Program Sederhana Kalkulator Konversi Suhu
1. Script
Class Celcius
package KalkulatorKonversiSuhu;
public class Celcius {
double
toFahrenheit(){
//°F =
°C × 1,8 + 32
return
(KonversiSuhu.SuhuAwal*1.8+32);
}
double
toReamur(){
//°Ré =
°C × 0,8
return
(KonversiSuhu.SuhuAwal*0.8);
}
double
toKelvin(){
//K = °C
+ 273,15
return
(KonversiSuhu.SuhuAwal+273.15);
}
}
2. Script
Class Fahrenheit
package KalkulatorKonversiSuhu;
public class Fahrenheit {
double
toReamur(){
//°Ré =
(°F − 32) / 2,25
return
((KonversiSuhu.SuhuAwal-32)/2.25);
}
double
toKelvin(){
//K =
(°F + 459,67) / 1,8
return
((KonversiSuhu.SuhuAwal+459.67)/ 1.8);
}
double
toCelcius(){
//°C =
(°F − 32) / 1,8
return
((KonversiSuhu.SuhuAwal-32)/1.8);
}
}
3. Script
Class Kelvin
package KalkulatorKonversiSuhu;
public class Kelvin {
double
toFahrenheit(){
//°F = K
× 1,8 − 459,67
return
(KonversiSuhu.SuhuAwal*1.8-459.67);
}
double
toReamur(){
//°Ré =
(K − 273,15) × 0,8
return
((KonversiSuhu.SuhuAwal-273.15)*0.8);
}
double
toCelcius(){
//°C = K
− 273,15
return
(KonversiSuhu.SuhuAwal-273.15);
}
}
4. Script
Class Reamur
package KalkulatorKonversiSuhu;
public class Reamur {
double
toFahrenheit(){
//°F =
°Ré × 2,25 + 32
return
(KonversiSuhu.SuhuAwal*2.25+32);
}
double
toKelvin(){
//K =
°Ré / 0,8 + 273,15
return
(KonversiSuhu.SuhuAwal/0.8+237.15);
}
double
toCelcius(){
//°C =
°Ré / 0,8
return
(KonversiSuhu.SuhuAwal/0.8);
}
}
5. Main
Class Konversi Suhu
package KalkulatorKonversiSuhu;
import java.util.*;
public class KonversiSuhu {
static
double SuhuAwal;
static char
Awal;
public
static void main(String[] args) {
// TODO
code application logic here
Celcius
fromCelcius = new Celcius();
Fahrenheit fromFahrenheit = new Fahrenheit();
Reamur
fromReamur = new Reamur();
Kelvin
fromKelvin = new Kelvin();
double
Fahrenheit, Kelvin,Celcius,Reamur;
boolean
valid=false;
Scanner
input = new Scanner(System.in);
while(valid!=true)
{
System.out.println("Program Konversi Suhu");
System.out.print("Masukkan suhu awal dan nilainya (D/F/R/K) (misal
: 100 C):");
SuhuAwal=input.nextDouble();
Awal
= input.next().charAt(0);
switch(Awal){
case 'C':
Reamur = fromCelcius.toReamur();
Fahrenheit = fromCelcius.toFahrenheit();
Kelvin = fromCelcius.toKelvin();
System.out.println("Suhu awal ="+SuhuAwal+"
Celcius\nHasil:");
System.out.println("Fahrenheit : "+Fahrenheit);
System.out.println("Kelvin
: "+Kelvin);
System.out.println("Reamur : "+Reamur);
valid=true;
break;
case 'F':
Celcius = fromFahrenheit.toCelcius();
Reamur = fromFahrenheit.toReamur();
Kelvin = fromFahrenheit.toKelvin();
System.out.println("Suhu awal ="+SuhuAwal+"
Fahrenheit\nHasil:");
System.out.println("Celcius : "+Celcius);
System.out.println("Kelvin : "+Kelvin);
System.out.println("Reamur : "+Reamur);
valid=true;
break;
case 'K':
Celcius = fromKelvin.toCelcius();
Reamur = fromKelvin.toReamur();
Fahrenheit = fromKelvin.toFahrenheit();
System.out.println("Suhu awal ="+SuhuAwal+"
Kelvin\nHasil:");
System.out.println("Celcius : "+Celcius);
System.out.println("Fahrenheit : "+Fahrenheit);
System.out.println("Reamur : "+Reamur);
valid=true;
break;
case 'R':
Celcius = fromReamur.toCelcius();
Fahrenheit = fromReamur.toFahrenheit();
Kelvin = fromReamur.toKelvin();
System.out.println("Suhu awal ="+SuhuAwal+"
Reamur\nHasil:");
System.out.println("Celcius : "+Celcius);
System.out.println("Fahrenheit : "+Fahrenheit);
System.out.println("Kelvin : "+Kelvin);
valid=true;
break;
default :
System.out.println("Masukkan suhu
secara benar [C,F,K,R]");
}
}
}
}
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