└── currency converter.java


/currency converter.java:
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 1 | import java.util.*;
 2 | public class currencyconv {
 3 |     //variable declaration
 4 |     public static double yen, dollar, euro, Y,D,E;
 5 |     //constructor
 6 |     currencyconv(){
 7 |         Y = 0.57;
 8 |         D = 83;
 9 |         E = 91;
10 |     }
11 |     //method to convert yen,dollar,euro to indian rupee
12 |     public static void toInr(double yen, double dollar, double euro){
13 |         double ry, rd, re;
14 |         ry = yen*Y;
15 |         rd = dollar*D;
16 |         re = euro*E;
17 |         System.out.println("Rupees equivalent of "+yen+" yen is Rs: "+ry);
18 |         System.out.println("Rupees equivalent of "+dollar+" yen is Rs: "+rd);
19 |         System.out.println("Rupees equivalent of "+euro+" yen is Rs: "+re);
20 |     }
21 |     //method to convert indian rupee to yen,dollar,euro
22 |     public static void inrTo(double inr){
23 |         double y,d,e;
24 |         y = inr/Y;
25 |         d = inr/D;
26 |         e = inr/E;
27 |         System.out.println("Yen equivalent of "+inr+" inr is Yen: "+String.format("%.2f",y));
28 |         System.out.println("Dollar equivalent of "+inr+" inr is Dollar: "+String.format("%.2f",d));
29 |         System.out.println("Euro equivalent of "+inr+" inr is Euro: "+String.format("%.2f",e));
30 |     }
31 |     //main class
32 |     public static void main(String[] args){
33 |         //object and variable declaration
34 |         Scanner sc = new Scanner(System.in);
35 |         currencyconv c = new currencyconv();
36 |         double yen=0, dollar=0, euro=0, inr=0;
37 |         
38 |         // currency conversion method 1
39 |         System.out.println("Currency conversion: Yen,Dollar,Euro to INR");
40 |         System.out.print("enter yen: ");
41 |         yen = sc.nextDouble();
42 |         System.out.print("enter dollar: ");
43 |         dollar = sc.nextDouble();
44 |         System.out.print("enter euro: ");
45 |         euro = sc.nextDouble();
46 |         toInr(yen,dollar,euro);
47 | 
48 |         System.out.println("-----------------------------");
49 |         
50 |         //currency conversion method 2
51 |         System.out.println("Currency conversion: INR to Yen,Dollar,Euro");
52 |         System.out.print("enter inr: ");
53 |         inr = sc.nextDouble();
54 |         inrTo(inr);
55 |     }
56 | }
57 | 


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