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Currency Exchange Programming challenge description: Given A list of foreign exchange rates A selected curreny A target currency Your goal is to calculate the max amount of the target currency to 1 unit of the selected currency through the FX transactions. Assume all transations are free and done immediately. If you cannot finish the exchange, return -1.0 Input: You will be provided a list of fx rates, a selected currency, and a target currency. For example: FX rates list: USD to JPY 1 to 109 USD to GBP 1 to 0.71 GBP to JPY 1 to 155 Original currency: USD Target currency : JPY Output: Calculated the max target currency will can get. For example: USD to JPY -> 109 USD to GBP to JPY = 0.71 * 155 = 110.05 > 109, so the max value will be 110.05 Test 1 Test Input 0 USD, CAD,1.3;USD, GBP,0.71;USD, JPY, 109;GBP, JPY, 155 USD JPY Expected Output 110.05 Test 2 Test Input USD, GBP, 0.7;USD, JPY, 109;GBP, JPY,155;CAD, CNY, 5.27;CAD, KRW, 921 USD CNY Expected Output -1.0 1 import java.io.BufferedReader; 2 import java.io.IOException; 3 import java.io.InputStreamReader; 4 import java.nio.charset.StandardCharsets; 5 6 /** 7 * The Main class implements an application that reads lines from the standard input 8 * and prints them to the standard output. 9 */ 10 public class Main { 11 12 * Iterate through each line of input. 13 */ 14 public static void main(String[] args) throws IOException { 15 InputStreamReader reader = new InputStreamReader (System.in, StandardCharsets.UTF_8); 16 BufferedReader in = new BufferedReader (reader); 17 String line; 18 while ((line in.readLine( ) ) != null) { 19 System.out.println(line); 20 } 21 } /** IL 1. = 22 } 23