Added result of refactoring the in-class example

src/main/java/edu/unl/cse/soft160/before_and_after/InClassAfterRefactor.java

 package edu.unl.cse.soft160.before_and_after;
 
+import java.util.Scanner;
+
 /**
  * Command-Line Example from class after refactoring
  * <p>
@@ -7,7 +9,29 @@ package edu.unl.cse.soft160.before_and_after;
  * shipping cost.
  */
 public class InClassAfterRefactor {
+
+	private static double getShippingWeight(String prompt, Scanner scanner) {
+		System.out.print(prompt);
+		double weightOfItem = Double.parseDouble(scanner.nextLine());
+		return weightOfItem;
+	}
+
+	private static void displayResult(double shippingCost, double weightOfFirstItem, double weightOfSecondItem) {
+		System.out.println("Weight of the items is " + weightOfFirstItem + " and " + weightOfSecondItem
+				+ " and the shipping cost is " + shippingCost + ".");
+	}
+
+	private static double computeShippingCost(double weightFirstItem, double weightSecondItem) {
+		double shippingCost = (weightFirstItem + weightSecondItem) * 2.50;
+		return shippingCost;
+	}
+
 	public static void main(String[] args) {
-        // Implementation goes here
+		Scanner scanner = new Scanner(System.in);
+		double weightFirstItem = getShippingWeight("Enter the weight of the first item: ", scanner);
+		double weightSecondItem = getShippingWeight("Enter the weight of the second item: ", scanner);
+		scanner.close();
+		double shippingCost = computeShippingCost(weightFirstItem, weightSecondItem);
+		displayResult(shippingCost, weightFirstItem, weightSecondItem);
 	}
 }