Stept 7 Done

This commit is contained in:
2026-09-15 15:28:42 +09:00
parent eacd21df50
commit 3811f93f39
8 changed files with 333 additions and 117 deletions

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@@ -3,16 +3,20 @@ 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 // TODO 自動生成されたメソッド・スタブ
Book book = new Book(); //Book book = new Book();
book.title = "吾輩は猫である"; // book.title = "吾輩は猫である";
book.author ="夏目漱石"; // book.author ="夏目漱石";
book.price = 800; // book.price = 800;
Book book1 = new Book () ;
System.out.println(book.title); System.out.println(book1.title);
System.out.println(book.author); System.out.println(book1.author);
System.out.println(book.price); 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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@@ -2,11 +2,17 @@ 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 student = new Student(); // Student student = new Student();
student.studentId=1; // student.studentId=1;
student.name="鈴木一郎"; // student.name="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.printProfile();
student2.printProfile();
student3.printProfile();
student.printProfile(); System.out.println("現在の生徒数は:"+Student.getStudentCount());
} }
} }

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@@ -5,24 +5,49 @@ public class BasicCheck3 {
// 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
Item []items = new Item[3]; Item []items = new Item[3];
// items[0]= new Item();
// items[0].name = "ノート";
// items[0].price = 120;
// items[0].stock = 50;
//
// items[1] = new Item();
// items[1].name = "消しゴム";
// items[1].price = 80;
// items[1].stock = 30;
//
// items[2] = new Item();
// items[2].name = "鉛筆";
// items[2].price = 60;
// items[2].stock = 100;
items[0] = new Item(); items[0] = new Item();
items[0].name = "ノート"; items[0].setName("ノート");
items[0].price = 120; items[0].setPrice(120);
items[0].stock = 50; items[0].setStock(50);
items[1] = new Item(); items[1] = new Item();
items[1].name = "消しゴム"; items[1].setName("消しゴム");
items[1].price = 80; items[1].setPrice(80);
items[1].stock = 30; items[1].setStock(30);
items[2] = new Item(); items[2] = new Item();
items[2].name = "鉛筆"; items[2].setName("鉛筆");
items[2].price = 60; items[2].setPrice(60);
items[2].stock = 100; items[2].setStock(100);
// Item[] items = {
// new Item("ノート", 120, 50),
// new Item("消しゴム", 80, 30), //this is also fine but the question is make items[i].setName(...),so we should be change
// new Item("鉛筆", 60, 100)
// };
for (int i = 0; i < items.length; i++) { for (int i = 0; i < items.length; i++) {
items[i].sell(5); items[i].sell(5);
System.out.println(items[i].name + " " + items[i].price + "円 残り" + items[i].stock + "個"); System.out.println(items[i]);
} }

View File

@@ -3,5 +3,18 @@ public class Book {
String title; String title;
String author; String author;
int price; int price;
public Book () {
this.title="タイトル未設定";
this.author = "著者未設定";
this.price=500;
}
public Book (String title, String author, int price) {
this.title= title;
this.author= author;
this.price= price;
}
} }

View File

@@ -1,19 +1,94 @@
public class EmployeeData { public class EmployeeData {
String idEmployee; private String idEmployee;
String nmEmployee; private String nmEmployee;
String knEmployee; private String knEmployee;
String mailAddress; private String mailAddress;
String password; private String password;
String idDepartment; private String idDepartment;
void showInfo() {
public String getIdEmployee() {
return idEmployee;
}
public void setIdEmployee(String idEmployee) {
this.idEmployee = idEmployee;
}
public String getNmEmployee() {
return nmEmployee;
}
public void setNmEmployee(String nmEmployee) {
this.nmEmployee = nmEmployee;
}
public String getKnEmployee() {
return knEmployee;
}
public void setKnEmployee(String knEmployee) {
this.knEmployee = knEmployee;
}
public String getMailAddress() {
return mailAddress;
}
public void setMailAddress(String mailAddress) {
this.mailAddress = mailAddress;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getIdDepartment() {
return idDepartment;
}
public void setIdDepartment(String idDepartment) {
this.idDepartment = idDepartment;
}
private static int empCount = 0;
public void showInfo() {
System.out.println(this.idEmployee + "\t" + this.nmEmployee + this.knEmployee + this.mailAddress + this.password System.out.println(this.idEmployee + "\t" + this.nmEmployee + this.knEmployee + this.mailAddress + this.password
+ this.idDepartment); + this.idDepartment);
// System.out.println("社員ID: " + this.getIdEmployee());
// System.out.println("社員氏名: " + this.getNmEmployee());
// System.out.println("フリガナ: " + this.getKnEmployee());
// System.out.println("メールアドレス: " + this.getMailAddress());
// System.out.println("パスワード: " + this.getPassword());
// System.out.println("部署ID: " + this.getIdDepartment());
} }
public EmployeeData() {
boolean isMatchId(String id) { //stept 7 empCount++;
return this.idEmployee.equals(id);
} }
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++;
}
public static int getEmpCount() {
return empCount;
}
// boolean isMatchId(String id) { //stept 7
// return this.idEmployee.equals(id);
//
// }
} }

View File

@@ -1,12 +1,48 @@
public class Item { public class Item {
String name; private String name;
int price; private int price;
int stock; private int stock;
// public Item(String name, int price, int stock) {
// this.name = name;
// this.price = price;
// this.stock = stock;
//
// }
void sell(int amount) { public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
public int getStock() {
return stock;
}
public void setStock(int stock) {
this.stock = stock;
}
public void sell(int amount) {
this.stock = this.stock - amount; this.stock = this.stock - amount;
}
@Override
public String toString() {
return getName() + " " + getPrice() + "円 (残り" + getStock() + "個)";
} }
} }

View File

@@ -1,60 +1,102 @@
import java.util.Scanner;
public class Main { public class Main {
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
EmployeeData[] employees = new EmployeeData[5]; EmployeeData[] employees = new EmployeeData[5];
EmployeeData employee1 = new EmployeeData();
employee1.setIdEmployee("10000");
employee1.setNmEmployee("山田太郎");
employee1.setKnEmployee("ヤマダタツヤ");
employee1.setMailAddress("yamada@hoge.jp");
employee1.setPassword("aaa");
employee1.setIdDepartment("10");
//1st person //1st person
employees[0] = new EmployeeData(); //EmployeeData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
employees[0].idEmployee = "10000"; // employees[0] = new EmployeeData();
employees[0].nmEmployee = "山田龍也"; // employees[0].idEmployee = "10000";
employees[0].knEmployee = "ヤマダタツヤ"; // employees[0].nmEmployee = "山田龍也";
employees[0].mailAddress = "yamada@hoge.jp"; // employees[0].knEmployee = "ヤマダタツヤ";
employees[0].password = "aaa"; // employees[0].mailAddress = "yamada@hoge.jp";
employees[0].idDepartment = "10"; // employees[0].password = "aaa";
//2nd person // employees[0].idDepartment = "10";
employees[1] = new EmployeeData(); EmployeeData employee2 = new EmployeeData();
employees[1].idEmployee = "10001"; employee2.setIdEmployee("10001");
employees[1].nmEmployee = "高橋準"; employee2.setNmEmployee("高橋準");
employees[1].knEmployee = "タカハシジュン"; employee2.setKnEmployee("タカハシジュン");
employees[1].mailAddress = "jtaka@hoge.jp"; employee2.setMailAddress("jtaka@hoge.jp");
employees[1].password = "bbb"; employee2.setPassword("bbb");
employees[1].idDepartment = "10"; employee2.setIdDepartment("10");
//3rd person // //2nd person
employees[2] = new EmployeeData(); // employees[1] = new EmployeeData();
employees[2].idEmployee = "10002"; // employees[1].idEmployee = "10001";
employees[2].nmEmployee = "麻枝史明"; // employees[1].nmEmployee = "高橋準";
employees[2].knEmployee = "マエダフミアキ"; // employees[1].knEmployee = "タカハシジュン";
employees[2].mailAddress = "fmak@hoge.jp"; // employees[1].mailAddress = "jtaka@hoge.jp";
employees[2].password = "ccc"; // employees[1].password = "bbb";
employees[2].idDepartment = "11"; // employees[1].idDepartment = "10";
//4th person // //3rd person
employees[3] = new EmployeeData(); EmployeeData employee3 = new EmployeeData();
employees[3].idEmployee = "10003"; employee3.setIdEmployee("10002");
employees[3].nmEmployee = "丸戸章介"; employee3.setNmEmployee("麻枝史明");
employees[3].knEmployee = "マルトショウスケ"; employee3.setKnEmployee("マエダフミアキ");
employees[3].mailAddress = "marusyo@hoge.jp"; employee3.setMailAddress("fmak@hoge.jp");
employees[3].password = "ddd"; employee3.setPassword("ccc");
employees[3].idDepartment = "12"; employee3.setIdDepartment("11");
//5th person // employees[2] = new EmployeeData();
employees[4] = new EmployeeData(); // employees[2].idEmployee = "10002";
employees[4].idEmployee = "10004"; // employees[2].nmEmployee = "麻枝史明";
employees[4].nmEmployee = "三宅武"; // employees[2].knEmployee = "マエダフミアキ";
employees[4].knEmployee = "ミヤケタケシ"; // employees[2].mailAddress = "fmak@hoge.jp";
employees[4].mailAddress = "miya@hoge.jp"; // employees[2].password = "ccc";
employees[4].password = "eee"; // employees[2].idDepartment = "11";
employees[4].idDepartment = "13"; EmployeeData employee4 = new EmployeeData();
employee4.setIdEmployee("10003");
employee4.setNmEmployee("丸戸章介");
employee4.setKnEmployee("マルトショウスケ");
employee4.setMailAddress("marusyo@hoge.jp");
employee4.setPassword("ddd");
employee4.setIdDepartment("12");
// //4th person
// employees[3] = new EmployeeData();
// 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";
EmployeeData employee5 = new EmployeeData();
employee5.setIdEmployee("10004");
employee5.setNmEmployee("三宅武");
employee5.setKnEmployee("ミヤケタケシ");
employee5.setMailAddress("miya@hoge.jp");
employee5.setPassword("eee");
employee5.setIdDepartment("13");
// //5th pe5rson
// employees[4] = new EmployeeData();
// 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";
// stept6 // stept6
// for (int i = 0; i < employees.length; i++) { // for (int i = 0; i < employees.length; i++) {
// employees[i].showInfo(); // employees[i].showInfo();
// } // }
//stept 7 employee1.showInfo();
System.out.println("10002 を検索します"); employee2.showInfo();
System.out.println(employees[2].isMatchId("10002")); employee3.showInfo();
employee4.showInfo();
employee5.showInfo();
System.out.println("99999 を検索します");
System.out.println(employees[2].isMatchId("99999"));
//stept 7
//System.out.println("10002 を検索します");
// System.out.println(employees[2].isMatchId("10002"));
//
// System.out.println("99999 を検索します");
// System.out.println(employees[2].isMatchId("99999"));
//stept 5 //stept 5
// employee.showInfo(); // employee.showInfo();
@@ -66,36 +108,40 @@ public class Main {
// System.out.println(employee.mailAddress); // System.out.println(employee.mailAddress);
// System.out.println(employee.password); // System.out.println(employee.password);
// System.out.println(employee.idDepartment); // System.out.println(employee.idDepartment);
Scanner scan = new Scanner(System.in); // Scanner scan = new Scanner(System.in);
while (true) { // while (true) {
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)"); // 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)");
//
// //stept 8
//
// //System.out.println("検索したい社員IDを入力してください");
// String serchId = scan.nextLine();
//
// if (serchId.equals("0")) { //stept 9
// System.out.println("システムを終了します");
// break;
// }
//stept 8 // boolean found = false; //←if it haven't this boolean , they can't be decided true or false, so we should be make boolan name (found)
//System.out.println("検索したい社員IDを入力してください");
String serchId = scan.nextLine();
if (serchId.equals("0")) { //stept 9
System.out.println("システムを終了します");
break;
}
boolean found = false; //←if it haven't this boolean , they can't be decided true or false, so we should be make boolan name (found)
for (int i = 0; i < employees.length; i++) { for (int i = 0; i < employees.length; i++) {
if (employees[i].isMatchId(serchId)) {
employees[i].showInfo();
found = true;
break;
}
} }
if (!found) { System.out.println("現在社員データ数:"+EmployeeData.getEmpCount()+"件");
System.out.println("該当する社員が見つかりませんでした"); // if (employees[i].isMatchId(serchId)) {
} // employees[i].showInfo();
// found = true;
// break;
// }
//
// }
// if (!found) {
// System.out.println("該当する社員が見つかりませんでした");
// }
} }
scan.close(); //scan.close();
} }
}

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@@ -1,13 +1,24 @@
public class Student { public class Student {
private int studentId;
private String name;
public Student(int studentId, String name) {
this.studentId = studentId;
this.name = name;
studentCount++;
}
private static int studentCount = 0;
public static int getStudentCount() {
return studentCount;
}
int studentId;
String name;
void printProfile() { 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);
} }
} }