The operator ("<>") should be used.

Author: AymanDF

app/src/main/java/com/malin/rengwuxianrxjava/activity/MainActivity.java

@@ -1301,14 +1301,14 @@ public void onNext(List<Contributor> contributors) {
 
     private static final int COUNT = 10;
     private static final int TIME_ALL = 5000;
-    private ArrayList<Long> timeList = new ArrayList<Long>();
+    private ArrayList<Long> timeList = new ArrayList<>();
 
     private void method20() {
 
         final int COUNT = 5;
         final int TIME_ALL = 3000;
-        final ArrayList<Long> timeList = new ArrayList<Long>();
-        final ArrayList<Long> allList = new ArrayList<Long>();
+        final ArrayList<Long> timeList = new ArrayList<>();
+        final ArrayList<Long> allList = new ArrayList<>();
 
         RxView.clicks(findViewById(R.id.iv_image))
                 .map(new Func1<Void, Long>() {

app/src/main/java/com/malin/rengwuxianrxjava/factory/DataFactory.java

@@ -64,14 +64,14 @@ public class DataFactory {
      */
     public static ArrayList<Student> getData() {
 
-        ArrayList<Student> students = new ArrayList<Student>();
+        ArrayList<Student> students = new ArrayList<>();
 
         ArrayList<Course> courses = null;
         Student student = null;
         Course course = null;
         for (int i = 0; i < 3; i++) {
 
-            courses = new ArrayList<Course>();
+            courses = new ArrayList<>();
 
             student = new Student();
             student.id = i;

app/src/main/java/com/malin/rengwuxianrxjava/factory/ImageNameFactory.java

@@ -46,7 +46,7 @@ public class ImageNameFactory {
      * @return
      */
     public static ArrayList<String> getAssetImageFolderName() {
-        ArrayList<String> assetsFolderNameList = new ArrayList<String>();
+        ArrayList<String> assetsFolderNameList = new ArrayList<>();
         assetsFolderNameList.add(FOLDER_NAME_ONE);
         assetsFolderNameList.add(FOLDER_NAME_TWO);
         assetsFolderNameList.add(FOLDER_NAME_THREE);

app/src/main/java/com/malin/rengwuxianrxjava/utils/ImageUtils.java

@@ -188,7 +188,7 @@ public static int calculateInSampleSiez(BitmapFactory.Options options, int reqWi
      */
     public static ArrayList<String> getAssetsImageNamePathList(Context context, String folderName) {
 
-        ArrayList<String> imagePathList = new ArrayList<String>();
+        ArrayList<String> imagePathList = new ArrayList<>();
 
         String[] imageNameArray = getAssetsImageNameArray(context, folderName);