Use Java 7 diamond operator

Change-Id: If16ef50ae73147594615d0f49d6a22621eaf1aef

3 files changed, 8 insertions, 12 deletions

diff --git a/java/src/com/android/inputmethod/latin/personalization/AccountUtils.java b/java/src/com/android/inputmethod/latin/personalization/AccountUtils.java
index a446672cb..ab3ef964e 100644
--- a/java/src/com/android/inputmethod/latin/personalization/AccountUtils.java
+++ b/java/src/com/android/inputmethod/latin/personalization/AccountUtils.java
@@ -35,7 +35,7 @@ public class AccountUtils {
     }
 
     public static List<String> getDeviceAccountsEmailAddresses(final Context context) {
-        final ArrayList<String> retval = new ArrayList<String>();
+        final ArrayList<String> retval = new ArrayList<>();
         for (final Account account : getAccounts(context)) {
             final String name = account.name;
             if (Patterns.EMAIL_ADDRESS.matcher(name).matches()) {
@@ -54,7 +54,7 @@ public class AccountUtils {
      */
     public static List<String> getDeviceAccountsWithDomain(
             final Context context, final String domain) {
-        final ArrayList<String> retval = new ArrayList<String>();
+        final ArrayList<String> retval = new ArrayList<>();
         final String atDomain = "@" + domain.toLowerCase(Locale.ROOT);
         for (final Account account : getAccounts(context)) {
             if (account.name.toLowerCase(Locale.ROOT).endsWith(atDomain)) {
diff --git a/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java b/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java
index 06bdba054..be658ceff 100644
--- a/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java
+++ b/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java
@@ -31,7 +31,6 @@ import java.util.Map;
  * model.
  */
 public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableBinaryDictionary {
-    private static final String TAG = DecayingExpandableBinaryDictionaryBase.class.getSimpleName();
     private static final boolean DBG_DUMP_ON_CLOSE = false;
 
     /** Any pair being typed or picked */
diff --git a/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java b/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java
index 6ef505e76..aac40940b 100644
--- a/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java
+++ b/java/src/com/android/inputmethod/latin/personalization/PersonalizationHelper.java
@@ -16,12 +16,11 @@
 
 package com.android.inputmethod.latin.personalization;
 
-import com.android.inputmethod.latin.utils.CollectionUtils;
-import com.android.inputmethod.latin.utils.FileUtils;
-
 import android.content.Context;
 import android.util.Log;
 
+import com.android.inputmethod.latin.utils.FileUtils;
+
 import java.io.File;
 import java.io.FilenameFilter;
 import java.lang.ref.SoftReference;
@@ -33,9 +32,9 @@ public class PersonalizationHelper {
     private static final String TAG = PersonalizationHelper.class.getSimpleName();
     private static final boolean DEBUG = false;
     private static final ConcurrentHashMap<String, SoftReference<UserHistoryDictionary>>
-            sLangUserHistoryDictCache = CollectionUtils.newConcurrentHashMap();
+            sLangUserHistoryDictCache = new ConcurrentHashMap<>();
     private static final ConcurrentHashMap<String, SoftReference<PersonalizationDictionary>>
-            sLangPersonalizationDictCache = CollectionUtils.newConcurrentHashMap();
+            sLangPersonalizationDictCache = new ConcurrentHashMap<>();
 
     public static UserHistoryDictionary getUserHistoryDictionary(
             final Context context, final Locale locale) {
@@ -54,8 +53,7 @@ public class PersonalizationHelper {
                 }
             }
             final UserHistoryDictionary dict = new UserHistoryDictionary(context, locale);
-            sLangUserHistoryDictCache.put(localeStr,
-                    new SoftReference<UserHistoryDictionary>(dict));
+            sLangUserHistoryDictCache.put(localeStr, new SoftReference<>(dict));
             return dict;
         }
     }
@@ -108,8 +106,7 @@ public class PersonalizationHelper {
                 }
             }
             final PersonalizationDictionary dict = new PersonalizationDictionary(context, locale);
-            sLangPersonalizationDictCache.put(
-                    localeStr, new SoftReference<PersonalizationDictionary>(dict));
+            sLangPersonalizationDictCache.put(localeStr, new SoftReference<>(dict));
             return dict;
         }
     }