lift language level to java 7, and some code cleanup

1 files changed, 1 insertions, 1 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
index a778c7fa7..52c21e253 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
@@ -221,7 +221,7 @@ public class UserIdsAdapter extends CursorAdapter implements AdapterView.OnItemC
     }
 
     public ArrayList<String> getSelectedUserIds() {
-        ArrayList<String> result = new ArrayList<String>();
+        ArrayList<String> result = new ArrayList<>();
         for (int i = 0; i < mCheckStates.size(); i++) {
             if (mCheckStates.get(i)) {
                 mCursor.moveToPosition(i);