19 Commits

Author SHA1 Message Date
06dedc4519 個人開発の修正です 2026-09-24 16:53:41 +09:00
83691c5691 2日目段階7です 2026-09-24 15:28:04 +09:00
a7ab96fe7d 3日目段階6です 2026-09-24 14:38:36 +09:00
434cf3e643 3日目段階5です 2026-09-24 13:26:05 +09:00
32a194f04c 3日目段階4です 2026-09-24 13:16:31 +09:00
f33c62d2db 3日目段階3です 2026-09-24 12:38:19 +09:00
314824d53e 1日目段階9です 2026-09-24 11:29:47 +09:00
7216162522 1日目段階7,8です 2026-09-24 09:44:50 +09:00
07a204e760 2日目段階6です 2026-09-18 12:59:07 +09:00
27bbe22c0d 2日目段階5です 2026-09-18 12:52:05 +09:00
b6f3df93ed 2日目段階2~4です 2026-09-18 11:34:35 +09:00
90ac263e9c 3日目段階2です 2026-09-16 17:07:23 +09:00
bafd218505 3日目段階1です 2026-09-16 15:54:10 +09:00
6284d105e5 2日目段階1です 2026-09-15 16:40:14 +09:00
04dfa16363 1日目段階6です 2026-09-15 15:38:24 +09:00
75e148e07d 1日目段階5です。 2026-09-15 14:42:05 +09:00
7801e6afa8 一日目の段階4です。 2026-09-15 14:31:38 +09:00
910a102d72 段階2です。 2026-09-14 15:21:51 +09:00
e7f0dfff43 段階1です。 2026-09-14 15:00:59 +09:00
21 changed files with 321 additions and 322 deletions

6
.classpath Normal file
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@@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="src" path="em-oop/src"/>
<classpathentry kind="output" path="bin"/>
</classpath>

1
.gitignore vendored
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@@ -25,3 +25,4 @@ hs_err_pid*
replay_pid* replay_pid*
/.metadata/ /.metadata/
/bin/

17
.project Normal file
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@@ -0,0 +1,17 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>java-cui-em-oop</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

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@@ -1,5 +1,6 @@
public abstract class BaseDate { public abstract class BaseData {
public abstract String toString(); public abstract String toString();
public abstract String toCSV(); public abstract String toCSV();
public abstract String getPrimaryKeyValue(); public abstract String getPrimaryKeyValue();

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@@ -2,16 +2,17 @@
public class BasicCheck1 { 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
Book book1 = new Book();
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); Book book1 = new Book();
System.out.println(book2.title); Book book2 = new Book("銀河鉄道の夜", "宮沢賢治", 500);
System.out.println(book2.author);
System.out.println(book2.price); // book.title = "吾輩は猫である";
// book.author = "夏目漱石";
// book.price = 800;
System.out.println(book1.title +"\n"+ book1.author +"\n"+ book1.price);
System.out.println(book2.title +"\n"+ book2.author +"\n"+ book2.price);
} }
} }

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@@ -3,15 +3,24 @@ 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 // TODO 自動生成されたメソッド・スタブ
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"); // student1.studentId = 1;
// student1.name = "鈴木一郎";
student1.printProfile(); student1.printProfile();
Student student2 = new Student(2, "田中花子");
student2.printProfile(); student2.printProfile();
Student student3 = new Student(3, "佐藤次郎");
student3.printProfile(); student3.printProfile();
int total=Student.getStudentCount();
System.out.println("現在の生徒数" + total + "人"); Student.getStudentCount();{
System.out.println("現在の生徒数:" + Student.studentCount + "人");
}
} }
} }

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@@ -2,26 +2,51 @@
public class BasicCheck3 { public class BasicCheck3 {
public static void main(String[] args) { public static void main(String[] args) {
// 配列 // 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[1] = new Item(); Item item0 = new Item();
items[2] = new Item(); Item item1 = new Item();
//items[0]代入 Item item2 = new Item();
items[0].setName("ノート");
items[0].setPrice(120); items[0] = item0;
items[0].setStock (50); items[1] = item1;
//items[1]代入 items[2] = item2;
items[1].setName("消しゴム");
items[1].setPrice(80); item0.setName("ノート");
items[1].setStock(30); item0.setPrice(120);
//items[2]代入 item0.setStock(50);
items[2].setName("鉛筆");
items[2].setPrice(60); item1.setName("消しゴム");
items[2].setStock(100); item1.setPrice(80);
for (int i=0; i<=2; i++) { item1.setStock(30);
item2.setName("鉛筆");
item2.setPrice(60);
item2.setStock(100);
// item1.setName = "ノート";
// item1.price = 120;
// item1.stock = 50;
//
// Item item2 = new Item();
//
// item2.name = "消しゴム";
// item2.price = 80;
// item2.stock = 30;
//
// Item item3 = new Item();
//
// item3.name = "鉛筆";
// item3.price = 60;
// item3.stock = 100;
for (int i = 0; i < items.length; i++) {
items[i].sell(5); items[i].sell(5);
System.out.println(items[i]); System.out.println(items[i]);
} }
} }

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@@ -1,18 +1,20 @@
public class Book { public class Book {
String title; public String title;
String author; public String author;
int price; public int price;
public Book () { public Book() {
title = "タイトル未設定"; title = "タイトル未設定";
author = "著者未設定"; author = "著者未設定";
price = 0; price = 0;
} }
public Book(String title,String author,int price) { public Book(String title, String author, int price) {
this.title = title; this.title = title;
this.author = author; this.author = author;
this.price = price; this.price = price;
} }
} }

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@@ -5,16 +5,18 @@ public class Circle extends Shape {
public Circle(double radius) { public Circle(double radius) {
super("円"); super("円");
this.radius = radius; this.radius = radius;
} }
@Override @Override
public double area() { public double area() {
double num; return Math.PI * radius * radius;
num = Math.PI * radius * radius;
return num;
} }
@Override @Override
public void showInfo() { public void showInfo() {
super.showInfo(); super.showInfo();
System.out.println("(半径:" + this.radius + ")"); System.out.println("(半径:" + this.radius + ")");
} }
} }

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@@ -1,13 +0,0 @@
public class Day3Check1 {
public static void main(String[] args) {
Circle circle = new Circle(2);
circle.showInfo();
Rectangle rectangle = new Rectangle(3,4);
rectangle.showInfo();
Greeting greeting = new JapaneseGreeting();
System.out.println(greeting.hello());
}
}

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@@ -0,0 +1,13 @@
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 Rectangle = new Rectangle(3, 4);
Rectangle.showInfo();
Greeting greeting = new JapaneseGreeting();
System.out.println(greeting.hello());
}
}

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@@ -2,9 +2,13 @@
public class Day3Check3 { public class Day3Check3 {
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
Shape shape1 = new Circle(2); Shape shape1 = new Circle(2);
shape1.showInfo(); shape1.showInfo();
Shape shape2 = new Rectangle(3, 4); Shape shape2 = new Rectangle(3, 4);
shape2.showInfo(); shape2.showInfo();
} }

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@@ -0,0 +1,9 @@
public class DayCheck1 {
public static void main(String[] args) {
Circle radius = new Circle(2);
radius.showInfo();
}
}

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@@ -1,8 +1,12 @@
public class DepartmentDate extends BaseDate { public class DepartmentData extends BaseData {
private String idDepartment; private String idDepartment;
private String nmDepartment; private String nmDepartment;
public DepartmentData(String idDepartment, String nmDepartment) {
setIdDepartment(idDepartment);
setNmDepartment(nmDepartment);
}
public String getIdDepartment() { public String getIdDepartment() {
return idDepartment; return idDepartment;
@@ -22,20 +26,14 @@ public class DepartmentDate extends BaseDate {
@Override @Override
public String toString() { public String toString() {
String str1 = (getIdDepartment() + "\t" + getNmDepartment()); return getIdDepartment() + "\t" + getNmDepartment();
return str1;
} }
@Override
public String toCSV() { public String toCSV() {
String str2 = (getIdDepartment() + "," + getNmDepartment()); return getIdDepartment() + "," + getNmDepartment();
return str2;
} }
@Override
public String getPrimaryKeyValue() { public String getPrimaryKeyValue() {
String str3 = (getIdDepartment()); return getIdDepartment();
return str3;
} }
} }

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@@ -1,11 +1,27 @@
public class EmployeeData extends BaseDate { public class EmployeeData extends BaseData {
private String idEmployee; private String idEmployee;
private String nmEmployee; private String nmEmployee;
private String knEmployee; private String knEmployee;
private String mailAddress; private String mailAddress;
private String password; private String password;
private String idDepartment; private String idDepartment;
private static int empCount = 0;
EmployeeData() {
empCount = empCount + 1;
}
EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password,
String idDepartment) {
setIdEmployee(idEmployee);
setNmEmployee(nmEmployee);
setKnEmployee(knEmployee);
setMailAddress(mailAddress);
setPassword(password);
setIdDepartment(idDepartment);
empCount = empCount + 1;
}
public String getIdEmployee() { public String getIdEmployee() {
return idEmployee; return idEmployee;
@@ -20,8 +36,17 @@ public class EmployeeData extends BaseDate {
} }
public void setNmEmployee(String nmEmployee) { public void setNmEmployee(String nmEmployee) {
// 2日目段階8
// String stripped = nmEmployee.strip();
// int length = stripped.length();
// if (nmEmployee == null) {
// System.out.println("社員名が空のため設定できませんでした");
// }
// if (length == 0) {
// 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; this.nmEmployee = nmEmployee;
} }
public String getKnEmployee() { public String getKnEmployee() {
return knEmployee; return knEmployee;
@@ -55,64 +80,36 @@ public class EmployeeData extends BaseDate {
this.idDepartment = idDepartment; this.idDepartment = idDepartment;
} }
public static int getEmpCount() {
return empCount;
}
public static void setEmpCount(int empCount) {
EmployeeData.empCount = empCount;
}
@Override @Override
public String toString() { public String toString() {
String str; return getIdEmployee() + "\t" + getNmEmployee() + "\t" + getKnEmployee() + "\t" + getMailAddress()
str = (getIdEmployee() + "\t" + getNmEmployee() + "\t" + getKnEmployee() + "\t" + getMailAddress() + "\t" + getPassword() + "\t" + getIdDepartment();
+ "\t" + getPassword() + "\t" + getIdDepartment());
return str;
} }
private static int empCount = 0; // public boolean isMatchId(String id) {
//
// return idEmployee.equals(id);
//
// }
public EmployeeData() {
empCount++;
}
//
public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password,
String idDepartment) {
idEmployee = idEmployee.trim();
int in =idEmployee.length();
if (in==0) {
nmEmployee ="社員IDが空のため設定できませんでした";
}
this.setIdEmployee(idEmployee);
nmEmployee = nmEmployee.trim();
int i =nmEmployee.length();
if (i==0) {
nmEmployee ="社員名がからのため設定できませんでした";
}
this.setNmEmployee(nmEmployee);
this.setKnEmployee(knEmployee);
this.setMailAddress(mailAddress);
this.setPassword(password);
this.setIdDepartment(idDepartment);
empCount++;
}
static int getEmpCount() {
int result = empCount;
return result;
}
@Override
public String toCSV() { public String toCSV() {
String str; return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," + getMailAddress()
str = (getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," + getMailAddress() + "," + getPassword() + "," + getIdDepartment();
+ "," + getPassword() + "," + getIdDepartment());
return str;
} }
@Override
public String getPrimaryKeyValue() { public String getPrimaryKeyValue() {
return idEmployee; return idEmployee;
} }
public boolean isMatchId(String id) {
// System.out.println(id + "を検索します");
if(id.equals(idEmployee)) {
return true;
} else {
return false;
} public static int empCount() {
return empCount;
} }
} }

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@@ -4,6 +4,19 @@ public class Item {
private int price; private int price;
private int stock; private int stock;
// void sell(int amount) {
// this.stock = this.stock - amount;
public void sell(int amount) {
setStock(this.getStock() - amount);
}
@Override
public String toString() {
String output = getName() + " " + getPrice() + "円 (残り" + getStock() + "個)";
return output;
}
public String getName() { public String getName() {
return name; return name;
} }
@@ -28,12 +41,4 @@ public class Item {
this.stock = stock; this.stock = stock;
} }
void sell(int amount) {
this.setStock(this.getStock() - amount);
}
public String toString() {
String str = getName() + " " + getPrice() + "円 (残り" + getStock() + "個)";
return str;
}
} }

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@@ -1,9 +1,10 @@
public class JapaneseGreeting implements Greeting { public class JapaneseGreeting implements Greeting {
@Override @Override
public String hello() { public String hello() {
String str =("こんにちは"); // TODO 自動生成されたメソッド・スタブ
return str; return "こんにちは";
} }
} }

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@@ -1,184 +1,79 @@
import java.util.ArrayList;
import java.util.Scanner; import java.util.Scanner;
public class Main { public class Main {
public static void main(String[] args) { public static void main(String[] args) {
ArrayList<EmployeeData> list = new ArrayList<>(); // TODO 自動生成されたメソッド・スタブ
list.add(new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10"));
list.add(new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "11"));
list.add(new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "12"));
list.add(new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "13"));
list.add(new EmployeeData("10004", "三宅武", "ミヤケタケシ", "miya@hoge.jp", "eee", "14"));
// list.add("10 役員");
// list.add("11 人事・総務部");
// list.add("12 経理部");
// list.add("13 システム開発事業部");
// list.add("14 教育事業部");
// list.add("15 営業企画部");
String str1 = (" "); while (true) {
while (!str1.equals("0")) {
System.out.println("1:検索 2:登録 3:更新: 4:削除 0:終了");
Scanner sc1 = new Scanner(System.in);
str1 = sc1.nextLine();
System.out.println(str1);
if (str1.equals("1")) {
System.out.println("1:全検索 2:条件検索 それ以外:戻る");
Scanner sc2 = new Scanner(System.in);
String str2 = sc2.nextLine();
System.out.println(str2);
if (str2.equals("1")) {
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
} else if (str2.equals("2")) {
System.out.println("検索したい社員IDを入力してください");
Scanner sc3 = new Scanner(System.in);
String str3 = sc3.nextLine();
for (int j = 0; j < list.size(); j++) {
if (list.get(j).getIdEmployee().equals(str3)) {
System.out.println(list.get(j));
break;
} else if (!list.get(j).getIdEmployee().equals(str3) && j == list.size()) {
System.out.println("入力された値で情報が見つかりませんでした");
}
}
}
} else if (str1.equals("2")) {
System.out.println("社員IDを入力してください");
Scanner sc4 = new Scanner(System.in);
String str4 = sc4.nextLine();
System.out.println(str4);
System.out.println("社員名を入力してください");
Scanner sc5 = new Scanner(System.in);
String str5 = sc5.nextLine();
System.out.println(str5);
System.out.println("フリガナを入力してください");
Scanner sc6 = new Scanner(System.in);
String str6 = sc6.nextLine();
System.out.println(str6);
System.out.println("メールアドレスを入力してください");
Scanner sc7 = new Scanner(System.in);
String str7 = sc7.nextLine();
System.out.println(str7);
System.out.println("パスワードを入力してください");
Scanner sc8 = new Scanner(System.in);
String str8 = sc8.nextLine();
System.out.println(str8);
System.out.println("部署IDを入力してください");
Scanner sc9 = new Scanner(System.in);
String str9 = sc9.nextLine();
System.out.println(str9);
System.out.println("登録が完了しました");
list.add(new EmployeeData(str4, str5, str6, str7, str8, str9));
} else if (str1.equals("3")) { System.out.println("検索したい社員IDを入力してください(終了したい場合は0)");
System.out.println("社員IDを入力してください"); Scanner scanner = new Scanner(System.in);
Scanner sc4 = new Scanner(System.in); String id = scanner.nextLine();
String str4 = sc4.nextLine(); boolean bo = false;
for (int k = 0; k < list.size(); k++) {
if (list.get(k).getIdEmployee().equals(str4)) { BaseData[] allData = new BaseData[11];
System.out.println(str4);
System.out.println("社員名を入力してください"); BaseData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
Scanner sc5 = new Scanner(System.in);
String str5 = sc5.nextLine(); BaseData employee1 = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10");
System.out.println(str5);
System.out.println("フリガナを入力してください"); BaseData employee2 = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11");
Scanner sc6 = new Scanner(System.in);
String str6 = sc6.nextLine(); BaseData employee3 = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
System.out.println(str6);
System.out.println("メールアドレスを入力してください"); BaseData employee4 = new EmployeeData("10004", "三宅武", "ミヤケタケシ", "miya@hoge.jp,eee", "eee", "13");
Scanner sc7 = new Scanner(System.in);
String str7 = sc7.nextLine(); allData[0] = employee;
System.out.println(str7); allData[1] = employee1;
System.out.println("パスワードを入力してください"); allData[2] = employee2;
Scanner sc8 = new Scanner(System.in); allData[3] = employee3;
String str8 = sc8.nextLine(); allData[4] = employee4;
System.out.println(str8);
System.out.println("部署IDを入力してください"); BaseData dept = new DepartmentData("10", "役員");
Scanner sc9 = new Scanner(System.in); BaseData dept1 = new DepartmentData("11", "人事・総務部");
String str9 = sc9.nextLine(); BaseData dept2 = new DepartmentData("12", "経理部");
System.out.println(str9); BaseData dept3 = new DepartmentData("13", "システム開発事業部");
System.out.println("更新が完了しました"); BaseData dept4 = new DepartmentData("14", "教育事業部");
list.set(k, new EmployeeData(str4, str5, str6, str7, str8, str9)); BaseData dept5 = new DepartmentData("15", "営業企画部");
break;
} else if (!list.get(k).getIdEmployee().equals(str4) && k == list.size()) { allData[5] = dept;
System.out.println("入力された値で情報が見つかりませんでした"); allData[6] = dept1;
} allData[7] = dept2;
} allData[8] = dept3;
} else if (str1.equals("4")) { allData[9] = dept4;
System.out.println("削除するIDを入力してください"); allData[10] = dept5;
Scanner sc4 = new Scanner(System.in);
String str4 = sc4.nextLine(); // for (int i = 0; i < allData.length; i++) {
for (int l = 0; l < list.size(); l++) { // System.out.println(allData[i]);
if (list.get(l).getIdEmployee().equals(str4)) { // }
System.out.println("指定されたIDの情報を削除します? y/Y"); // System.out.println("現在の社員データ件数"+ EmployeeData.getEmpCount()+ "件");
System.out.println("y/Y以外の入力であればキャンセル");
Scanner sc5 = new Scanner(System.in); for (int i = 0; i < allData.length; i++) {
String str5 = sc5.nextLine();
System.out.println(str5); // System.out.println(employees[i]);
if (str5.equals("y") || str5.equals("Y")) { if (allData[i].getPrimaryKeyValue().equals(id)) {
list.remove(l); bo = true;
System.out.println("削除されました"); System.out.println(allData[i]);
break;
} else { // System.out.println(employee.toCSV());
System.out.println("入力された値で情報が見つかりませんでした"); // System.out.println(employee.getPrimaryKeyValue());
}
}
} }
// employees[i].isMatchId("10002");
// employees[i].isMatchId("99999");
continue;
} }
if (bo == false && !id.equals("0")) {
System.out.println("該当する社員が見つかりませんでした");
}
if (id.equals("0")) {
System.out.println("システムを終了します");
break;
}
} }
System.out.println("システムを終了します");
// num1 = 0;
// int num2 = 0;
// for (int i = 0; i <= 10; i++) {
// if (alldate[i] instanceof EmployeeData) {
// num1++;
// EmployeeData emp = (EmployeeData) alldate[i];
// System.out.println(emp.getMailAddress());
// } else {
// num2++;
// System.out.println(alldate[i]);
// }
// }
// System.out.println("社員データ:" + num1 + "件");
// System.out.println("部署データ" + num2 + "件");
// int j = EmployeeData.getEmpCount();
// System.out.println("現在の社員データ件数;" + j + "件");
// String id = ("");
// for (int k = 0; k <= 10; k++) {
// if (alldate[k] instanceof DepartmentDate) {
// DepartmentDate dep = (DepartmentDate) alldate[k];
// if (dep.getNmDepartment().equals("システム開発事業部")) {
// id = dep.getIdDepartment();
// break;
// }
// }
// }
// for (int l = 0; l < 10; l++) {
// if (alldate[l] instanceof EmployeeData) {
// EmployeeData emp = (EmployeeData) alldate[l];
// if (emp.getIdDepartment().equals(id)) {
// System.out.println(emp.getNmEmployee() + " " + emp.getMailAddress());
// }
// }
// }
// System.out.println(employee[0].toCSV());
// System.out.println(employee[0].getPrimaryKeyValue());
// String str = "";
// while (!str.equals("0")) {
// 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)");
// Scanner sc3 = new Scanner(System.in);
// str = sc.nextLine();
// for (int m = 0; m <= 4; m++) {
// if (employee[m].getPrimaryKeyValue().equals(str)) {
// System.out.println(employee[m]);
// break;
// } else if (!employee[m].getPrimaryKeyValue().equals(str) && m == 4 && !str.equals("0")) {
// System.out.println("該当する社員が見つかりませんでした");
// }
// }
// System.out.println("システムを終了します");
} }
} }

18
em-oop/src/Rectangle.java Normal file
View File

@@ -0,0 +1,18 @@
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() {
return width * height;
}
}

View File

@@ -2,13 +2,14 @@
public abstract class Shape { public abstract class Shape {
private String name; private String name;
public Shape (String name) { public Shape(String name) {
this.name = name; this.name = name;
} }
public abstract double area() ; public abstract double area();
public void showInfo() { public void showInfo() {
System.out.println(this.name + "の面積は" +this.area() + "です"); System.out.println(this.name + "の面積は" + this.area() + "です");
} }
} }

View File

@@ -2,17 +2,24 @@
public class Student { public class Student {
int studentId; int studentId;
String name; String name;
static int studentCount = 0;
void printProfile() { {
System.out.println("学籍番号;"+this.studentId+" 名前;"+this.name); studentCount++;
} }
static int studentCount = 0;
public Student (int studentId,String name){ Student(int studentId, String name) {
this.studentId = studentId; this.studentId = studentId;
this.name = name; this.name = name;
studentCount++; }
}
static int getStudentCount() { public static int getStudentCount() {
return studentCount; return studentCount;
} }
void printProfile() {
System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
}
} }