From b6af93ba982e0a1d1f8c31dfa59b7fcf1f9fe62d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A6=8F=E6=A3=AE=E3=80=80=E7=99=BE=E5=A4=A2?=
<26-m-fukumori-cosmicb@it-college.co.jp>
Date: Mon, 19 Oct 2026 16:45:02 +0900
Subject: [PATCH] 20261019
---
.../src/main/java/Question04_05.java | 65 ++++++++++++++++---
.../src/main/java/Question05_03.java | 54 ++++++++++++++-
.../src/main/java/Class.java | 4 ++
.../src/main/java/Question10_05.java | 2 +-
.../src/main/java/Atm.java | 2 +-
.../src/main/java/Question11_03.java | 11 +++-
.../src/main/java/Student.java | 16 +++++
.../src/main/java/Item.java | 24 +++++++
.../src/main/java/Question12_02.java | 15 +++++
Question13-Extends/.classpath | 6 ++
Question13-Extends/.gitignore | 1 +
Question13-Extends/.project | 23 +++++++
.../.settings/org.eclipse.jdt.core.prefs | 9 +++
....eclipse.wst.common.project.facet.core.xml | 4 ++
Question13-Extends/src/main/java/Animal.java | 4 ++
.../src/main/java/Question13_01.java | 2 +-
.../src/main/java/Question13_02.java | 9 +++
17 files changed, 236 insertions(+), 15 deletions(-)
create mode 100644 Question10-InstanceAndClass/src/main/java/Class.java
rename Question05-switch/src/main/java/Question05_04.java => Question10-InstanceAndClass/src/main/java/Question10_05.java (78%)
create mode 100644 Question11-ConstructorAndStatic/src/main/java/Student.java
create mode 100644 Question12-Encapsulation/src/main/java/Item.java
create mode 100644 Question12-Encapsulation/src/main/java/Question12_02.java
create mode 100644 Question13-Extends/.classpath
create mode 100644 Question13-Extends/.gitignore
create mode 100644 Question13-Extends/.project
create mode 100644 Question13-Extends/.settings/org.eclipse.jdt.core.prefs
create mode 100644 Question13-Extends/.settings/org.eclipse.wst.common.project.facet.core.xml
create mode 100644 Question13-Extends/src/main/java/Animal.java
rename Question05-switch/src/main/java/Question05_05.java => Question13-Extends/src/main/java/Question13_01.java (78%)
create mode 100644 Question13-Extends/src/main/java/Question13_02.java
diff --git a/Question04-while/src/main/java/Question04_05.java b/Question04-while/src/main/java/Question04_05.java
index 5376064..514c6d1 100644
--- a/Question04-while/src/main/java/Question04_05.java
+++ b/Question04-while/src/main/java/Question04_05.java
@@ -1,22 +1,67 @@
+import java.util.Random;
import java.util.Scanner;
+
public class Question04_05 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
//勝敗
boolean winFlag = false;
-
- //最初の言葉
- System.out.println("じゃんけんを行います。、あなたの出す手を入力してください、0:グー, 1:チョキ, 2:パー");
- Scanner sc = new Scanner(System.in);
- int select = sc.nextInt();
- int playerHand = select;
+
-
-
- while(true) {
+ while(true) {
+ //自分側の手
+ System.out.println("じゃんけんを行います。、あなたの出す手を入力してください、0:グー, 1:チョキ, 2:パー");
+ Scanner sc = new Scanner(System.in);
+ int select = sc.nextInt();
+ int playerHand = select;
+
+ if(playerHand == 0) {
+ System.out.println("あなたはグーを出しました");
+
+ } else if(playerHand == 1) {
+ System.out.println("あなたはチョキを出しました");
+
+ } else {
+ System.out.println("あなたはパーを出しました");
+ }
+
- }
+ //コンピュータ側の手
+
+ // 1. Randomクラスのインスタンスを生成
+ Random rand = new Random();
+
+ // 2. 乱数を取得するメソッドを呼ぶ
+ int npcHand = rand.nextInt(2); // int型の範囲でランダムな整数
+
+ if(npcHand == 0) {
+ System.out.println("相手はグーを出しました");
+
+ } else if(playerHand == 1) {
+ System.out.println("相手はチョキを出しました");
+
+ } else {
+ System.out.println("相手はパーを出しました");
+ }
+
+ //勝敗を決める
+
+ if(playerHand == npcHand) {
+ System.out.println("あいこです");
+ continue;
+
+ } else if((playerHand == 0 && npcHand == 1) || (playerHand == 1 && npcHand == 2) || (playerHand == 2 && npcHand == 0)) {
+ System.out.println("あなたの勝ちです");
+
+ } else {
+ System.out.println("あなたの負けです");
+ continue;
+ }
+ break;
+ }
+
+
}
diff --git a/Question05-switch/src/main/java/Question05_03.java b/Question05-switch/src/main/java/Question05_03.java
index febf202..ffd8949 100644
--- a/Question05-switch/src/main/java/Question05_03.java
+++ b/Question05-switch/src/main/java/Question05_03.java
@@ -1,9 +1,61 @@
+import java.util.Random;
+import java.util.Scanner;
public class Question05_03 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
+ System.out.println(
+ "=========================================\n" +
+ "ゲームの説明\n" +
+ "=========================================\n" +
+
+ "これからハイ＆ローゲームを行います。\n" +
+ "ハイ＆ローゲームは、あなたのカードがディーラーのカードより大きいか小さいかを予想するゲームです。\n" +
+ "=========================================\n" +
+ "ゲーム開始\n" +
+ "=========================================");
+
+
+ Random random = new Random();
+ //ディーラーのカード
+ int dealerCard = random.nextInt(14);
+
+ System.out.println("ディーラーのカードは" + dealerCard +"です");
+
+ //自分のカード
+ int myCard = random.nextInt(14);
+
+ //空行
+ System.out.println();
+
+ System.out.println("あなたのカードがディーラのカードより大きい場合は H 小さい場合は L を入力してください。");
+ System.out.println("※ カードの数値が同じ場合はあなたの勝ちです。");
+
+
+ //あなたのカードがディーラーのカードより大きいか小さいか
+ Scanner scan = new Scanner(System.in);
+ String judgement = scan.nextLine();
+
+ System.out.println("あなたのカードは" + myCard + "です");
+
+ //空行
+ System.out.println();
+
+ System.out.println(
+ "=========================================\n" +
+ "勝敗判定\n" +
+ "========================================="
+ );
+ //勝敗判定
+ if((myCard == dealerCard) || (judgement == "H" && myCard > dealerCard) || (judgement == "L" && myCard < dealerCard)) {
+ System.out.println("あなたの勝ちです");
+ } else if ((judgement !="H") || (judgement != "L")) {
+ System.out.println("不正な値が入力されました");
+ } else {
+ System.out.println("あなたの負けです");
+ }
}
-
+
}
diff --git a/Question10-InstanceAndClass/src/main/java/Class.java b/Question10-InstanceAndClass/src/main/java/Class.java
new file mode 100644
index 0000000..066d608
--- /dev/null
+++ b/Question10-InstanceAndClass/src/main/java/Class.java
@@ -0,0 +1,4 @@
+
+public class Class {
+ int baseNum;
+}
diff --git a/Question05-switch/src/main/java/Question05_04.java b/Question10-InstanceAndClass/src/main/java/Question10_05.java
similarity index 78%
rename from Question05-switch/src/main/java/Question05_04.java
rename to Question10-InstanceAndClass/src/main/java/Question10_05.java
index e2feaa8..0cd38cd 100644
--- a/Question05-switch/src/main/java/Question05_04.java
+++ b/Question10-InstanceAndClass/src/main/java/Question10_05.java
@@ -1,5 +1,5 @@
-public class Question05_04 {
+public class Question10_05 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
diff --git a/Question11-ConstructorAndStatic/src/main/java/Atm.java b/Question11-ConstructorAndStatic/src/main/java/Atm.java
index 2d9c4d6..4efdde7 100644
--- a/Question11-ConstructorAndStatic/src/main/java/Atm.java
+++ b/Question11-ConstructorAndStatic/src/main/java/Atm.java
@@ -12,7 +12,7 @@ public class Atm {
if(credit < money) {
System.out.println("預金残高不足です。現金の引き出しに失敗しました。");
} else {
- System.out.println("ATMの残り残高はx" + (credit - money) + "です");
+ System.out.println("ATMの残り残高はx" + (credit - wallet.money) + "です");
}
}
diff --git a/Question11-ConstructorAndStatic/src/main/java/Question11_03.java b/Question11-ConstructorAndStatic/src/main/java/Question11_03.java
index f5f386f..d99dac7 100644
--- a/Question11-ConstructorAndStatic/src/main/java/Question11_03.java
+++ b/Question11-ConstructorAndStatic/src/main/java/Question11_03.java
@@ -3,7 +3,16 @@ public class Question11_03 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
-
+ //インスタンスの生成
+ Student schooldate = new Student();
+
+ schooldate.name = "太郎";
+ schooldate.group = "A";
+ schooldate.teacher = "山田";
+
+ schooldate.studentProfile();
+ schooldate.groupProfile();
+
}
}
diff --git a/Question11-ConstructorAndStatic/src/main/java/Student.java b/Question11-ConstructorAndStatic/src/main/java/Student.java
new file mode 100644
index 0000000..ef05502
--- /dev/null
+++ b/Question11-ConstructorAndStatic/src/main/java/Student.java
@@ -0,0 +1,16 @@
+
+public class Student {
+ //フィールドの宣言
+ String name;
+ String group;
+ String teacher;
+
+ //メソッドの生成
+ public void studentProfile() {
+ System.out.println(name + "は" + group + "教室の生徒です。");
+ }
+
+ public void groupProfile() {
+ System.out.println(group + "教室の担任は" + teacher + "先生です。");
+ }
+}
diff --git a/Question12-Encapsulation/src/main/java/Item.java b/Question12-Encapsulation/src/main/java/Item.java
new file mode 100644
index 0000000..261834e
--- /dev/null
+++ b/Question12-Encapsulation/src/main/java/Item.java
@@ -0,0 +1,24 @@
+public class Item {
+
+ private String item = "アイテムA";
+
+
+ // ゲッターセッターの設定
+ public String getItem() {
+ return item;
+ }
+
+ public void setItem(String item) {
+ this.item = item;
+ }
+
+ //コンストラクタの設定
+ public Item(String item) {
+ this.item = item;
+ }
+
+ //メソッドの設定
+ public void itembox() {
+ System.out.println(item);
+ }
+}
diff --git a/Question12-Encapsulation/src/main/java/Question12_02.java b/Question12-Encapsulation/src/main/java/Question12_02.java
new file mode 100644
index 0000000..b6d8572
--- /dev/null
+++ b/Question12-Encapsulation/src/main/java/Question12_02.java
@@ -0,0 +1,15 @@
+
+public class Question12_02 {
+
+ public static void main(String[] args) {
+ // TODO 自動生成されたメソッド・スタブ
+ //インスタンスの生成
+ Item secretitem = new Item();
+
+ secretitem.itembox();
+ secretitem.setItem();
+ System.out.println(secretitem.getItem());
+
+ }
+
+}
diff --git a/Question13-Extends/.classpath b/Question13-Extends/.classpath
new file mode 100644
index 0000000..c771657
--- /dev/null
+++ b/Question13-Extends/.classpath
@@ -0,0 +1,6 @@
+
+
+
+
+
+
diff --git a/Question13-Extends/.gitignore b/Question13-Extends/.gitignore
new file mode 100644
index 0000000..84c048a
--- /dev/null
+++ b/Question13-Extends/.gitignore
@@ -0,0 +1 @@
+/build/
diff --git a/Question13-Extends/.project b/Question13-Extends/.project
new file mode 100644
index 0000000..5c757c4
--- /dev/null
+++ b/Question13-Extends/.project
@@ -0,0 +1,23 @@
+
+
+ Question13-Extends
+
+
+
+
+
+ org.eclipse.jdt.core.javabuilder
+
+
+
+
+ org.eclipse.wst.common.project.facet.core.builder
+
+
+
+
+
+ org.eclipse.wst.common.project.facet.core.nature
+ org.eclipse.jdt.core.javanature
+
+
diff --git a/Question13-Extends/.settings/org.eclipse.jdt.core.prefs b/Question13-Extends/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..23fa13b
--- /dev/null
+++ b/Question13-Extends/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,9 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.compliance=21
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=21
diff --git a/Question13-Extends/.settings/org.eclipse.wst.common.project.facet.core.xml b/Question13-Extends/.settings/org.eclipse.wst.common.project.facet.core.xml
new file mode 100644
index 0000000..c1a8d07
--- /dev/null
+++ b/Question13-Extends/.settings/org.eclipse.wst.common.project.facet.core.xml
@@ -0,0 +1,4 @@
+
+
+
+
diff --git a/Question13-Extends/src/main/java/Animal.java b/Question13-Extends/src/main/java/Animal.java
new file mode 100644
index 0000000..ea2c5d1
--- /dev/null
+++ b/Question13-Extends/src/main/java/Animal.java
@@ -0,0 +1,4 @@
+
+public class Animal {
+
+}
diff --git a/Question05-switch/src/main/java/Question05_05.java b/Question13-Extends/src/main/java/Question13_01.java
similarity index 78%
rename from Question05-switch/src/main/java/Question05_05.java
rename to Question13-Extends/src/main/java/Question13_01.java
index 8eb0692..ca90db0 100644
--- a/Question05-switch/src/main/java/Question05_05.java
+++ b/Question13-Extends/src/main/java/Question13_01.java
@@ -1,5 +1,5 @@
-public class Question05_05 {
+public class Question13_01 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
diff --git a/Question13-Extends/src/main/java/Question13_02.java b/Question13-Extends/src/main/java/Question13_02.java
new file mode 100644
index 0000000..4558298
--- /dev/null
+++ b/Question13-Extends/src/main/java/Question13_02.java
@@ -0,0 +1,9 @@
+
+public class Question13_02 {
+
+ public static void main(String[] args) {
+ // TODO 自動生成されたメソッド・スタブ
+
+ }
+
+}