Conversion using Packages

/*

Develop a java application to implement currency converter (Dollar to INR, EURO to INR, Yen to INR and vice versa), distance converter (meter to KM, miles to KM and vice versa), time converter (hours to minutes, seconds and vice versa) using packages.

*/

package converters;

/*

Todays rate

1 DOLLAR = 68.84 INR

1 EURO = 80.90 INR

1 YEN = 0.62 INR

*/

// currency.java

import java.io.*;

import java.util.*;

public class currency

{

     int type;

     double DOLLAR, YEN, EURO, INR ;

     double Val;

     Scanner s = new Scanner(System.in);

     public void fnRead()

     {

          System.out.println(“Enter type of Denomination : “);

          System.out.println(“1 : DOLLAR”);

          System.out.println(“2 : EURO”);

          System.out.println(“3 : YEN”);

          System.out.println(“4 : INR”);

          System.out.print(“Enter option : “);

          type = Integer.parseInt(s.nextLine().trim());

          System.out.print(“Enter number of denominations to be converted : “);

          Val = Double.parseDouble(s.nextLine().trim());

     }

     public void fnConvert()

     {

          System.out.println(“Currency conversion : “);

          switch(type)

          {

              case 1:    INR = Val * 68.84;

                             System.out.println(“Dollar = “+Val);

                             System.out.println(“INR = “+INR);

                             break;

              case 2:    INR = Val * 80.90;

                             System.out.println(“EURO = “+Val);

                             System.out.println(“INR = “+INR);

                             break;

              case 3:    INR = Val * 0.62;

                             System.out.println(“YEN = “+Val);

                             System.out.println(“INR = “+INR);

                             break;

              case 4:    DOLLAR = Val / 68.84;

                             EURO = Val / 80.90;

                             YEN = Val / 0.62;

                             System.out.println(“INR = “+Val);

                             System.out.println(“Dollar = “+DOLLAR);

                             System.out.println(“EURO = “+EURO);

                             System.out.println(“YEN = “+YEN);

                             break;

          }

     }

}

// distance.java

package converters;

/*

1 KM = 1000 METERS

1 KM = 0.621371 MILES

*/

import java.io.*;

import java.util.*;

public class distance

{

     int type;

     double METER, KM, MILES ;

     double Val;

     Scanner s = new Scanner(System.in);

     public void fnRead()

     {

          System.out.println(“Enter type : “);

          System.out.println(“1 : METER”);

          System.out.println(“2 : MILES”);

          System.out.println(“3 : KM”);

          System.out.print(“Enter option : “);

          type = Integer.parseInt(s.nextLine().trim());

          System.out.print(“Enter Value to be converted : “);

          Val = Double.parseDouble(s.nextLine().trim());

     }

     public void fnConvert()

     {

          System.out.println(“Distance conversion : “);

          switch(type)

          {

              case 1:    KM = Val / 1000;

                             System.out.println(“METER = ” + Val);

                             System.out.println(“KM = ” + KM);

                             break;

              case 2:    KM = Val / 0.621371;

                             System.out.println(“MILES = “+Val);

                             System.out.println(“KM = “+KM);

                             break;

              case 3:    METER = Val * 1000;

                             MILES = Val * 0.621371;

                             System.out.println(“KM = “+Val);

                             System.out.println(“METER = “+METER);

                             System.out.println(“MILES = “+MILES);

                             break;

          }

     }

}

// time.java

package converters;

import java.io.*;

import java.util.*;

public class time

{

     int type;

     int HR, MIN, SEC ;

     int Val;

     Scanner s = new Scanner(System.in);

     public void fnRead()

     {

          System.out.println(“INPUT TYPE : “);

          System.out.println(“1 : SECONDS”);

          System.out.println(“2 : MINUTES”);

          System.out.println(“3 : HOURS”);

          System.out.print(“Enter option : “);

          type = Integer.parseInt(s.nextLine().trim());

          System.out.print(“Enter value : “);

          Val = Integer.parseInt(s.nextLine().trim());

     }

     public void fnConvert()

     {

          System.out.println(“Time conversion : “);

          switch(type)

          {

              case 1:    MIN = (Val / 60) % 60;

                        HR = Val / 3600;

                        SEC = Val % 60;

                        System.out.println(Val + ” Seconds = ” + HR + ” hours, “+ MIN +” minutes and ” + SEC +” seconds”);

                        break;

              case 2:    HR = Val / 60;

                        MIN = Val % 60;

                        SEC = Val * 60;

                   System.out.println(Val + ” Minutes = ” + HR + ” hours and “+ MIN +” minutes”);

                        System.out.println(Val + ” Minutes = ” + SEC +” Seconds”);

                        break;

              case 3:    HR = Val;

                        MIN = Val * 60;

                        SEC = MIN * 60;

                        System.out.println(HR + ” Hours = “+MIN + ” Minutes”);

                        System.out.println(HR + ” Hours = “+SEC + ” Seconds”);

                        break;

          }

     }

}

// Conversion.java

import java.io.*;

import java.util.*;

import converters.*;

class Conversion

{

     public static void main(String as[])

     {

          currency c1 = new currency();

          c1.fnRead();

          c1.fnConvert();

          distance d1 = new distance();

          d1.fnRead();

          d1.fnConvert();

          time t1 = new time();

          t1.fnRead();

          t1.fnConvert();

     }

}