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JAVA Help!


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import java.util.*;

class Temperature{

double magnitude;

String scale;

public Temperature(double d, String S){

magnitude=d;

scale=S;

}

public String toString(){

/***********************************************************

return the temperature (magnitude and scale) as a string,

formatted with a precision of 2 digits after the decimal

(25 points)

************************************************************/

}

}

class TemperatureConverter{

public Temperature convert(Temperature t){

/**************************************************************

This method must process the received Temperature object, and

convert it to a different scale. If the received Temperature

object is a Fahrenheit temperature a corresponding Celsius

object must be created and returned. Similarly, if a Celsius

temperature object is received a corresponding Fahrenheit object

must be created and returned. The relevant formulae are:

Celsius = 5/9 * (Fahrenheit - 32)

Fahrenheit = 9/5 * Celsius + 32

(75 points)

}

}

public class TempConverterDriver{

/**

* @param args the command line arguments

*/

public static void main(String[] args) {

Scanner kbd = new Scanner(System.in);

TemperatureConverter tc = new TemperatureConverter();

System.out.print("Enter Celsius value: ");

double c = kbd.nextDouble();

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

double f = kbd.nextDouble();

Temperature t1 = new Temperature(c, "Celsius");

Temperature t2 = new Temperature(f, "Fahrenheit");

System.out.println(t1 + " ==> " + tc.convert(t1));

System.out.println(t2 + " ==> " + tc.convert(t2));

}

}

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5 answers to this question

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This is a really simple program. First you need to figure out what temperature type is being passed in (i.e. "Celsius".equals(t.scale)) and then return a new Temperature object with t.magnitude run through the formulas given. toString might give you some problems if you don't know about http://docs.oracle.com/javase/6/docs/api/java/text/DecimalFormat.html

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