From a9e99590ca6f55098e682299926ae5eb3aa40e4b Mon Sep 17 00:00:00 2001 From: "h.hein" <26-h-kyaw-sakuracommunication@it-college.co.jp> Date: Wed, 16 Sep 2026 13:03:32 +0900 Subject: [PATCH] Day3 Stept 1 --- em-oop/src/day3Keisho/Circle.java | 22 ++++++++++++++++++++++ em-oop/src/day3Keisho/Day3Check1.java | 13 +++++++++++++ em-oop/src/day3Keisho/Shape.java | 19 +++++++++++++++++++ 3 files changed, 54 insertions(+) create mode 100644 em-oop/src/day3Keisho/Circle.java create mode 100644 em-oop/src/day3Keisho/Day3Check1.java create mode 100644 em-oop/src/day3Keisho/Shape.java diff --git a/em-oop/src/day3Keisho/Circle.java b/em-oop/src/day3Keisho/Circle.java new file mode 100644 index 0000000..82a3c30 --- /dev/null +++ b/em-oop/src/day3Keisho/Circle.java @@ -0,0 +1,22 @@ +package day3Keisho; + +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/day3Keisho/Day3Check1.java b/em-oop/src/day3Keisho/Day3Check1.java new file mode 100644 index 0000000..d8aefc8 --- /dev/null +++ b/em-oop/src/day3Keisho/Day3Check1.java @@ -0,0 +1,13 @@ +package day3Keisho; + +public class Day3Check1 { + + public static void main(String[] args) { + // TODO 自動生成されたメソッド・スタブ + Circle circle = new Circle(2.0); + + circle.showInfo(); + + } + +} diff --git a/em-oop/src/day3Keisho/Shape.java b/em-oop/src/day3Keisho/Shape.java new file mode 100644 index 0000000..ef93f46 --- /dev/null +++ b/em-oop/src/day3Keisho/Shape.java @@ -0,0 +1,19 @@ +package day3Keisho; + +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"); + } + +}