2026_1011_3FR_Java_Kyono/em-oop
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石原　叶大
2026-10-15 16:30:26 +09:00
parent 4b2cb5a18b
commit 82628fc7f5
9 changed files with 394 additions and 145 deletions
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24
BasicCheck1.java
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@@ -4,14 +4,24 @@ 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 book = new Book();
//コンストラクタ
Book book1 = new Book();
book.title = "吾輩は猫である";
book.author = "夏目漱石";
book.price = 800;
//book1
System.out.println(book1.title);
System.out.println(book1.author);
System.out.println(book1.price);
//コンストラクタ
Book book2 = new Book(
"銀河鉄道の夜",
"宮沢賢治",
500);
//book2
System.out.println(book2.title);
System.out.println(book2.author);
System.out.println(book2.price);
System.out.println(book.title);
System.out.println(book.author);
System.out.println(book.price);
}
}

17
BasicCheck2.java
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@@ -4,11 +4,20 @@ 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 student = new Student();
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.studentId = 1;
student.name = "鈴木一郎";
// 学生情報表示
student1.printProfile();
student2.printProfile();
student3.printProfile();
student.printProfile();
// 現在の学生数表示
System.out.println(
"現在の生徒数:"
+ Student.getStudentCount()
+ "人");
}
}

59
BasicCheck3.java
View File

@@ -4,45 +4,34 @@ public class BasicCheck3 {
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型の配列を作成
Item[] items = new Item[3];
items[0] = new Item();
items[1] = new Item();
items[2] = new Item();
//インスタンス生成
items[0] = new Item();
items[1] = new Item();
items[2] = new Item();
items[0].name = "ノート";
items[0].price = 120;
items[0].stock = 50;
items[0].setName("ノート");
items[0].setPrice(120);
items[0].setStock(50);
items[1].name = "消しゴム";
items[1].price = 80;
items[1].stock = 30;
items[1].setName("消しゴム");
items[1].setPrice(80);
items[1].setStock(30);
items[2].name = "鉛筆";
items[2].price = 60;
items[2].stock = 100;
items[2].setName("鉛筆");
items[2].setPrice(60);
items[2].setStock(100);
// 5個販売
for (int i = 0; i < items.length; i++) {
items[i].sell(5);
}
//販売
for (int i = 0; i < items.length; i++) {
items[i].sell(5);
}
//商品情報表示
for (int i = 0; i < items.length; i++) {
System.out.println(items[i]);
}
// 商品情報を表示
for (int i = 0; i < items.length; i++) {
System.out.println(
items[i].name + " "
+ items[i].price + "円 "
+ "残り" + items[i].stock + "個"
);
}
// 合計金額を計算
int total = 0;
for (int i = 0; i < items.length; i++) {
total += items[i].totalPrice();
}
System.out.println("合計金額：" + total + "円");
}
}
}

27
Book.java
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@@ -1,7 +1,28 @@
package misson1014;
public class Book {
String title;
String author;
int price;
// タイトル
String title;
// 著者
String author;
// 価格
int price;
//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.price = 0;
}
//コンストラクタ
public Book(String title, String author, int price) {
//フィールド代入
this.title = title;
this.author = author;
this.price = price;
}
}

140
EmployeeData.java
View File

@@ -1,38 +1,118 @@
package misson1014;
public class EmployeeData {
//社員ID
String idEmployee;
//社員名
String nmEmployee;
//カナ
String knEmployee;
//メールアドレス
String mailAddress;
//PW
String password;
//部署ID
String idDepartment;
//社員ID
private String idEmployee;
//社員名
private String nmEmployee;
//社員名カナ
private String knEmployee;
//メールアドレス
private String mailAddress;
//パスワード
private String password;
//部署ID
private String idDepartment;
//社員データ件数
private static int empCount = 0;
//コンストラクタ
public EmployeeData() {
empCount++;
}
//コンストラクタ
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++;
//まとめて表示
public void showInfo() {
}
//ゲッター
public String getIdEmployee() {
return idEmployee;
}
public String getNmEmployee() {
return nmEmployee;
}
public String getKnEmployee() {
return knEmployee;
}
public String getMailAddress() {
return mailAddress;
}
public String getPassword() {
return password;
}
public String getIdDepartment() {
return idDepartment;
}
//セッター
public void setIdEmployee(String idEmployee) {
//nullチェック
if (idEmployee == null) {
System.out.println("社員IDが空のため設定できませんでした");
return;
}
//空文字チェック
if (idEmployee.trim().isEmpty()) {
System.out.println( "社員IDが空のため設定できませんでした");
return;
}
this.idEmployee = idEmployee;
}
public void setNmEmployee(String nmEmployee) {
//nullチェック
if (nmEmployee == null) {
System.out.println("社員名が空のため設定できませんでした");
return;
}
//空文字チェック
if (nmEmployee.trim().isEmpty()) {
System.out.println("社員名が空のため設定できませんでした");
return;
}
this.nmEmployee = nmEmployee;
}
public void setKnEmployee(String knEmployee) {
this.knEmployee = knEmployee;
}
public void setMailAddress(String mailAddress) {
this.mailAddress = mailAddress;
}
public void setPassword(String password) {
this.password = password;
}
public void setIdDepartment(String idDepartment) {
this.idDepartment = idDepartment;
}
//toString
@Override
public String toString() {
System.out.println(this.idEmployee + "\t"
+ this.nmEmployee + "\t"
+ this.knEmployee + "\t"
+ this.mailAddress + "\t"
+ this.password + "\t"
+ this.idDepartment);
}
//IDチェック
public boolean isMatchId(String id) {
return getIdEmployee() + "\t"
+ getNmEmployee() + "\t"
+ getKnEmployee() + "\t"
+ getMailAddress() + "\t"
+ getPassword() + "\t"
+ getIdDepartment();
}
if (this.idEmployee.equals(id)) {
return true;
} else {
return false;
}
}
//ID一致判定
public boolean isMatchId(String id) {
return getIdEmployee().equals(id);
}
//件数取得
public static int getEmpCount() {
return empCount;
}
}

55
Item.java
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@@ -1,15 +1,52 @@
package misson1014;
public class Item {
String name;
int price;
int stock;
private String name;
private int price;
private int stock;
//商品
public void sell(int amount) {
//在庫減らし
this.setStock(this.getStock() - amount);
}
//商品名ゲッター
public String getName() {
return name;
}
//商品名セッター
public void setName(String name) {
this.name = name;
}
//価格ゲッター
public int getPrice() {
return price;
}
//価格セッター
public void setPrice(int price) {
this.price = price;
}
//在庫数ゲッター
public int getStock() {
return stock;
}
//在庫数セッター
public void setStock(int stock) {
this.stock = stock;
}
@Override
public String toString() {
return getName()
+ " "
+ getPrice()
+ "円 (残り"
+ getStock()
+ "個)";
}
void sell(int amount) {
this.stock = this.stock - amount;
}
int totalPrice() {
return this.price * this.stock;
}
}

89
Main.java
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@@ -5,85 +5,76 @@ public class Main {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
// 5人の配列を作成
//配列を作成
EmployeeData[] employees = new EmployeeData[5];
// インスタンス生成
//インスタンス生成
employees[0] = new EmployeeData();
employees[1] = new EmployeeData();
employees[2] = new EmployeeData();
employees[3] = new EmployeeData();
employees[4] = 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";
employees[0].setIdEmployee("10000");
employees[0].setNmEmployee("山田龍也");
employees[0].setKnEmployee("ヤマダタツヤ");
employees[0].setMailAddress("yamada@hoge.jp");
employees[0].setPassword("aaa");
employees[0].setIdDepartment("10");
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";
employees[1].setIdEmployee("10001");
employees[1].setNmEmployee("高橋準");
employees[1].setKnEmployee("タカハシジュン");
employees[1].setMailAddress("jtaka@hoge.jp");
employees[1].setPassword("bbb");
employees[1].setIdDepartment("10");
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";
employees[2].setIdEmployee("10002");
employees[2].setNmEmployee("麻枝史明");
employees[2].setKnEmployee("マエダフミアキ");
employees[2].setMailAddress("fmak@hoge.jp");
employees[2].setPassword("ccc");
employees[2].setIdDepartment("11");
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";
employees[3].setIdEmployee("10003");
employees[3].setNmEmployee("丸戸章介");
employees[3].setKnEmployee("マルトショウスケ");
employees[3].setMailAddress("marusyo@hoge.jp");
employees[3].setPassword("ddd");
employees[3].setIdDepartment("12");
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";
employees[4].setIdEmployee("10004");
employees[4].setNmEmployee("三宅武");
employees[4].setKnEmployee("ミヤケタケシ");
employees[4].setMailAddress("miya@hoge.jp");
employees[4].setPassword("eee");
employees[4].setIdDepartment("13");
Scanner scanner = new Scanner(System.in);
//0までループ
//0が入力されるまでループ
while (true) {
//ID検索
//ID入力
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 search = scanner.nextLine();
//0なら終了
if (search.equals("0")) {
System.out.println("システムを終了します");
if (search.equals("0")) { System.out.println("システムを終了します");
break;
}
//見つかったかどうか
boolean found = false;
//内部検索
//検索処理
for (int i = 0; i < employees.length; i++) {
// ID判定
if (employees[i].isMatchId(search)) {
employees[i].showInfo();
System.out.println(employees[i]);
found = true;
break;
}
}
// 見つからなかった
if (!found) {
System.out.println("該当する社員が見つかりませんでした");
// 見つからなかった場合
if (!found) {System.out.println("該当する社員が見つかりませんでした");
}
}
scanner.close();
}
}

91
Main1.java Normal file
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@@ -0,0 +1,91 @@
package misson1014;
public class Main1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
//8段階目まで
/*
EmployeeData[] employees = new EmployeeData[5];
employees[0] = new EmployeeData();
employees[1] = new EmployeeData();
employees[2] = new EmployeeData();
employees[3] = new EmployeeData();
employees[4] = new EmployeeData();
employees[0].setIdEmployee("10000");
8段階用
employees[0].setNmEmployee("");
employees[0].setKnEmployee("ヤマダタツヤ");
employees[0].setMailAddress("yamada@hoge.jp");
employees[0].setPassword("aaa");
employees[0].setIdDepartment("10");
employees[1].setIdEmployee("10001");
employees[1].setNmEmployee("高橋準");
employees[1].setKnEmployee("タカハシジュン");
employees[1].setMailAddress("jtaka@hoge.jp");
employees[1].setPassword("bbb");
employees[1].setIdDepartment("10");
employees[2].setIdEmployee("10002");
employees[2].setNmEmployee("麻枝史明");
employees[2].setKnEmployee("マエダフミアキ");
employees[2].setMailAddress("fmak@hoge.jp");
employees[2].setPassword("ccc");
employees[2].setIdDepartment("11");
employees[3].setIdEmployee("10003");
employees[3].setNmEmployee("丸戸章介");
employees[3].setKnEmployee("マルトショウスケ");
employees[3].setMailAddress("marusyo@hoge.jp");
employees[3].setPassword("ddd");
employees[3].setIdDepartment("12");
employees[4].setIdEmployee("10004");
employees[4].setNmEmployee("三宅武");
employees[4].setKnEmployee("ミヤケタケシ");
employees[4].setMailAddress("miya@hoge.jp");
employees[4].setPassword("eee");
employees[4].setIdDepartment("13");
for (int i = 0; i < employees.length; i++) {
System.out.println(employees[i]);
}
System.out.println(
"現在の社員データ件数:"
+ EmployeeData.getEmpCount()
+ "件");
*/
//ここから9段階↓
EmployeeData employee1 =
new EmployeeData(
"10000",
"",
"ヤマダタツヤ",
"yamada@hoge.jp",
"aaa",
"10"
);
EmployeeData employee2 =
new EmployeeData(
"",
"山田龍也",
"ヤマダタツヤ",
"yamada@hoge.jp",
"aaa",
"10"
);
}
}

31
Student.java
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@@ -1,10 +1,31 @@
package misson1014;
public class Student {
int studentId;
String name;
int studentId;
String name;
//staticフィールド
static int studentCount = 0;
//コンストラクタ
public Student(int studentId, String name) {
//フィールド代入
this.studentId = studentId;
this.name = name;
studentCount++;
}
//学生情報
void printProfile() {
System.out.println(
"学籍番号:" + this.studentId
+ " 名前:" + this.name);
}
//現在の学生数用staticメソッド
public static int getStudentCount() {
return studentCount;
}
void printProfile() {
System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
}
}