Use StringBuilder

2 files changed, 8 insertions, 8 deletions

diff --git a/src/esieequest/CommandWords.java b/src/esieequest/CommandWords.java
index c942043..e2d50f5 100644
--- a/src/esieequest/CommandWords.java
+++ b/src/esieequest/CommandWords.java
@@ -36,10 +36,10 @@ public class CommandWords {
          * Print all valid commands to System.out.
          */
         public String getCommandList() {
-                String vCommands = "";
-                for (String vCommand : this.sValidCommands) {
-                        vCommands += " " + vCommand;
+                StringBuilder vStrBuilder = new StringBuilder();
+                for (String vCommand : sValidCommands) {
+                        vStrBuilder.append(" ").append(vCommand);
                 }
-                return vCommands;
+                return vStrBuilder.toString();
         }
 }
diff --git a/src/esieequest/Room.java b/src/esieequest/Room.java
index 4626490..6d05b58 100644
--- a/src/esieequest/Room.java
+++ b/src/esieequest/Room.java
@@ -85,13 +85,13 @@ public class Room {
          * @return A description of the available exits.
          */
         public String getExitString() {
-                String vExitString = "Available exits:";
+                StringBuilder vStrBuilder = new StringBuilder("Available exits:");
                 Set<String> vKeys = this.aExits.keySet();
                 for (Iterator<String> vIter = vKeys.iterator(); vIter.hasNext();) {
-                        vExitString += " " + vIter.next();
+                        vStrBuilder.append(" ").append(vIter.next());
                 }
-                vExitString += ".";
-                return vExitString;
+                vStrBuilder.append(".");
+                return vStrBuilder.toString();
         }
 
 }