27 Commits

Author SHA1 Message Date
e1f7fc02f2 2日目の9段階目終了 2026-09-18 10:05:49 +09:00
60da179895 2日目の8段階目終了 2026-09-18 10:00:12 +09:00
5358280624 3日目の9段階目終了 2026-09-17 16:40:22 +09:00
989e8d7248 3日目の8段階目終了 2026-09-17 16:06:40 +09:00
928398cbc6 3日目の7段階目終了 2026-09-17 15:18:21 +09:00
59fd7f7ad3 3日目の6段階目終了 2026-09-17 14:57:00 +09:00
70b3359a0d 1日目段階9終了 2026-09-17 13:40:31 +09:00
e0c820be50 1日目の8段階目終わりました 2026-09-16 16:52:34 +09:00
1b541b05b5 1日目の7段階目終わりました 2026-09-16 16:22:27 +09:00
9abebd30aa 4段階目終わりました 2026-09-16 14:41:32 +09:00
85fc2596e5 3段階目終わりました 2026-09-16 13:53:02 +09:00
fd770903e4 2段階目終わりました 2026-09-16 13:48:36 +09:00
101991f33d 1段階目終わりました 2026-09-16 13:27:39 +09:00
6468a372ce 7段階目終わりました 2026-09-15 16:43:23 +09:00
782d0db2a9 6段階目終わりました 2026-09-15 16:21:10 +09:00
1158708741 5段階目終わりました 2026-09-15 16:10:54 +09:00
a76eb8d4a6 4段階目終わりました 2026-09-15 15:59:58 +09:00
623b7cc16a 3段階目終わりました 2026-09-15 15:46:57 +09:00
12f84a2a83 2段階目終わりました 2026-09-15 14:50:24 +09:00
2cc3a84a2d 1段階目終わりました 2026-09-15 14:30:41 +09:00
29cf120dbf 6段階目終わりました 2026-09-15 13:51:35 +09:00
e56a4c8bf9 5段階目終わりました 2026-09-15 13:07:00 +09:00
f8f6523954 4段階目終わりました 2026-09-14 16:54:20 +09:00
4ef8fca04f 3段階の追加問題終わりました 2026-09-14 16:41:41 +09:00
47cfdcf026 3段階目終わりました 2026-09-14 16:15:23 +09:00
04421c3a90 段階2終わりました 2026-09-14 15:22:18 +09:00
d694f1f22f 1段階目終わりました 2026-09-14 14:52:18 +09:00
22 changed files with 293 additions and 406 deletions

View File

@@ -1,6 +0,0 @@
<?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>

View File

@@ -1,17 +0,0 @@
<?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>

View File

@@ -1,8 +1,10 @@
public abstract class BaseData { 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();
} }

View File

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

View File

@@ -1,6 +1,7 @@
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");
@@ -9,13 +10,14 @@ 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();
} }
} }

View File

@@ -6,30 +6,26 @@ 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[0].setPrice(120);
items[0].setStock(50);
items[1].setName("消しゴム"); items[1].setName("消しゴム");
items[1].setPrice(80);
items[1].setStock(30);
items[2].setName("鉛筆"); items[2].setName("鉛筆");
items[0].setPrice(120);
items[1].setPrice(80);
items[2].setPrice(60); items[2].setPrice(60);
items[0].setStock(50);
items[1].setStock(30);
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]); System.out.println(items[i].getName() + " " + items[i].getPrice() + "円 (残り" + items[i].getStock() + "個) ");
// System.out.println("合計金額:"+items[i].totalPrice()); // System.out.println("合計金額 " + items[i].totalPrice() + "円");
} // System.out.println();
} }
}
} }

View File

@@ -1,20 +1,22 @@
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) {
this.title=title; public Book(String title, String author, int price) {
this.author=author; this.title = title;
this.price=price; this.author = author;
this.price = price;
} }
} }

View File

@@ -1,22 +1,20 @@
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

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

View File

@@ -0,0 +1,11 @@
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());
}
}

View File

@@ -1,12 +1,10 @@
package day3_123;
public class Day3Check3 { public class Day3Check3 {
public static void main(String[] args) { public static void main(String[] args) {
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();
} }

View File

@@ -1,7 +1,13 @@
public class DepartmentData extends BaseData { public class DepartmentData extends BaseData {
private String idDepartment; private String idDepartment, nmDepartment;
private String nmDepartment;
public DepartmentData(String idDepartment,String nmDepartment) {
this.setIdDepartment(idDepartment);
this.setNmDepartment(nmDepartment);
return;
}
public String getIdDepartment() { public String getIdDepartment() {
return idDepartment; return idDepartment;
@@ -23,13 +29,9 @@ public class DepartmentData extends BaseData {
public String toString() { public String toString() {
return getIdDepartment() + "\t" + getNmDepartment(); return getIdDepartment() + "\t" + getNmDepartment();
} }
@Override
public String toCSV() { public String toCSV() {
return getIdDepartment() + "," + getNmDepartment(); return getIdDepartment() + "," + getNmDepartment();
} }
@Override
public String getPrimaryKeyValue() { public String getPrimaryKeyValue() {
return getIdDepartment(); return getIdDepartment();
} }

View File

@@ -6,48 +6,23 @@ public class EmployeeData extends BaseData {
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 final String COMPANY_NAME = "Rhizome"; static int getempCount() {
public void showInfo() {
System.out.println(this.idEmployee + "\t" + this.nmEmployee + "\t" + this.knEmployee + "\t" + this.mailAddress
+ "\t" + this.mailAddress + "\t" + this.password + "\t" + this.idDepartment);
}
@Override
public String toString() {
return getIdEmployee() + "\t" + getNmEmployee() + " " + getKnEmployee() + "\t" + getMailAddress()
+ "\t" + getPassword() + "\t" + getIdDepartment();
}
@Override
public String toCSV() {
return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," + getMailAddress() + ","
+ getPassword() + "," + getIdDepartment();
}
@Override
public String getPrimaryKeyValue() {
return idEmployee;
}
public boolean isMatchId(String id) {
return idEmployee.equals(id);
}
static int getEmpCount() {
return empCount; return empCount;
}
//getNmEmployee.strip(); }
public EmployeeData() { public EmployeeData() {
empCount++; empCount++;
} }
static int getEmpCount() {
return 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) {
this.setIdEmployee(idEmployee); this.setIdEmployee(idEmployee);
@@ -57,20 +32,18 @@ public class EmployeeData extends BaseData {
this.setPassword(password); this.setPassword(password);
this.setIdDepartment(idDepartment); this.setIdDepartment(idDepartment);
empCount++; empCount++;
} }
public String getIdEmployee() { public String getIdEmployee() {
return this.idEmployee; return idEmployee;
} }
public void setIdEmployee(String idEmployee) { public void setIdEmployee(String idEmployee) {
idEmployee = idEmployee.strip();
int idNum = idEmployee.length();
if (idNum == 0) {
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; 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;
} }
} }
@@ -79,18 +52,16 @@ public class EmployeeData extends BaseData {
} }
public void setNmEmployee(String nmEmployee) { public void setNmEmployee(String nmEmployee) {
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");
} else {
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 this.knEmployee; return knEmployee;
} }
public void setKnEmployee(String knEmployee) { public void setKnEmployee(String knEmployee) {
@@ -98,7 +69,7 @@ public class EmployeeData extends BaseData {
} }
public String getMailAddress() { public String getMailAddress() {
return this.mailAddress; return mailAddress;
} }
public void setMailAddress(String mailAddress) { public void setMailAddress(String mailAddress) {
@@ -121,4 +92,30 @@ 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);
}
} }

View File

@@ -1,6 +1,6 @@
package day3_123;
public interface Greeting { public interface Greeting {
String hello(); String hello();
} }

View File

@@ -5,39 +5,41 @@ 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 this.price*this.stock; return price * 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 this.name; return name;
}
public void setName(String name) {
this.name=name;
} }
public void setName(String name) {
this.name = name;
}
public int getPrice() { public int getPrice() {
return this.price; return price;
}
public void setPrice(int price) {
this.price=price;
} }
public void setPrice(int price) {
this.price = price;
}
public int getStock() { public int getStock() {
return this.stock; return stock;
} }
public void setStock(int stock) { public void setStock(int stock) {
this.stock=stock; this.stock = stock;
} }
} }

View File

@@ -1,4 +1,3 @@
package day3_123;
public class JapaneseGreeting implements Greeting { public class JapaneseGreeting implements Greeting {
@Override @Override

View File

@@ -1,202 +1,130 @@
import java.util.ArrayList;
import java.util.Scanner;
public class Main { public class Main {
public static void main(String[] args) { public static void main(String[] args) {
// BaseData employee = new EmployeeData(); // while (true) {
// BaseData[] employees = new BaseData[]; // Scanner scanner = new Scanner(System.in);
// BaseData[] allData = new BaseData(); // 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)");
ArrayList<BaseData> allData = new ArrayList<>(); // String input = scanner.nextLine();
allData.add(new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10")); BaseData[] employees = new BaseData[5];
// allData[1] = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10"); // BaseData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
// allData[2] = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11"); BaseData[] allData = new BaseData[11];
// allData[3] = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
// allData[4] = new EmployeeData("10004", "三宅武", "ミヤケタケシ", "miya@hoge.jp", "eee", "13");
// allData[11] = new EmployeeData("10005", "丸井悠", "マルイハルカ", "haru@hoge.jp", "fff", "13");
// allData[12] = new EmployeeData("10006", "涼元香織", "スズモトカオリ", "suzumoto@hoge.jp", "ggg", "13");
// allData[13] = new EmployeeData("10007", "葉山稔", "ハヤマミノル", "mhayama@hoge.jp", "hhh", "14");
// allData[14] = new EmployeeData("10008", "川上朱里", "カワカミアカリ", "kawakami@hoge.jp", "iii", "14");
// allData[15] = new EmployeeData("10009", "杉井肇", "スギイハジメ", "sugi@hoge.jp", "jjj", "15");
// //
// DepartmentData dept = new DepartmentData();
// dept.setIdDepartment("10");
// dept.setNmDepartment("役員");
// allData[5] = dept;
// dept = new DepartmentData();
// dept.setIdDepartment("11");
// dept.setNmDepartment("人事・総務部");
// dept = new DepartmentData();
// allData[6] = dept;
// dept.setIdDepartment("12");
// dept.setNmDepartment("経理部");
// allData[7] = dept;
// dept = new DepartmentData();
// dept.setIdDepartment("13");
// dept.setNmDepartment("システム開発事業部");
// allData[8] = dept;
// dept = new DepartmentData();
// dept.setIdDepartment("14");
// dept.setNmDepartment("教育事業部");
// allData[9] = dept;
// dept = new DepartmentData();
// dept.setIdDepartment("15");
// dept.setNmDepartment("営業企画部");
// allData[10] = dept;
Scanner scanner = new Scanner(System.in); allData[0] = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
allData[1] = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10");
allData[2] = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11");
allData[3] = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
allData[4] = new EmployeeData("10004", "三宅武", "ミタケタケシ", "miya@hoge.jp", "eee", "13");
allData[5] = new DepartmentData("10", "役員");
allData[6] = new DepartmentData("11", "人事・総務部");
allData[7] = new DepartmentData("12", "経理");
allData[8] = new DepartmentData("13", "システム開発事業部");
allData[9] = new DepartmentData("14", "教育事業部");
allData[10] = new DepartmentData("15", "営業企画部");
while (true) { // String targetDeptId = "";
System.out.println("1:検索 2:登録 3:更新 4:削除 0:終了"); //
String usertype = scanner.nextLine(); // for (int i = 0; i < allData.length; i++) {
//
// if (allData[i] instanceof DepartmentData) {
// DepartmentData dept = (DepartmentData) allData[i];
//
// 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());
// }
// }
// }
//0:終了 // int count = 0;
if (usertype.equals("0")) { // int countt = 0;
break; // for (int i = 0; i < allData.length; i++) {
// if (allData[i] instanceof EmployeeData) {
// // count++;
// EmployeeData emp = (EmployeeData) allData[i];
//
// System.out.println(emp.getMailAddress());
// else if (allData[i] instanceof DepartmentData) {
// countt++;
// }
// 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]);
// 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) {
EmployeeData sampleEmp = (EmployeeData) allData[0];
sampleEmp.setIdEmployee("");
} }
//1:検索 // String serchId1 = "10002";
if (usertype.equals("1")) { // System.out.println(serchId1 + "を検索します");
System.out.println("1:全検索 2:条件検索 それ以外:戻る"); // boolean bo = false;
usertype = scanner.nextLine(); // for (int i = 0; i < employees.length; i++) {
if (usertype.equals("1")) { // if (((EmployeeData) employees[i]).isMatchId(serchId1)) {
for (int i = 0; i < allData.size(); i++) // bo = true;
if (allData.get(i) instanceof EmployeeData) { // break;
System.out.println(allData.get(i).toString()); // }
} //
// }
// 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);
} else if (usertype.equals("2")) { // boolean a = false;
System.out.println("IDを入力してください"); // for (int i = 0; i < employees.length; i++) {
usertype = scanner.nextLine(); // if (((EmployeeData) employees[i]).isMatchId(input)) {
// a = true;
boolean result = false; // System.out.println(employees[i]);
for (int i = 0; i < allData.size(); i++) // break;
if (allData.get(i) instanceof EmployeeData) { //
EmployeeData employee = (EmployeeData) allData.get(i); // }
if (employee.getIdEmployee().equals(usertype)) { // }
result = true; // if (!a) {
System.out.println(employee.toString()); // System.out.println("該当する社員が見つかりませんでした");
break; // }
} // if (input.equals("0")) {
// System.out.println("システムを終了します");
} // break;
if (result == false) { // }
System.out.println("入力された値で情報がみつかりませんでした");
}
} else {
continue;
}
}
//2:登録
if (usertype.equals("2")) {
System.out.println("社員IDを入力してください");
}
}
// System.out.println(employee.toCSV());
// System.out.println(employee.getPrimaryKeyValue());
} }
} }
//Day3.9---所属部署から従業員のメアドを検索する
// DepartmentData dep = null;
// EmployeeData emp;
// String nmD = null;
//
// for (int i = 0; i < allData.length; i++) {
// if (allData[i] instanceof DepartmentData) {
// dep = (DepartmentData) allData[i];
// if (dep.getNmDepartment().equals("システム開発事業部")) {
// nmD = dep.getIdDepartment();
// }
// }
//
// }
//
// for (int i = 0; i < allData.length; i++) {
// if (allData[i] instanceof EmployeeData) {
// emp = (EmployeeData) allData[i];
// if (emp.getIdDepartment().equals(nmD)) {
// System.out.println(emp.getNmEmployee() + "\t" + emp.getMailAddress());
// }
//
// }
//
// }
// for (int i = 0; i < allData.length; i++) {
// if (allData[i] instanceof EmployeeData) {
// EmployeeData emp = (EmployeeData) allData[i];
// System.out.println(emp.getMailAddress());
// }
// }
// int emp=0;
// int dep=0;
// for(int i=0;i<allData.length;i++) {
// if(allData[i] instanceof EmployeeData) {
// emp++;
// }
// if(allData[i] instanceof DepartmentData) {
// dep++;
// }
// }
// System.out.println("社員データ:"+emp+"件");
// System.out.println("部署データ:"+dep+"件");
// 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());
// Scanner sc = new Scanner(System.in);
// //
// for (int i = 0; i < employees.length; i++) {
// System.out.println("1:検索 2:登録 3:更新 4:削除 0:終了");
// String id = sc.nextLine();
// boolean result = false;
//
// if (id.equals("0")) {
// System.out.println("システムを終了します");
// break;
// }
// if (employees[i].getPrimaryKeyValue().equals(id)) {
// result = true;
// employees[i].toString();
//
// }
//
// if (result == false) {
// System.out.println("該当する社員が見つかりませんでした");
// }
//
// }
//
// for (int i = 0; i < 5; i++) {
// if (employee[i].getNmEmployee() == null) {
// continue;
// }
// System.out.println(employee[i]);
// }
//
//
//
// 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);

17
em-oop/src/Rectangle.java Normal file
View File

@@ -0,0 +1,17 @@
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

@@ -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");
} }
} }

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++;
} }
public static int getStudentCount() { static int getStudentCount() {
return studentCount; return studentCount;
} }

View File

@@ -1,15 +0,0 @@
package day3_123;
public class Day3Check2 {
public static void main(String[] args) {
Rectangle rec = new Rectangle(3, 4);
rec.showInfo();
Greeting gre = new JapaneseGreeting();
System.out.println(gre.hello());
}
}

View File

@@ -1,18 +0,0 @@
package day3_123;
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;
}
}