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
18 changed files with 210 additions and 397 deletions

View File

@@ -1,8 +0,0 @@
public abstract class BaseData {
public abstract String toString();
public abstract String toCSV();
public abstract String getPrimaryKeyValue();
}

View File

@@ -2,16 +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);
// 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;
System.out.println(book1.title +"\n"+ book1.author +"\n"+ book1.price); System.out.println(book1.title);
System.out.println(book2.title +"\n"+ book2.author +"\n"+ book2.price); 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

@@ -1,26 +1,21 @@
public class BasicCheck2 { 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
Student student1 = new Student(1, "鈴木一郎"); Student student1 = new Student(1, "鈴木一郎");
// student1.studentId = 1;
// student1.name = "鈴木一郎";
student1.printProfile();
Student student2 = new Student(2, "田中花子"); Student student2 = new Student(2, "田中花子");
student2.printProfile();
Student student3 = new Student(3, "佐藤次郎"); Student student3 = new Student(3, "佐藤次郎");
student1.printProfile();
student2.printProfile();
student3.printProfile(); student3.printProfile();
System.out.println("現在の生徒数:"+Student.getStudentCount()+"人");
Student.getStudentCount();{ // student.studentId = 1;
System.out.println("現在の生徒数:" + Student.studentCount + "人"); // student.name = "鈴木一郎";
} //
// student.printProfile();
} }
} }

View File

@@ -1,53 +1,35 @@
public class BasicCheck3 { public class BasicCheck3 {
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
Item[] items = new Item[3]; Item[] items = new Item[3];
items[0] = new Item();
Item item0 = new Item(); items[1] = new Item();
Item item1 = new Item(); items[2] = new Item();
Item item2 = new Item();
items[0].setName("ノート") ;
items[0] = item0; items[0].setPrice(120);
items[1] = item1; items[0].setStock(50);
items[2] = item2;
items[1].setName("消しゴム");
item0.setName("ノート"); items[1].setPrice(80);
item0.setPrice(120); items[1].setStock(30);
item0.setStock(50);
items[2].setName("鉛筆");
item1.setName("消しゴム"); items[2].setPrice(60);
item1.setPrice(80); items[2].setStock(100);
item1.setStock(30);
item2.setName("鉛筆");
item2.setPrice(60); for(int i=0;i<3;i++) {
item2.setStock(100);
// item1.setName = "ノート";
// item1.price = 120;
// item1.stock = 50;
//
// Item item2 = new Item();
//
// item2.name = "消しゴム";
// item2.price = 80;
// item2.stock = 30;
//
// Item item3 = new Item();
//
// item3.name = "鉛筆";
// item3.price = 60;
// item3.stock = 100;
for (int i = 0; i < items.length; i++) {
items[i].sell(5); items[i].sell(5);
System.out.println(items[i]); System.out.println(items[i]);
// System.out.println("合計金額:"+items[i].totalPrice());
} }
} }
} }

View File

@@ -1,20 +1,20 @@
public class Book { public class Book {
public String title; String title;
public String author; String author;
public int price; int price;
public Book() { public Book() {
title = "タイトル未設定"; this.title="タイトル未設定";
author = "著者未設定"; this.author="著者未設定";
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;
} }
} }

View File

@@ -1,22 +0,0 @@
public class Circle extends Shape {
private double radius;
public Circle(double radius) {
super("円");
this.radius = radius;
}
@Override
public double area() {
return Math.PI * radius * radius;
}
@Override
public void showInfo() {
super.showInfo();
System.out.println("(半径:" + this.radius + ")");
}
}

View File

@@ -1,13 +0,0 @@
public class Day3Check2 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
Rectangle Rectangle = new Rectangle(3, 4);
Rectangle.showInfo();
Greeting greeting = new JapaneseGreeting();
System.out.println(greeting.hello());
}
}

View File

@@ -1,15 +0,0 @@
public class Day3Check3 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
Shape shape1 = new Circle(2);
shape1.showInfo();
Shape shape2 = new Rectangle(3, 4);
shape2.showInfo();
}
}

View File

@@ -1,9 +0,0 @@
public class DayCheck1 {
public static void main(String[] args) {
Circle radius = new Circle(2);
radius.showInfo();
}
}

View File

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

View File

@@ -1,5 +1,5 @@
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;
@@ -7,27 +7,56 @@ public class EmployeeData extends BaseData {
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";
@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++;
EmployeeData() {
empCount = empCount + 1;
} }
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) {
setIdEmployee(idEmployee);
setNmEmployee(nmEmployee); nmEmployee=nmEmployee.strip();
setKnEmployee(knEmployee); int nmNum = nmEmployee.length();
setMailAddress(mailAddress);
setPassword(password); if(nmNum==0) {
setIdDepartment(idDepartment); System.out.println("社員名が空のため設定できませんでした");
empCount = empCount + 1;
}
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() { public String getIdEmployee() {
return idEmployee; return this.idEmployee;
} }
public void setIdEmployee(String idEmployee) { public void setIdEmployee(String idEmployee) {
this.idEmployee = idEmployee; this.idEmployee = idEmployee;
} }
@@ -35,21 +64,12 @@ public class EmployeeData extends BaseData {
return nmEmployee; return nmEmployee;
} }
public void setNmEmployee(String nmEmployee) { public void setNmEmployee(String nmEMployee) {
// 2日目段階8 this.nmEmployee = nmEMployee;
// String stripped = nmEmployee.strip();
// int length = stripped.length();
// if (nmEmployee == null) {
// System.out.println("社員名が空のため設定できませんでした");
// }
// if (length == 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;
} }
public String getKnEmployee() { public String getKnEmployee() {
return knEmployee; return this.knEmployee;
} }
public void setKnEmployee(String knEmployee) { public void setKnEmployee(String knEmployee) {
@@ -57,7 +77,7 @@ 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) {
@@ -80,36 +100,8 @@ public class EmployeeData extends BaseData {
this.idDepartment = idDepartment; this.idDepartment = idDepartment;
} }
public static int getEmpCount() {
return empCount;
}
public static void setEmpCount(int empCount) {
EmployeeData.empCount = empCount;
}
@Override
public String toString() {
return getIdEmployee() + "\t" + getNmEmployee() + "\t" + getKnEmployee() + "\t" + getMailAddress()
+ "\t" + getPassword() + "\t" + getIdDepartment();
}
// public boolean isMatchId(String id) {
//
// return idEmployee.equals(id);
//
// }
public String toCSV() {
return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," + getMailAddress()
+ "," + getPassword() + "," + getIdDepartment();
}
public String getPrimaryKeyValue() {
return idEmployee;
}
public static int empCount() {
return empCount;
}
} }

View File

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

View File

@@ -3,42 +3,41 @@ public class Item {
private String name; private String name;
private int price; private int price;
private int stock; private int stock;
// void sell(int amount) {
// this.stock = this.stock - amount;
public void sell(int amount) { public void sell(int amount) {
setStock(this.getStock() - amount); this.setStock(this.getStock()-amount) ;
} }
public int totalPrice() {
return this.price*this.stock;
}
@Override @Override
public String toString() { public String toString() {
String output = getName() + " " + getPrice() + "円 (残り" + getStock() + "個)"; return getName()+" "+getPrice()+"円(残り"+getStock()+"個)";
return output;
} }
public String getName() { public String getName() {
return name; return this.name;
} }
public void setName(String name) { public void setName(String name) {
this.name = name; this.name=name;
} }
public int getPrice() { public int getPrice() {
return price; return this.price;
} }
public void setPrice(int price) { public void setPrice(int price) {
this.price = 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;
} }
} }

View File

@@ -1,10 +0,0 @@
public class JapaneseGreeting implements Greeting {
@Override
public String hello() {
// TODO 自動生成されたメソッド・スタブ
return "こんにちは";
}
}

View File

@@ -1,79 +1,73 @@
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 EmployeeData[] employee = new EmployeeData[5];
employee[0] = new EmployeeData("10000"," ","ヤマダタツヤ","yamada@hoge.jp","aaa","10");
while (true) { employee[1] = new EmployeeData();
employee[2] = new EmployeeData();
System.out.println("検索したい社員IDを入力してください(終了したい場合は0)"); employee[3] = new EmployeeData();
Scanner scanner = new Scanner(System.in); employee[4] = new EmployeeData();
String id = scanner.nextLine();
boolean bo = false;
BaseData[] allData = new BaseData[11]; // employee[0].setIdEmployee("10000");
// employee[0].setNmEmployee("山田龍也");
BaseData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10"); // employee[0].setKnEmployee("ヤマダタツヤ");
// employee[0].setMailAddress("yamada@hoge.jp");
BaseData employee1 = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10"); // employee[0].setPassword("aaa");
// employee[0].setIdDepartment("10");
BaseData employee2 = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11"); //
employee[1].setIdEmployee("10001");
BaseData employee3 = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12"); employee[1].setNmEmployee("高橋準");
employee[1].setKnEmployee("タカハシジュン");
BaseData employee4 = new EmployeeData("10004", "三宅武", "ミヤケタケシ", "miya@hoge.jp,eee", "eee", "13"); employee[1].setMailAddress("jtaka@hoge.jp");
employee[1].setPassword("bbb");
allData[0] = employee; employee[1].setIdDepartment("10");
allData[1] = employee1;
allData[2] = employee2; employee[2].setIdEmployee("10002");
allData[3] = employee3; employee[2].setNmEmployee("麻枝史明");
allData[4] = employee4; employee[2].setKnEmployee("マエダフミアキ");
employee[2].setMailAddress("fmak@hoge.jp");
BaseData dept = new DepartmentData("10", "役員"); employee[2].setPassword("ccc");
BaseData dept1 = new DepartmentData("11", "人事・総務部"); employee[2].setIdDepartment("11");
BaseData dept2 = new DepartmentData("12", "経理部");
BaseData dept3 = new DepartmentData("13", "システム開発事業部"); employee[3].setIdEmployee("10003");
BaseData dept4 = new DepartmentData("14", "教育事業部"); employee[3].setNmEmployee("丸戸章介");
BaseData dept5 = new DepartmentData("15", "営業企画部"); employee[3].setKnEmployee("マルトショウスケ");
employee[3].setMailAddress("marusyo@hoge.jp");
allData[5] = dept; employee[3].setPassword("ddd");
allData[6] = dept1; employee[3].setIdDepartment("12");
allData[7] = dept2;
allData[8] = dept3; employee[4].setIdEmployee("10004");
allData[9] = dept4; employee[4].setNmEmployee("三宅武");
allData[10] = dept5; employee[4].setKnEmployee("ミヤケタケシ");
employee[4].setMailAddress("miya@hoge.jp");
// for (int i = 0; i < allData.length; i++) { employee[4].setPassword("eee");
// System.out.println(allData[i]); employee[4].setIdDepartment("13");
// } //
// System.out.println("現在の社員データ件数"+ EmployeeData.getEmpCount()+ "件");
for (int i = 0; i < allData.length; i++) { for(int i=0;i<5;i++) {
System.out.println(employee[i]);
// System.out.println(employees[i]);
if (allData[i].getPrimaryKeyValue().equals(id)) {
bo = true;
System.out.println(allData[i]);
// System.out.println(employee.toCSV());
// System.out.println(employee.getPrimaryKeyValue());
}
// employees[i].isMatchId("10002");
// employees[i].isMatchId("99999");
continue;
}
if (bo == false && !id.equals("0")) {
System.out.println("該当する社員が見つかりませんでした");
}
if (id.equals("0")) {
System.out.println("システムを終了します");
break;
}
} }
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

@@ -1,18 +0,0 @@
public class Rectangle extends Shape {
private double width;
private double height;
public Rectangle(double width, double height) {
super("四角形");
this.height = height;
this.width = width;
}
@Override
public double area() {
return width * height;
}
}

View File

@@ -1,15 +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

@@ -3,23 +3,22 @@ public class Student {
int studentId; int studentId;
String name; String name;
static int studentCount = 0; static int studentCount = 0;
{
studentCount++;
}
Student(int studentId, String name) {
this.studentId = studentId;
this.name = name;
}
public static int getStudentCount() {
return studentCount;
}
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) {
this.studentId = studentId;
this.name = name;
studentCount++;
}
public static int getStudentCount() {
return studentCount;
}
} }