Program Konversi Suhu

Labels: kumpulan program java

import java.io.*;

public class konversisuhu
{
   //konversi suhu dari celcius ke rearmur dan fahrenhit
   public static void celcius() throws IOException
   {
       BufferedReader stdin =
           new BufferedReader (new InputStreamReader(System.in));

        System.out.print("Masukkan Suhu Celcius = ");
        double c = Double.parseDouble(stdin.readLine());

        double r =(4.0/5.0) * c;
         double f =(9.0/5.0) * c+32 ;

        System.out.println("Suhu Rearmur    = "+r+" derajat");
        System.out.println("Suhu Fahrenheit = "+f+" derajat");
    }

    //konversi suhu dari rearmur ke celcius dan fahrenhit
    public static void rearmur() throws IOException
    {
        BufferedReader stdin =
            new BufferedReader (new InputStreamReader(System.in));

        System.out.print("Masukkan Suhu Celcius = ");
        double r = Double.parseDouble(stdin.readLine());

        double c =(5.0/4.0) * r;
         double f =(9.0/4.0) * c+32 ;

        System.out.println("Suhu Celcius = "+c+" derajat");
        System.out.println("Suhu Fahrenhiet = "+f+" derajat");
    }

    //konversi suhu dari fahrenheit ke celcius dan rearmur
    public static void fahrenheit() throws IOException
    {
        BufferedReader stdin =
            new BufferedReader (new InputStreamReader(System.in));

        System.out.print("Masukkan Suhu Celcius = ");
        double f = Double.parseDouble(stdin.readLine());

        double c =(5.0/9.0) * (f-32);
         double r =(9.0/4.0) * (f-32) ;

        System.out.println("Suhu Celsius = "+c+" derajat");
        System.out.println("Suhu Rearmur = "+r+" derajat");
    }

    public static void main(String[] args) throws IOException
    {
        BufferedReader stdin =
            new BufferedReader (new InputStreamReader(System.in));

        int u=1;
        while(u!=0)
        {//=========================

        System.out.println("KONVERSI SUHU");
        System.out.println("=============\n");
        System.out.println("");

        System.out.println("Tentukan arah konversi");
        System.out.println("1. Celcius - rearmur - fahrenheit");
        System.out.println("2. Rearmur - celcius - fahrenheit");
        System.out.println("3. Fahrenheit - celcius - rearmur");
        System.out.println("4. Keluar");
        System.out.print("Masukkan pilihan : ");
        int pilih = Integer.parseInt(stdin.readLine());

        switch(pilih)
        {
            case 1 : celcius();break;
            case 2 : rearmur();break;
            case 3 : fahrenheit();break;
            case 4 : System.out.print("Terima kasih . . . ");u=0;break;
            default : System.out.print("Masukkan pilihan 1 - 3");
        }
        System.in.read();

        }//=========================
    }
}