Question

Write a Temperature class that will hold a temperature in Fahrenheit, and will provide methods to get and display the temperature in Fahrenheit, Celsius, and Kelvin. The Temperature class should have the following instance variable: ftemp – A double that holds a Fahrenheit temperature. The Temperature class should have the following methods: ReadInput – Uses a Scanner method to populate ftemp with double value. getFahrenheit – Returns the value of the ftemp field, as a Fahrenheit temperature. getCelsius – Returns the value of the ftemp field converted to Celsius. getKelvin – Returns the value of the ftemp field converted to Kelvin. DisplayOutput – The Fahrenheit temperature and the equivalent values in Celsius and Kelvin are gotten and displayed, one per line, and each along with an appropriate message.

Answer 1

Answer:

See explaination

Explanation:

import java.util.Scanner;

public class TemperatureTest {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.print("Enter Fahrenheit temperature: ");

double ftemp = sc.nextDouble();

Temperature temp = new Temperature(ftemp);

System.out.println("The temperature in Fahrenheit is " + temp.getFahrenheit());

System.out.println("The temperature in Celsius is " + temp.getCelsius());

System.out.println("The temperature in Kelvin is " + temp.getKelvin());

}

}

class Temperature {

double ftemp;

Temperature(double ftemp) {

this.ftemp = ftemp;

}

double getFahrenheit(){

return ftemp;

}

double getCelsius(){

return ((double)5/9*(ftemp-32));

}

double getKelvin(){

return (((double)5/9*(ftemp-32))+273);

}

}

Output:

$ java TemperatureTest

Enter Fahrenheit temperature: -40

The temperature in Fahrenheit is -40.0

The temperature in Celsius is -40.0

The temperature in Kelvin is 233.0