tdd-java-demo

commit fe833bd829a5b9859f93c393f5c4b3a5bb73dd37
parent 77cfb37ee9427a576eec82ca02d9a54e896f7c0b
Author: Jul <jul@9o.is>
Date:   Wed, 31 Mar 2021 16:51:58 +0800

extract method getTotal (that calculates total)

Diffstat:
M
src/main/java/takehome/Runner.java
 | 
11
++++++++---

1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/main/java/takehome/Runner.java b/src/main/java/takehome/Runner.java
@@ -29,14 +29,19 @@ public class Runner {
             amounts.put(item, amount);
         }
 
+        double total = getTotal(amounts);
+
+        DecimalFormat df = new DecimalFormat("0.00");
+        out.println("Total: $" + df.format(total));
+    }
+
+    private double getTotal(Map<Item, Integer> amounts) {
         double total = 0;
         for (Item item : amounts.keySet()) {
             int amount = amounts.get(item);
             total += item.getTotal(amount);
         }
-
-        DecimalFormat df = new DecimalFormat("0.00");
-        out.println("Total: $" + df.format(total));
+        return total;
     }
 
     private int getItemAmount(Item item) {