From bafd218505fe3f34130835ce5ee1bfd017b3993a Mon Sep 17 00:00:00 2001 From: y-ogawa <26-y-ogawa-tmn@it-college.co.jp> Date: Wed, 16 Sep 2026 15:54:10 +0900 Subject: [PATCH] =?UTF-8?q?3=E6=97=A5=E7=9B=AE=E6=AE=B5=E9=9A=8E1=E3=81=A7?= =?UTF-8?q?=E3=81=99?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- em-oop/src/Circle.java | 22 ++++++++++++++++++++++ em-oop/src/DayCheck1.java | 9 +++++++++ em-oop/src/Shape.java | 17 +++++++++++++++++ 3 files changed, 48 insertions(+) create mode 100644 em-oop/src/Circle.java create mode 100644 em-oop/src/DayCheck1.java create mode 100644 em-oop/src/Shape.java diff --git a/em-oop/src/Circle.java b/em-oop/src/Circle.java new file mode 100644 index 0000000..5df01c6 --- /dev/null +++ b/em-oop/src/Circle.java @@ -0,0 +1,22 @@ + +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 + ")"); + + } +} diff --git a/em-oop/src/DayCheck1.java b/em-oop/src/DayCheck1.java new file mode 100644 index 0000000..5393158 --- /dev/null +++ b/em-oop/src/DayCheck1.java @@ -0,0 +1,9 @@ + +public class DayCheck1 { + + public static void main(String[] args) { + Circle radius = new Circle(2); + + radius.showInfo(); + } +} diff --git a/em-oop/src/Shape.java b/em-oop/src/Shape.java new file mode 100644 index 0000000..cb557e0 --- /dev/null +++ b/em-oop/src/Shape.java @@ -0,0 +1,17 @@ + +public class Shape { + private String name; + + public Shape(String name) { + + this.name =name; + } + + public double area() { + return 0.0; + } + + public void showInfo() { + System.out.println(this.name + "の面積は" + this.area() + "です"); + } +}