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/operations/ImportExportOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/ImportExportOperation.java
index 6ca28142f..cd8a33c20 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/ImportExportOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/ImportExportOperation.java
@@ -137,7 +137,7 @@ public class ImportExportOperation extends BaseOperation {
         }
 
         int newKeys = 0, oldKeys = 0, badKeys = 0, secret = 0;
-        ArrayList<Long> importedMasterKeyIds = new ArrayList<Long>();
+        ArrayList<Long> importedMasterKeyIds = new ArrayList<>();
 
         boolean cancelled = false;
         int position = 0;