radius * radius;
}
@Override
public void showInfo() {
super.showInfo();
System.out.println("(半径:" + this.radius + ")");
}
}

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@@ -1,13 +0,0 @@
package day3Keisho;
public class Day3Check1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
Circle circle = new Circle(2.0);
circle.showInfo();
}
}

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@@ -1,15 +0,0 @@
package day3Keisho;
public class Day3Check2 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
Rectangle rect = new Rectangle(3.0, 4.0);
rect.showInfo();
Greeting greeting = new JapaneseGreeting();
System.out.println(greeting.hello());
}
}

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@@ -1,14 +0,0 @@
package day3Keisho;
public class Day3Check3 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
Shape shape1 = new Circle(2);
shape1.showInfo();
Shape shape2 = new Rectangle(3, 4);
shape2.showInfo();
}
}

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@@ -1,41 +0,0 @@
package day3Keisho;
public class DepartmentData extends BaseData {
private String idDepartment;
private String nmDepartment;
public String getIdDepartment() {
return idDepartment;
}
public void setIdDepartment(String idDepartment) {
this.idDepartment = idDepartment;
}
public String getNmDepartment() {
return nmDepartment;
}
public void setNmDepartment(String nmDepartment) {
this.nmDepartment = nmDepartment;
}
@Override
public String toString() {
// TODO 自動生成されたメソッド・スタブ
return getIdDepartment() + "\t" + getNmDepartment();
}
@Override
public String toCSV() {
// TODO 自動生成されたメソッド・スタブ
return getIdDepartment() + "," + getNmDepartment();
}
@Override
public String getPrimaryKeyValue() {
// TODO 自動生成されたメソッド・スタブ
return getIdDepartment();
}
}

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@@ -1,99 +0,0 @@
package day3Keisho;
public class EmployeeData extends BaseData {
private String idEmployee;
private String nmEmployee;
private String knEmployee;
private String mailAddress;
private String password;
private String idDepartment;
public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password, String idDepartment) {
this.idEmployee = idEmployee;
this.nmEmployee = nmEmployee;
this.knEmployee = knEmployee;
this.mailAddress = mailAddress;
this.password = password;
this.idDepartment = idDepartment;
}
public EmployeeData() {
}
public String getIdEmployee(String idEmployee) {
return idEmployee;
}
public void setIdEmployee(String idEmployee) {
// null ဖြစ်နေသလား (သို့မဟုတ်) ရှေ့နောက် Space များကို ဖယ်ရှားလိုက်လျှင် စာသားအလွတ် ဖြစ်သွားသလား စစ်ဆေးခြင်း
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");
} else {
this.idEmployee = idEmployee;
}
}
public String getNmEmployee() {
return nmEmployee;
}
public void setNmEmployee(String nmEmployee) {
// null ဖြစ်နေသလား (သို့မဟုတ်) ရှေ့နောက် Space များကို ဖယ်ရှားလိုက်လျှင် စာသားအလွတ် ဖြစ်သွားသလား စစ်ဆေးခြင်း
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");
} else {
this.nmEmployee = nmEmployee;
}
}
public String getKnEmployee() {
return knEmployee;
}
public void setKnEmployee(String knEmployee) {
this.knEmployee = knEmployee;
}
public String getMailAddress() {
return mailAddress;
}
public void setMailAddress(String mailAddress) {
this.mailAddress = mailAddress;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getIdDepartment() {
return idDepartment;
}
public void setIdDepartment(String idDepartment) {
this.idDepartment = idDepartment;
}
@Override
public String toString() {
return idEmployee + "\t" + nmEmployee + "\t" + knEmployee + "\t" + mailAddress + "\t" + password + "\t" + idDepartment;
}
@Override
public String toCSV() {
return idEmployee + "," + nmEmployee + "," + knEmployee + "," + mailAddress + "," + password + "," + idDepartment;
}
@Override
public String getPrimaryKeyValue() {
return idEmployee;
}
}

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@@ -1,6 +0,0 @@
package day3Keisho;
public interface Greeting {
String hello();
}

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@@ -1,11 +0,0 @@
package day3Keisho;
public class JapaneseGreeting implements Greeting {
@Override
public String hello() {
return "こんにちは";
}
}

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@@ -1,126 +0,0 @@
package day3Keisho;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
//EmployeeData[] employees = new EmployeeData[5];
BaseData[] employees = new BaseData[5];
employees[0] = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
employees[1] = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10");
employees[2] = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11");
employees[3] = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
employees[4] = new EmployeeData("10004", "三宅武", "ミヤケタケシ", "miya@hoge.jp", "eee", "13");
System.out.println(employees[0].toCSV());
System.out.println(employees[0].getPrimaryKeyValue());
System.out.println("10002 を検索します");
System.out.println(employees[2].getPrimaryKeyValue().equals("10002"));
BaseData[] allData = new BaseData[11];
for (int i = 0; i < employees.length; i++) {
allData[i] = employees[i];
}
DepartmentData dept1 = new DepartmentData();
dept1.setIdDepartment("10");
dept1.setNmDepartment("役員");
allData[5] = dept1;
DepartmentData dept2 = new DepartmentData();
dept2.setIdDepartment("11");
dept2.setNmDepartment("人事・総務部");
allData[6] = dept2;
DepartmentData dept3 = new DepartmentData();
dept3.setIdDepartment("12");
dept3.setNmDepartment("経理部");
allData[7] = dept3;
DepartmentData dept4 = new DepartmentData();
dept4.setIdDepartment("13");
dept4.setNmDepartment("システム開発事業部");
allData[8] = dept4;
DepartmentData dept5 = new DepartmentData();
dept5.setIdDepartment("14");
dept5.setNmDepartment("教育事業部");
allData[9] = dept5;
DepartmentData dept6 = new DepartmentData();
dept6.setIdDepartment("15");
dept6.setNmDepartment("営業企画部");
allData[10] = dept6;
for (BaseData data : allData) {
System.out.println(data.toString());
}
//Stept 7
int employeeCount =0;
int departmentCount =0;
for(BaseData data: allData) {
if(data instanceof EmployeeData) { //instanceof is looking for inside
employeeCount++;
}else if(data instanceof DepartmentData) {
departmentCount++;
}
}
System.out.println("社員データ:" + employeeCount + "件");
System.out.println("部署データ:" + departmentCount + "件");
//Strpt 8
for (BaseData data : allData) {
if (data instanceof EmployeeData) {
// EmployeeData သို့ Cast လုပ်ခြင်း
EmployeeData emp = (EmployeeData) data;
System.out.println(emp.getMailAddress());
}
}
// Stept 9
Scanner scanner = new Scanner(System.in);
System.out.print("検索したい部署名を入力してください: ");
String targetDepartmentName = scanner.nextLine();
String targetDepartmentId = null;
// ၁။ ဌာနနာမည်မှတစ်ဆင့် ဌာန ID (idDepartment) ကို ရှာခြင်း
for (BaseData data : allData) {
if (data instanceof DepartmentData) {
DepartmentData dept = (DepartmentData) data;
if (targetDepartmentName.equals(dept.getNmDepartment())) {
targetDepartmentId = dept.getIdDepartment();
break;
}
}
}
// ၂။ ဌာန ID တူညီသည့် ဝန်ထမ်းများကို ရှာဖွေပြီး ထုတ်ပြခြင်း
if (targetDepartmentId != null) {
boolean found = false;
for (BaseData data : allData) {
if (data instanceof EmployeeData) {
EmployeeData emp = (EmployeeData) data;
if (targetDepartmentId.equals(emp.getIdDepartment())) {
System.out.println(emp.getNmEmployee() + "\t" + emp.getMailAddress());
found = true;
}
}
}
if (!found) {
System.out.println("その部署に所属する社員は見つかりませんでした");
}
} else {
System.out.println("該当する部署が見つかりませんでした");
}
scanner.close();
}
}

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@@ -1,21 +0,0 @@
package day3Keisho;
public class Rectangle extends Shape {
private double width;
private double height;
public Rectangle(double width,double height) {
super("四角形");
this.height=height;
this.width=width;
}
@Override
public double area() {
// TODO 自動生成されたメソッド・スタブ
//super.showInfo();
return width*height;
}
}

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@@ -1,22 +0,0 @@
package day3Keisho;
//public class Shape { //stept 1
public abstract class Shape{ //stept 2
private String name;
public Shape(String name) {
this.name = name;
}
public abstract double area(); //stept 2
// public double area() { //stept 1
// return 0.0;
//
// }
public void showInfo() {
System.out.println(this.name + "の面積は" + this.area() + "です");
}
}