15 Commits

Author SHA1 Message Date
cbbfae71fb 2日目 段階8 小澤 2026-09-15 16:37:48 +09:00
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
e0c36acb0d 2日目 段階6 小澤 2026-09-15 15:44:07 +09:00
bb15d0a2c6 2日目 段階5 小澤 2026-09-15 15:28:56 +09:00
1abebc37e0 2日目 段階3 小澤 2026-09-15 15:28:32 +09:00
a3ddbaed43 2日目 段階2 小澤 2026-09-15 14:02:17 +09:00
992bd30434 2日目 段階1 小澤 2026-09-15 13:18:13 +09:00
bbf7ac5628 1日目 段階6 小澤 2026-09-15 13:05:54 +09:00
9e5eb3c7c5 0914 段階5 小澤 2026-09-14 16:41:08 +09:00
e36f1ceb03 0914 段階4 小澤 2026-09-14 16:30:29 +09:00
ffe4c91806 0914 段階3 <余裕がある人向け>を追加 2026-09-14 16:22:39 +09:00
1b2d0829d1 0914 段階3 小澤 2026-09-14 16:07:03 +09:00
28076595d2 0914 段階2 2026-09-14 15:09:56 +09:00
bb6a9dba94 0914 段階1 2026-09-14 15:02:02 +09:00
8350370dbd 0914 2026-09-14 14:48:29 +09:00
19 changed files with 242 additions and 430 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*
/.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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@@ -1,7 +0,0 @@
public abstract class BaseDate {
public abstract String toString();
public abstract String toCSV();
public abstract String getPrimaryKeyValue();
}

View File

@@ -4,14 +4,20 @@ 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 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);
}
}

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@@ -1,17 +1,21 @@
public class BasicCheck2 {
public static void main(String[] args) {
// 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 student2 = new Student(2,"田中花子");
Student student3 = new Student(3,"佐藤次郎");
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.printProfile();
student2.printProfile();
student3.printProfile();
int total=Student.getStudentCount();
System.out.println("現在の生徒数" + total + "人");
System.out.println("現在の生徒数:"+Student.getStudentCount()+"人");
// student.studentId = 1;
// student.name = "鈴木一郎";
//
// student.printProfile();
}
}

View File

@@ -1,28 +1,35 @@
public class BasicCheck3 {
public static void main(String[] args) {
// 配列
Item[] items = new Item[3];
items[0] = new Item();
items[1] = new Item();
items[2] = new Item();
//items[0]代入
items[0].setName("ノート");
items[0].setName("ノート") ;
items[0].setPrice(120);
items[0].setStock (50);
//items[1]代入
items[0].setStock(50);
items[1].setName("消しゴム");
items[1].setPrice(80);
items[1].setStock(30);
//items[2]代入
items[2].setName("鉛筆");
items[2].setPrice(60);
items[2].setStock(100);
for (int i=0; i<=2; i++) {
for(int i=0;i<3;i++) {
items[i].sell(5);
System.out.println(items[i]);
// System.out.println("合計金額:"+items[i].totalPrice());
}
}
}

View File

@@ -4,15 +4,17 @@ public class Book {
String author;
int price;
public Book () {
title = "タイトル未設定";
author = "著者未設定";
price = 0;
public Book() {
this.title="タイトル未設定";
this.author="著者未設定";
this.price=0;
}
public Book(String title,String author,int price) {
this.title = title;
this.author = author;
this.price = price;
this.title=title;
this.author=author;
this.price=price;
}
}

View File

@@ -1,20 +0,0 @@
public class Circle extends Shape {
private double radius;
public Circle(double radius) {
super("円");
this.radius = radius;
}
@Override
public double area() {
double num;
num = Math.PI * radius * radius;
return num;
}
@Override
public void showInfo() {
super.showInfo();
System.out.println("(半径:" + this.radius + ")");
}
}

View File

@@ -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());
}
}

View File

@@ -1,11 +0,0 @@
public class Day3Check3 {
public static void main(String[] args) {
Shape shape1 = new Circle(2);
shape1.showInfo();
Shape shape2 = new Rectangle(3, 4);
shape2.showInfo();
}
}

View File

@@ -1,41 +0,0 @@
public class DepartmentDate extends BaseDate {
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() {
String str1 = (getIdDepartment() + "\t" + getNmDepartment());
return str1;
}
@Override
public String toCSV() {
String str2 = (getIdDepartment() + "," + getNmDepartment());
return str2;
}
@Override
public String getPrimaryKeyValue() {
String str3 = (getIdDepartment());
return str3;
}
}

View File

@@ -1,17 +1,62 @@
public class EmployeeData extends BaseDate {
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 final String COMPANY_NAME = "Rhizome";
@Override
public String toString() {
return getIdEmployee() + "\t" + getNmEmployee() + " " + getKnEmployee() + "\t" + getMailAddress()
+ "\t" + getPassword() + "\t" + getIdDepartment();
}
static int getEmpCount() {
return empCount;
}
//getNmEmployee.strip();
public EmployeeData() {
empCount++;
}
public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password,
String idDepartment) {
nmEmployee=nmEmployee.strip();
int nmNum = nmEmployee.length();
if(nmNum==0) {
System.out.println("社員名が空のため設定できませんでした");
}
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 idEmployee;
return this.idEmployee;
}
public void setIdEmployee(String idEmployee) {
this.idEmployee = idEmployee;
}
@@ -19,12 +64,12 @@ public class EmployeeData extends BaseDate {
return nmEmployee;
}
public void setNmEmployee(String nmEmployee) {
this.nmEmployee = nmEmployee;
}
public void setNmEmployee(String nmEMployee) {
this.nmEmployee = nmEMployee;
}
public String getKnEmployee() {
return knEmployee;
return this.knEmployee;
}
public void setKnEmployee(String knEmployee) {
@@ -32,7 +77,7 @@ public class EmployeeData extends BaseDate {
}
public String getMailAddress() {
return mailAddress;
return this.mailAddress;
}
public void setMailAddress(String mailAddress) {
@@ -55,64 +100,8 @@ public class EmployeeData extends BaseDate {
this.idDepartment = idDepartment;
}
@Override
public String toString() {
String str;
str = (getIdEmployee() + "\t" + getNmEmployee() + "\t" + getKnEmployee() + "\t" + getMailAddress()
+ "\t" + getPassword() + "\t" + getIdDepartment());
return str;
}
private static int empCount = 0;
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() {
String str;
str = (getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," + getMailAddress()
+ "," + getPassword() + "," + getIdDepartment());
return str;
}
@Override
public String getPrimaryKeyValue() {
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;
}
}
}

View File

@@ -1,4 +0,0 @@
public interface Greeting {
String hello();
}

View File

@@ -4,36 +4,40 @@ public class Item {
private int price;
private int stock;
public String getName() {
return name;
public void sell(int amount) {
this.setStock(this.getStock()-amount) ;
}
public void setName(String name) {
this.name = name;
public int totalPrice() {
return this.price*this.stock;
}
@Override
public String toString() {
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 price;
return this.price;
}
public void setPrice(int price) {
this.price=price;
}
public void setPrice(int price) {
this.price = price;
}
public int getStock() {
return stock;
return this.stock;
}
public void setStock(int stock) {
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;
}
}

View File

@@ -1,9 +0,0 @@
public class JapaneseGreeting implements Greeting {
@Override
public String hello() {
String str =("こんにちは");
return str;
}
}

View File

@@ -1,184 +1,73 @@
import java.util.ArrayList;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
ArrayList<EmployeeData> list = new ArrayList<>();
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");
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();
String str1 = (" ");
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("社員IDを入力してください");
Scanner sc4 = new Scanner(System.in);
String str4 = sc4.nextLine();
for (int k = 0; k < list.size(); k++) {
if (list.get(k).getIdEmployee().equals(str4)) {
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("更新が完了しました");
list.set(k, new EmployeeData(str4, str5, str6, str7, str8, str9));
break;
} else if (!list.get(k).getIdEmployee().equals(str4) && k == 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("4")) {
System.out.println("削除するIDを入力してください");
Scanner sc4 = new Scanner(System.in);
String str4 = sc4.nextLine();
for (int l = 0; l < list.size(); l++) {
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("y/Y以外の入力であればキャンセル");
Scanner sc5 = new Scanner(System.in);
String str5 = sc5.nextLine();
System.out.println(str5);
if (str5.equals("y") || str5.equals("Y")) {
list.remove(l);
System.out.println("削除されました");
break;
} else {
System.out.println("入力された値で情報が見つかりませんでした");
}
}
}
}
// 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");
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");
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");
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");
//
for(int i=0;i<5;i++) {
System.out.println(employee[i]);
}
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");
System.out.println("現在の社員データ数"+EmployeeData.getEmpCount());
System.out.println(EmployeeData.COMPANY_NAME);
// 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);
}
}

View File

@@ -1,14 +0,0 @@
public abstract class Shape {
private String name;
public Shape (String name) {
this.name = name;
}
public abstract double area() ;
public void showInfo() {
System.out.println(this.name + "の面積は" +this.area() + "です");
}
}

View File

@@ -2,17 +2,23 @@
public class Student {
int studentId;
String name;
static int studentCount = 0;
public void printProfile() {
System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
void printProfile() {
System.out.println("学籍番号;"+this.studentId+" 名前;"+this.name);
}
static int studentCount = 0;
public Student (int studentId,String name){
this.studentId = studentId;
this.name = name;
studentCount++;
}
static int getStudentCount() {
public Student(int studentId, String name) {
this.studentId = studentId;
this.name = name;
studentCount++;
}
public static int getStudentCount() {
return studentCount;
}
}
}