Use Java 7 diamond operator

Change-Id: If16ef50ae73147594615d0f49d6a22621eaf1aef

7 files changed, 17 insertions, 20 deletions

diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java
index f9771c8dd..2cbc04154 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java
@@ -19,15 +19,14 @@ package com.android.inputmethod.latin.dicttool;
 import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils;
 import com.android.inputmethod.latin.makedict.BinaryDictIOUtils;
 import com.android.inputmethod.latin.makedict.DictDecoder;
-import com.android.inputmethod.latin.makedict.FormatSpec;
 import com.android.inputmethod.latin.makedict.FusionDictionary;
 import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
 
 import org.xml.sax.SAXException;
 
-import java.io.File;
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
+import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -54,7 +53,7 @@ public final class BinaryDictOffdeviceUtils {
     private final static int MAX_DECODE_DEPTH = 8;
 
     public static class DecoderChainSpec {
-        ArrayList<String> mDecoderSpec = new ArrayList<String>();
+        ArrayList<String> mDecoderSpec = new ArrayList<>();
         File mFile;
         public DecoderChainSpec addStep(final String stepDescription) {
             mDecoderSpec.add(stepDescription);
diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/CombinedInputOutput.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/CombinedInputOutput.java
index 391328fda..6a0e1b7f0 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/CombinedInputOutput.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/CombinedInputOutput.java
@@ -98,7 +98,7 @@ public class CombinedInputOutput {
             headerLine = reader.readLine();
         }
         final String header[] = headerLine.split(",");
-        final HashMap<String, String> attributes = new HashMap<String, String>();
+        final HashMap<String, String> attributes = new HashMap<>();
         for (String item : header) {
             final String keyValue[] = item.split("=");
             if (2 != keyValue.length) {
@@ -115,8 +115,8 @@ public class CombinedInputOutput {
         String word = null;
         ProbabilityInfo probabilityInfo = new ProbabilityInfo(0);
         boolean isNotAWord = false;
-        ArrayList<WeightedString> bigrams = new ArrayList<WeightedString>();
-        ArrayList<WeightedString> shortcuts = new ArrayList<WeightedString>();
+        ArrayList<WeightedString> bigrams = new ArrayList<>();
+        ArrayList<WeightedString> shortcuts = new ArrayList<>();
         while (null != (line = reader.readLine())) {
             if (line.startsWith(COMMENT_LINE_STARTER)) continue;
             final String args[] = line.trim().split(",");
@@ -128,8 +128,8 @@ public class CombinedInputOutput {
                         dict.setBigram(word, s.mWord, s.mProbabilityInfo);
                     }
                 }
-                if (!shortcuts.isEmpty()) shortcuts = new ArrayList<WeightedString>();
-                if (!bigrams.isEmpty()) bigrams = new ArrayList<WeightedString>();
+                if (!shortcuts.isEmpty()) shortcuts = new ArrayList<>();
+                if (!bigrams.isEmpty()) bigrams = new ArrayList<>();
                 isNotAWord = false;
                 for (String param : args) {
                     final String params[] = param.split("=", 2);
@@ -223,7 +223,7 @@ public class CombinedInputOutput {
      */
     public static void writeDictionaryCombined(
             final Writer destination, final FusionDictionary dict) throws IOException {
-        final TreeSet<WordProperty> wordPropertiesInDict = new TreeSet<WordProperty>();
+        final TreeSet<WordProperty> wordPropertiesInDict = new TreeSet<>();
         for (final WordProperty wordProperty : dict) {
             // This for ordering by frequency, then by asciibetic order
             wordPropertiesInDict.add(wordProperty);
diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java
index 8e8ab19e0..37c8d4184 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java
@@ -138,7 +138,7 @@ public class DictionaryMaker {
         }
 
         public Arguments(String[] argsArray) throws IOException {
-            final LinkedList<String> args = new LinkedList<String>(Arrays.asList(argsArray));
+            final LinkedList<String> args = new LinkedList<>(Arrays.asList(argsArray));
             if (args.isEmpty()) {
                 displayHelp();
             }
diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Dicttool.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Dicttool.java
index cacee5268..8ae035f64 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Dicttool.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Dicttool.java
@@ -29,8 +29,7 @@ public class Dicttool {
         abstract public String getHelp();
         abstract public void run() throws Exception;
     }
-    static HashMap<String, Class<? extends Command>> sCommands =
-            new HashMap<String, Class<? extends Command>>();
+    static HashMap<String, Class<? extends Command>> sCommands = new HashMap<>();
     static {
         CommandList.populate();
     }
diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Diff.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Diff.java
index cd3d4d393..94d1ae8bb 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Diff.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Diff.java
@@ -85,8 +85,7 @@ public class Diff extends Dicttool.Command {
 
     private static void diffHeaders(final FusionDictionary dict0, final FusionDictionary dict1) {
         boolean hasDifferences = false;
-        final HashMap<String, String> options1 =
-                new HashMap<String, String>(dict1.mOptions.mAttributes);
+        final HashMap<String, String> options1 = new HashMap<>(dict1.mOptions.mAttributes);
         for (final String optionKey : dict0.mOptions.mAttributes.keySet()) {
             if (!dict0.mOptions.mAttributes.get(optionKey).equals(
                     dict1.mOptions.mAttributes.get(optionKey))) {
diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Test.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Test.java
index 33661c8d6..b6383d788 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Test.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Test.java
@@ -53,8 +53,8 @@ public class Test extends Dicttool.Command {
         BinaryDictDecoderEncoderTests.class,
         BinaryDictEncoderFlattenTreeTests.class,
     };
-    private ArrayList<Method> mAllTestMethods = new ArrayList<Method>();
-    private ArrayList<String> mUsedTestMethods = new ArrayList<String>();
+    private ArrayList<Method> mAllTestMethods = new ArrayList<>();
+    private ArrayList<String> mUsedTestMethods = new ArrayList<>();
 
     public Test() {
         for (final Class<?> c : sClassesToTest) {
diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/XmlDictInputOutput.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/XmlDictInputOutput.java
index 17e77dca1..7435fa7d6 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/XmlDictInputOutput.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/XmlDictInputOutput.java
@@ -115,7 +115,7 @@ public class XmlDictInputOutput {
                     }
                 }
             } else if (ROOT_TAG.equals(localName)) {
-                final HashMap<String, String> attributes = new HashMap<String, String>();
+                final HashMap<String, String> attributes = new HashMap<>();
                 for (int attrIndex = 0; attrIndex < attrs.getLength(); ++attrIndex) {
                     final String attrName = attrs.getLocalName(attrIndex);
                     attributes.put(attrName, attrs.getValue(attrIndex));
@@ -172,7 +172,7 @@ public class XmlDictInputOutput {
             DST_ATTRIBUTE = dstAttribute;
             DST_FREQ = dstFreq;
             mSrc = null;
-            mAssocMap = new HashMap<String, ArrayList<WeightedString>>();
+            mAssocMap = new HashMap<>();
         }
 
         @Override
@@ -184,7 +184,7 @@ public class XmlDictInputOutput {
                 int freq = getValueFromFreqString(attrs.getValue(uri, DST_FREQ));
                 WeightedString bigram = new WeightedString(dst, freq / XML_TO_MEMORY_RATIO);
                 ArrayList<WeightedString> bigramList = mAssocMap.get(mSrc);
-                if (null == bigramList) bigramList = new ArrayList<WeightedString>();
+                if (null == bigramList) bigramList = new ArrayList<>();
                 bigramList.add(bigram);
                 mAssocMap.put(mSrc, bigramList);
             }
@@ -352,7 +352,7 @@ public class XmlDictInputOutput {
      */
     public static void writeDictionaryXml(Writer destination, FusionDictionary dict)
             throws IOException {
-        final TreeSet<WordProperty> wordPropertiesInDict = new TreeSet<WordProperty>();
+        final TreeSet<WordProperty> wordPropertiesInDict = new TreeSet<>();
         for (WordProperty wordProperty : dict) {
             wordPropertiesInDict.add(wordProperty);
         }