Define the following methods: computeBaseArea() has one double parameter as a cylinder's radius. The method returns the area of the cylinder's base as a double. The area of the base is calculated by: �� = � ∗ ��2 computeSurfaceArea() has two double parameters as a cylinder's radius and height. The method returns the cylinder's surface area as a double, and uses the computeBaseArea() method to calculate the cylinder's base area. The surface area is calculated by: �� = (2 ∗ �� ) + (2 ∗ � ∗ �� ∗ ℎ��ℎ�) Click here for example Note: Use Math.PI for �. 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 public class CylinderCalculations { /* Your code goes here */ publicstaticvoidmain(String[] args) { Scannerscan=newScanner(System.in); doublecylinderRadius; doublecylinderHeight; cylinderRadius=scan.nextDouble(); cylinderHeight=scan.nextDouble(); System.out.println("Cylinder radius: "+cylinderRadius); System.out.println("Cylinder height: "+cylinderHeight); System.out.printf("Base area: %.1f\n", computeBaseArea(cylinderRadius)); System.out.printf("Surface area: "); System.out.printf("%.1f\n", computeSurfaceArea(cylinderRadius, cylinderHeight)); } }

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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Question

Define the following methods:

computeBaseArea() has one double parameter as a cylinder's radius. The method returns the area of the cylinder's base as a double. The area of the base is calculated by: �� = � ∗ ��2
computeSurfaceArea() has two double parameters as a cylinder's radius and height. The method returns the cylinder's surface area as a double, and uses the computeBaseArea() method to calculate the cylinder's base area. The surface area is calculated by: �� = (2 ∗ �� ) + (2 ∗ � ∗ �� ∗ ℎ��ℎ�)

Click here for example

Note: Use Math.PI for �.

public class CylinderCalculations {

/* Your code goes here */

publicstaticvoidmain(String[] args) {

Scannerscan=newScanner(System.in);

doublecylinderRadius;

doublecylinderHeight;

cylinderRadius=scan.nextDouble();

cylinderHeight=scan.nextDouble();

System.out.println("Cylinder radius: "+cylinderRadius);

System.out.println("Cylinder height: "+cylinderHeight);

System.out.printf("Base area: %.1f\n", computeBaseArea(cylinderRadius));

System.out.printf("Surface area: ");

System.out.printf("%.1f\n", computeSurfaceArea(cylinderRadius, cylinderHeight));

}

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