Question

// TODO code application logic here
//Question 1: Currency conversion
// Write some code that first asks the user to type the current
// conversion rate for 1 U.S. Dollar (USD) to 1 Euro. Next, in a while
// loop, ask users for an amount in USD, read it in, and convert it to
// Euro, printing as you go. Use 0 as a sentinel (i.e.: a signal to
// stop the loop).
// Here's a sample run:
// Whats the current conversion rate for 1 USD to 1 Euro:
// .85
// Enter an amount in USD:
// 10.0
// 10.0 in USD is equal to 8.5 Euro
// Enter an amount in USD:
// 2.0
// 2.0 in USD is equal to 1.7 Euro
// Enter an amount in USD:
// 0
// Quitting...
  

*******In Java*********

Answer 1

Explanation:

here is the code which creates a scanner object and asks for the conversion rate first.

Then it asks for the amount again and again and keeps converting it using the conversion rate until 0 is entered.

Code:

import java.util.Scanner;

public class Main
{
   public static void main(String[] args) {
  
   Scanner sc = new Scanner(System.in);
  
       System.out.println("Whats the current conversion rate for 1 USD to 1 Euro: ");
       double conversion = sc.nextDouble();
      
      
       while(true)
       {
       System.out.println("Enter an amount in USD: ");
       double usd = sc.nextDouble();
      
       if(usd==0)
       {
       System.out.println("Quitting..");
       break;
       }
      
       System.out.println(usd+" in USD is equal to "+(usd*conversion)+" Euro");
       }
      
      
      
      
   }
}

Output:

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