diff options
Diffstat (limited to '')
| -rw-r--r-- | src/main/java/design/persistence/JSONPersonalDatabase.java | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/design/persistence/JSONPersonalDatabase.java b/src/main/java/design/persistence/JSONPersonalDatabase.java index b034680..3975d14 100644 --- a/src/main/java/design/persistence/JSONPersonalDatabase.java +++ b/src/main/java/design/persistence/JSONPersonalDatabase.java @@ -76,7 +76,7 @@ public class JSONPersonalDatabase implements PersonalDatabase { @Override public void addGolfer(Golfer golfer) throws IOException { - cache.put(golfer.getUsername(), golfer); + cache.putIfAbsent(golfer.getUsername(), golfer); save(); } |