Calculate the area and diameter of Circle Program plan: Filename: “Circle.java” Define the “Cirle” class Declare the required variables. Define constructor Set the radius value as 1. Call the “calc” method. Define the “setRadius” method Set the value Call the “calc” method Define the “getRadius” method Return the radius Define the “getDiameter” method Return the diameter Define the “getArea” method Return the area Define the “calc” method Calculate the diameter of the circle Calculate the area of the circle. Filename: “TestCircle.java” Define the “TestCircle” class Define the main method. Create the objects for “Circle” class Call the “setRadius” method with different values Call the “display” method Define the “display” method Display the radius, diameter, and area of the circle.

Question

Create 6 users: Don, Liz, Shamir, Jose, Kate, and Sal. Create 2 groups: marketing and research. Add Shamir, Jose, and Kate to the marketing group. Add Don, Liz, and Sal to the research group. Create a shared directory for each group. Create two files to put into each directory: spreadsheetJanuary.txt meetingNotes.txt Assign access permissions to the directories: Groups should have Read+Write access Leave owner permissions as they are “Everyone else” should not have any access Submit for grade: Screenshot of /etc/passwd contents showing your new users Screenshot of /etc/group contents showing new groups with their members Screenshot of shared directories you created with files and permissions

Answer 1

Question

Chapter 4, Problem 6PE

Program Plan Intro

Calculate the area and diameter of Circle

Program plan:

Filename: “Circle.java”

Define the “Cirle” class

Declare the required variables.

Define constructor

Set the radius value as 1.

Call the “calc” method.

Define the “setRadius” method

Set the value

Call the “calc” method

Define the “getRadius” method

Return the radius

Define the “getDiameter” method

Return the diameter

Define the “getArea” method

Return the area

Define the “calc” method

Calculate the diameter of the circle

Calculate the area of the circle.

Filename: “TestCircle.java”

Define the “TestCircle” class

Define the main method.

Create the objects for “Circle” class

Call the “setRadius” method with different values

Call the “display” method

Define the “display” method

Display the radius, diameter, and area of the circle.

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Create 6 users: Don, Liz, Shamir, Jose, Kate, and Sal. Create 2 groups: marketing and research. Add Shamir, Jose, and Kate to the marketing group. Add Don, Liz, and Sal to the research group. Create a shared directory for each group. Create two files to put into each directory: spreadsheetJanuary.txt meetingNotes.txt Assign access permissions to the directories: Groups should have Read+Write access Leave owner permissions as they are “Everyone else” should not have any access Submit for grade: Screenshot of /etc/passwd contents showing your new users Screenshot of /etc/group contents showing new groups with their members Screenshot of shared directories you created with files and permissions

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