Answered: Write static methods: public static…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Write static methods: public static double cubeVolume(double h) : h^3 public static double cubeSurface(double h) : 6h^2 public static double cylinderVolume(double r, double h) : hπr^2 public static double cylinderSurface(double r, double h) : 2rπh+2πr^2 that compute the volume and surface area of a cube with height h, and a cylinder with circular base with radius r and height h. Place them into a class named “Geometry.java”. Then write a program with main class called “Lab7_yourID.java” that prompts the user for the values of r and h, calls the four methods, and prints the results. (Optional) Reconsider your previous solution by implementing classes Cube, and Cylinder separately instead of a single class “Geometry” (part A). Which approach is more object-oriented?

Area of Plane Shapes
Area is the size of a surface!
Learn more about Area, or try the Area Calculator.
Triangle
Square
Area = 2 x b x h
a
Area = a?
b = base
h = vertical height
a = length of side
Rectangle
Parallelogram
Area = w x h
Area = b x h
w = width
h = height
b = base
h = vertical height
Circle
Trapezoid (US)
Trapezium (UK).
Area = 2(a+b) × h
h = vertical height
a
Area = T x r2
th
Circumference = 2 x Xr
r = radius
Sector
Area = 2 x r² x e
r = radius
e = angle in radians
Ellipse
Area = nab
Note: h is at right angles to b: h

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