From 67393f42f41ab92219deb549f711121c4dab845b Mon Sep 17 00:00:00 2001 From: Nguyễn Gia Phong Date: Sun, 15 Dec 2019 10:34:58 +0700 Subject: [usth/ICT2.2] Object Oriented Programming --- usth/ICT2.2/labwork/5/Java/interface/Cylinder.java | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 usth/ICT2.2/labwork/5/Java/interface/Cylinder.java (limited to 'usth/ICT2.2/labwork/5/Java/interface/Cylinder.java') diff --git a/usth/ICT2.2/labwork/5/Java/interface/Cylinder.java b/usth/ICT2.2/labwork/5/Java/interface/Cylinder.java new file mode 100644 index 0000000..8fa9e0c --- /dev/null +++ b/usth/ICT2.2/labwork/5/Java/interface/Cylinder.java @@ -0,0 +1,14 @@ +public class Cylinder extends Circle +{ + public double h; + + public Cylinder(double x, double y, double r, double h) + { + super(x, y, r); + this.h = h; + } + + public double calArea() { return super.calArea()*2.0 + r*h*Math.PI*2.0; } + public double calVolume() { return super.calArea() * h; } + public String getName() { return "Circle"; } +} -- cgit 1.4.1