Question

Write a program in Java that first asks the user to type in today's price of one dollar in Japanese yen, then reads U.S. dollar values and converts each to yen. Use 0 as a sentinel to denote the end of dollar input. THEN the program reads a sequence of yen amounts and converts them to dollars. The second sequence is terminated by another zero value.

Answer 1

Note: Could you plz go through this code and let me know if u need any changes in this.Thank You
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// DollarToYen.java

import java.util.Scanner;

public class DollarToYen {

   public static void main(String[] args) {
  
       // Declaring variables
       double dollarsInYen,dollars,yen;

       /*
       * Creating an Scanner class object which is used to get the inputs
       * entered by the user
       */
       Scanner sc = new Scanner(System.in);

   //Getting the input entered by the user
       System.out.print("Enter today's prcie of one dollar in Japanese yen:");
       dollarsInYen=sc.nextDouble();
      
       // Getting the input entered by the user
       System.out.print("\nEnter no of dollars (0 to exit):");
       dollars=sc.nextDouble();
      
       /* This while loop continues to execute
       * until the user enters a 0
       */
       while(dollars!=0)
       {
           // Converting dollars to yen
           yen=dollars*dollarsInYen;
           System.out.println("Yen :"+yen);
          
           // Getting the input entered by the user
           System.out.print("\nEnter no of dollars (0 to exit):");
           dollars=sc.nextDouble();
       }

   }

}

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Output:

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