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3 years ago

Your project must satisfy the following requirements:

Computers and Technology

1 answer:

melomori [17]3 years ago

7 0

Answer:

Check the explanation

Explanation:

using System;

using System.Collections;

namespace HelloWorldApplication

{

class Temperature{

public double degrees;

double scale; // use of this field is not specified

public override string ToString(){

return ("degrees:"+degrees+", scale:"+scale);

}

class Location{

int x;

int y;

public Location(int x, int y){

this.x = x;

this.y = y;

}

public double getDistance(Location otherLoc){

return Math.Sqrt((x-otherLoc.x)*(x-otherLoc.x) +(y-otherLoc.y)*(y-otherLoc.y) );

}

public override string ToString(){

return ("("+x+", "+y+")");

}

class Pool{

public Pool(){

count++;

}

public static int count=0;

public Location location;

public Temperature temperature;

public override string ToString(){

return ("location:"+location+", temperature:"+temperature);

}

class Driver

{

static void Main(string[] args)

{

Random r = new Random();

ArrayList list = new ArrayList();

Console.WriteLine("Before adding pool count : "+Pool.count);

Pool pool = new Pool();

pool.location = new Location(4,8);

pool.temperature = new Temperature();

pool. temperature. degrees =r. Next (98,105);

list. Add(pool);

Console. WriteLine("After adding pool count : "+Pool. count);

Console.WriteLine("Before adding pool count : "+Pool.count);

pool = new Pool();

pool.location = new Location(12,9);

pool.temperature = new Temperature();

pool. temperature. degrees =r.Next (98,105);

list.Add(pool);

Console.WriteLine("After adding pool count : "+Pool.count);

Console.WriteLine("Before adding pool count : "+Pool.count);

pool = new Pool();

pool.location = new Location(6,6);

pool.temperature = new Temperature();

pool.temperature. degrees =r.Next (98,105);

list.Add(pool);

Console.WriteLine("After adding pool count : "+Pool.count);

Location location = new Location(0,0);

// You can even use Minimum Spanning Tree algorithm to reduce the time complexity

Console.WriteLine("Path is : ");

while(list.Count > 0){

Pool selectedPool = null;

double dist =double.MaxValue;

foreach (Pool i in list)

{

if(i.location.getDistance(location) < dist){

selectedPool = i;

}

Console.Write(selectedPool + " >> " );

location = selectedPool.location;

list.Remove(selectedPool);

}

/* my first program in C# */

Console.WriteLine(" end.");

Console.ReadKey();

}

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Answer:

Here is the Circle class:

public class Circle { // class definition

private int radius; // private data member of type int of class Circle named radius that stores the value of radius

public Circle(int r) { // parameterized constructor of class Circle that takes radius as argument

radius = r; } // sets value of radius as r

public int getRadius() { // accessor method to get the value of radius

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return 2* Math.PI * radius; } } //the formula of circumference is

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Explanation:

Here is the Main class:

import java.util.Scanner; //to accept input from user

public class Main { //definition of Main class

public static void main(String[] args) { //start of main method

Scanner scanner = new Scanner (System.in); //creates Scanner object to take input from user

System.out.println("Enter radius: "); //prompts user to enter radius

int r = scanner.nextInt(); //reads the value of radius from user

Circle c = new Circle(r); // calls Constructor of Circle passing r as argument to it using the object c of class Circle

if(c.getRadius()<=0){ //calls getRadius method to get current value of radius using objec and checks if this value (input value of r ) is less than or equal to 0

System.out.println("Error!"); } //when above if condition evaluates to true then print this Error! message

else { //if the value of radius is greater than 0

System.out.println("the radius of this Circle is: " +c.getRadius()); //calls getRadius method to return current value of r (input value by user)

System.out.println("the diameter of this Circle is: " + c.Diameter()); //calls Diameter method to compute the diameter of Circle and display the result on output screen

System.out.printf("the circumference of this Circle is: %.2f", c.Circumference()); //calls Circumference method to compute the Circumference of Circle and display the result on output screen

System.out.println(); //prints a line

System.out.printf("the Area of this Circle is: %.2f", c.Area()); } } }

//calls Area method to compute the Area of Circle and display the result on output screen

The program and its output is attached.