Main Method
Invoke_PriceList invoker = new Invoke_PriceList();
System.out.println ("Product Catalog");
String skus[] = {"A358185", "A358565" };
double[] prices = invoker.getPrices (skus);
for (int i=0; i<prices.length; i++) {
System.out.print ("SKU: "+skus[i]);
System.out.println (" --> Price: "+prices[i]);
}