public static void main(String[] args) { //Question 1. //int[] array = {1,-2,3,0,5,6,7,8,100,10}; Scanner scanner = new Scanner(System.in); System.out.println("Enter the rate of exchange: "); double exchange_rate = scanner.nextDouble(); System.out.println("Press 0: to conver Dollar to Turkish Lira \nPress 1: to conver Turkish Lira to Dollar" ); int choice = scanner.nextInt(); if(choice == 0) { System.out.println("Enter amount in Dollar: "); double amount = scanner.nextDouble(); amount = amount * exchange_rate; System.out.printf("Your amount from Dollar to Turkish Lira is %.3f: " , amount , " Lira"); } else if(choice == 1) System.out.println("Enter amount in Turkish Lira: "); double amount = scanner.nextDouble(); amount = amount / exchange_rate; System.out.printf("Your amount from Turkish Lira to Dollar is %.3f: " , amount , " Dollar"); } }