17 Commits

Author SHA1 Message Date
f1ffaf5116 3日目 段階1 小澤 2026-09-16 14:57:08 +09:00
bd691238e7 2日目 コミットしてなかった分 2026-09-16 14:56:47 +09:00
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
20 changed files with 233 additions and 368 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>

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

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@@ -2,12 +2,21 @@
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(); Book book1 = new Book();
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(book1.title + "\n" + book1.author + "\n" + book1.price); // book.title = "吾輩は猫である";
System.out.println(book2.title + "\n" + book2.author + "\n" + book2.price); // book.author = "夏目漱石";
// book.price = 800;
System.out.println(book1.title);
System.out.println(book1.author);
System.out.println(book1.price);
System.out.println(book2.title);
System.out.println(book2.author);
System.out.println(book2.price);
} }

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@@ -1,7 +1,6 @@
public class BasicCheck2 { public class BasicCheck2 {
public static void main(String[] args) { public static void main(String[] args) {
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");
@@ -10,14 +9,13 @@ public class BasicCheck2 {
student2.printProfile(); student2.printProfile();
student3.printProfile(); student3.printProfile();
System.out.println("現在の生徒数:"+Student.getStudentCount()+"人");
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();
} }
} }

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@@ -6,26 +6,30 @@ public class BasicCheck3 {
items[1] = new Item(); items[1] = new Item();
items[2] = new Item(); items[2] = new Item();
items[0].setName("ノート"); items[0].setName("ノート") ;
items[1].setName("消しゴム");
items[2].setName("鉛筆");
items[0].setPrice(120); items[0].setPrice(120);
items[1].setPrice(80);
items[2].setPrice(60);
items[0].setStock(50); items[0].setStock(50);
items[1].setName("消しゴム");
items[1].setPrice(80);
items[1].setStock(30); items[1].setStock(30);
items[2].setName("鉛筆");
items[2].setPrice(60);
items[2].setStock(100); items[2].setStock(100);
for (int i = 0; i < items.length; i++) {
for(int i=0;i<3;i++) {
items[i].sell(5); items[i].sell(5);
System.out.println(items[i].getName() + " " + items[i].getPrice() + "円 (残り" + items[i].getStock() + "個) "); System.out.println(items[i]);
// System.out.println("合計金額 " + items[i].totalPrice() + "円"); // System.out.println("合計金額:"+items[i].totalPrice());
// System.out.println(); }
} }
}
} }

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@@ -1,22 +1,20 @@
public class Book { public class Book {
String title; String title;
String author; String author;
int price; int price;
public Book() { public Book() {
this.title = "タイトル未設定"; 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 = 0; this.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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@@ -1,11 +0,0 @@
public class Day3Check2 {
public static void main(String[] args) {
Rectangle rect = new Rectangle(3, 4);
rect.showInfo();
Greeting greeting = new JapaneseGreeting();
System.out.println(greeting.hello());
}
}

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@@ -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();
}
}

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@@ -1,39 +0,0 @@
public class DepartmentData extends BaseData {
private String idDepartment, nmDepartment;
public DepartmentData(String idDepartment,String nmDepartment) {
this.setIdDepartment(idDepartment);
this.setNmDepartment(nmDepartment);
return;
}
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() {
return getIdDepartment() + "\t" + getNmDepartment();
}
public String toCSV() {
return getIdDepartment() + "," + getNmDepartment();
}
public String getPrimaryKeyValue() {
return getIdDepartment();
}
}

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@@ -1,30 +1,50 @@
public class EmployeeData extends BaseData { public class EmployeeData {
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; private static int empCount = 0;
static int getempCount() { static final String COMPANY_NAME = "Rhizome";
return empCount;
}
public EmployeeData() {
empCount++;
@Override
public String toString() {
return getIdEmployee() + "\t" + getNmEmployee() + " " + getKnEmployee() + "\t" + getMailAddress()
+ "\t" + getPassword() + "\t" + getIdDepartment();
} }
static int getEmpCount() { static int getEmpCount() {
return empCount; return empCount;
} }
//getNmEmployee.strip();
public EmployeeData() {
empCount++;
}
public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password, public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password,
String idDepartment) { String idDepartment) {
nmEmployee = nmEmployee.strip();
int nmNum = nmEmployee.length();
idEmployee = idEmployee.strip();
int idNum = idEmployee.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 (idNum == 0) {
System.out.println("社員IDが空のため設定できませんでした");
}
if (nmNum > 0 && idNum > 0) {
this.setIdEmployee(idEmployee); this.setIdEmployee(idEmployee);
this.setNmEmployee(nmEmployee); this.setNmEmployee(nmEmployee);
this.setKnEmployee(knEmployee); this.setKnEmployee(knEmployee);
@@ -34,34 +54,27 @@ public class EmployeeData extends BaseData {
empCount++; empCount++;
} }
}
public String getIdEmployee() { public String getIdEmployee() {
return idEmployee; return this.idEmployee;
} }
public void setIdEmployee(String idEmployee) { public void setIdEmployee(String idEmployee) {
this.idEmployee = idEmployee; this.idEmployee = idEmployee;
if (idEmployee == null || idEmployee.strip().isEmpty()) {
System.out.println("社員IDが空のため設定できませんでした");
return;
}
} }
public String getNmEmployee() { public String getNmEmployee() {
return nmEmployee; return nmEmployee;
} }
public void setNmEmployee(String nmEmployee) { public void setNmEmployee(String nmEMployee) {
this.nmEmployee = nmEmployee; this.nmEmployee = nmEMployee;
if (nmEmployee == null || nmEmployee.strip().isEmpty()) {
System.out.println("社員名が空のため設定できませんでした");
return;
}
} }
public String getKnEmployee() { public String getKnEmployee() {
return knEmployee; return this.knEmployee;
} }
public void setKnEmployee(String knEmployee) { public void setKnEmployee(String knEmployee) {
@@ -69,7 +82,7 @@ public class EmployeeData extends BaseData {
} }
public String getMailAddress() { public String getMailAddress() {
return mailAddress; return this.mailAddress;
} }
public void setMailAddress(String mailAddress) { public void setMailAddress(String mailAddress) {
@@ -92,30 +105,4 @@ public class EmployeeData extends BaseData {
this.idDepartment = idDepartment; this.idDepartment = idDepartment;
} }
@Override
public String toString() {
return (this.getIdEmployee() + "\t" + this.getNmEmployee() + "\t" + this.getKnEmployee() + "\t"
+ this.getMailAddress() + "\t" + this.getPassword() + "\t" + this.getIdDepartment());
}
@Override
public String toCSV() {
return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," + getMailAddress() + ","
+ getPassword() + "," + getIdDepartment();
}
public String getPrimaryKeyValue() {
return getIdEmployee();
}
public boolean isMatchId(String id) {
if (id == null || this.idEmployee == null) {
return false;
}
return this.idEmployee.equals(id);
}
} }

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

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@@ -5,41 +5,39 @@ public class Item {
private int stock; private int stock;
public void sell(int amount) { public void sell(int amount) {
this.setStock(this.getStock() - amount); this.setStock(this.getStock()-amount) ;
} }
public int totalPrice() { public int totalPrice() {
return price * stock; return this.price*this.stock;
} }
@Override @Override
public String toString() { public String toString() {
return (getName() + " " + getPrice() + "円 (残り" + getStock() + "個"); return getName()+" "+getPrice()+"円(残り"+getStock()+"個)";
} }
public String getName() { public String getName() {
return name; return this.name;
}
public void setName(String name) {
this.name=name;
} }
public void setName(String name) {
this.name = name;
}
public int getPrice() { 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() { public int getStock() {
return stock; return this.stock;
} }
public void setStock(int stock) { public void setStock(int stock) {
this.stock = stock; this.stock=stock;
} }
} }

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@@ -1,8 +0,0 @@
public class JapaneseGreeting implements Greeting {
@Override
public String hello() {
return "こんにちは";
}
}

View File

@@ -1,130 +1,76 @@
public class Main { public class Main {
public static void main(String[] args) { public static void main(String[] args) {
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();
// while (true) {
// Scanner scanner = new Scanner(System.in);
// 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)");
// String input = scanner.nextLine();
BaseData[] employees = new BaseData[5];
// BaseData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
BaseData[] allData = new BaseData[11];
//
allData[0] = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10"); // employee[0].setIdEmployee("10000");
allData[1] = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10"); // employee[0].setNmEmployee("山田龍也");
allData[2] = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11"); // employee[0].setKnEmployee("ヤマダタツヤ");
allData[3] = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12"); // employee[0].setMailAddress("yamada@hoge.jp");
allData[4] = new EmployeeData("10004", "三宅武", "ミタケタケシ", "miya@hoge.jp", "eee", "13"); // employee[0].setPassword("aaa");
allData[5] = new DepartmentData("10", "役員"); // employee[0].setIdDepartment("10");
allData[6] = new DepartmentData("11", "人事・総務部"); //
allData[7] = new DepartmentData("12", "経理"); employee[1].setIdEmployee("10001");
allData[8] = new DepartmentData("13", "システム開発事業部"); employee[1].setNmEmployee("高橋準");
allData[9] = new DepartmentData("14", "教育事業部"); employee[1].setKnEmployee("タカハシジュン");
allData[10] = new DepartmentData("15", "営業企画部"); employee[1].setMailAddress("jtaka@hoge.jp");
employee[1].setPassword("bbb");
employee[1].setIdDepartment("10");
// String targetDeptId = ""; employee[2].setIdEmployee("10002");
// employee[2].setNmEmployee("麻枝史明");
// for (int i = 0; i < allData.length; i++) { employee[2].setKnEmployee("マエダフミアキ");
// employee[2].setMailAddress("fmak@hoge.jp");
// if (allData[i] instanceof DepartmentData) { employee[2].setPassword("ccc");
// DepartmentData dept = (DepartmentData) allData[i]; employee[2].setIdDepartment("11");
//
// if (dept.getNmDepartment().equals("システム開発事業部")) {
// targetDeptId = dept.getIdDepartment();
// break;
// }
// }
// }
//
// for (int i = 0; i < allData.length; i++) {
// if (allData[i] instanceof EmployeeData) {
// EmployeeData emp = (EmployeeData) allData[i];
// if (emp.getIdDepartment().equals(targetDeptId)) {
// System.out.println(emp.getNmEmployee() + "\t" + emp.getMailAddress());
// }
// }
// }
// int count = 0; employee[3].setIdEmployee("10003");
// int countt = 0; employee[3].setNmEmployee("丸戸章介");
// for (int i = 0; i < allData.length; i++) { employee[3].setKnEmployee("マルトショウスケ");
// if (allData[i] instanceof EmployeeData) { employee[3].setMailAddress("marusyo@hoge.jp");
// // count++; employee[3].setPassword("ddd");
// EmployeeData emp = (EmployeeData) allData[i]; employee[3].setIdDepartment("12");
//
// System.out.println(emp.getMailAddress());
// else if (allData[i] instanceof DepartmentData) { employee[4].setIdEmployee("10004");
// countt++; 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");
//
// System.out.println("社員のデータ:" + count + "件");
// System.out.println("部署のデータ:" + countt + "件");
// System.out.println(allData[i]); for(int i=0;i<5;i++) {
if(employee[i].getNmEmployee()==null) {
// employees[0] = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10"); continue;
// 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", "ミタケタケシ", "miya@hoge.jp", "eee", "13");
// //
// for (int i = 0; i < employees.length; i++) {
// System.out.println(allData[i]);
// }
// System.out.println("現在の社員データ件数:" + EmployeeData.getEmpCount() + "件");
if (allData[0] instanceof EmployeeData) {
EmployeeData sampleEmp = (EmployeeData) allData[0];
sampleEmp.setNmEmployee("");
} }
if (allData[0] instanceof EmployeeData) { System.out.println(employee[i]);
EmployeeData sampleEmp = (EmployeeData) allData[0];
sampleEmp.setIdEmployee("");
} }
// String serchId1 = "10002";
// System.out.println(serchId1 + "を検索します");
// boolean bo = false;
// for (int i = 0; i < employees.length; i++) {
// if (((EmployeeData) employees[i]).isMatchId(serchId1)) {
// bo = true;
// break;
// }
//
// }
// System.out.println(bo);
// String serchId2 = "99999";
// System.out.println(serchId2 + "を検索します");
// boolean bl = false;
// for (int i = 0; i < employees.length; i++) {
// if (((EmployeeData) employees[i]).isMatchId(serchId2)) {
// bl = true;
// break;
// }
// }
// System.out.println(bl);
// boolean a = false; System.out.println("現在の社員データ数"+EmployeeData.getEmpCount());
// for (int i = 0; i < employees.length; i++) {
// if (((EmployeeData) employees[i]).isMatchId(input)) { System.out.println(EmployeeData.COMPANY_NAME);
// a = true;
// System.out.println(employees[i]); // System.out.println();
// break; // System.out.println(employee.nmEmployee);
// // System.out.println(employee.knEmployee);
// } // System.out.println(employee.mailAddress);
// } // System.out.println(employee.password);
// if (!a) { // System.out.println(employee.idDepartment);
// System.out.println("該当する社員が見つかりませんでした");
// }
// if (input.equals("0")) {
// System.out.println("システムを終了します");
// break;
// }
// System.out.println(employee.toCSV());
// System.out.println(employee.getPrimaryKeyValue());
} }
} }

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@@ -1,17 +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;
}
@Override
public double area() {
return width * height;
}
}

View File

@@ -2,20 +2,20 @@
public class Student { public class Student {
int studentId; int studentId;
String name; String name;
static int studentCount = 0; static int studentCount = 0;
public void printProfile () { public void printProfile() {
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) { public Student(int studentId, String name) {
this.studentId = studentId; this.studentId = studentId;
this.name = name; this.name = name;
studentCount++; studentCount++;
} }
static int getStudentCount() { public static int getStudentCount() {
return studentCount; return studentCount;
} }

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@@ -1,20 +1,22 @@
package day3_123;
public class Circle extends Shape { public class Circle extends Shape {
private double radius; private double radius;
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() {
return Math.PI * radius * radius; return Math.PI*radius*radius;
} }
@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+")");
} }
} }

View File

@@ -1,8 +1,10 @@
package day3_123;
public class Day3Check1 { public class Day3Check1 {
public static void main(String[] args) { public static void main(String[] args) {
Circle radius = new Circle(2); Circle circle=new Circle(2);
radius.showInfo(); circle.showInfo();
} }
} }

View File

@@ -1,15 +1,15 @@
package day3_123;
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");
} }
} }