Use diamond operator

Author: hazendaz

src/test/java/org/apache/ibatis/binding/BindingTest.java

@@ -106,7 +106,7 @@ void shouldSelectBlogWithPostsUsingSubSelect() {
   void shouldFindPostsInList() {
     try (SqlSession session = sqlSessionFactory.openSession()) {
       BoundAuthorMapper mapper = session.getMapper(BoundAuthorMapper.class);
-      List<Post> posts = mapper.findPostsInList(new ArrayList<Integer>() {
+      List<Post> posts = mapper.findPostsInList(new ArrayList<>() {
         private static final long serialVersionUID = 1L;
         {
           add(1);
@@ -430,7 +430,7 @@ void shouldExecuteBoundSelectOneBlogStatementWithConstructorUsingXMLConfig() {
   void shouldSelectOneBlogAsMap() {
     try (SqlSession session = sqlSessionFactory.openSession()) {
       BoundBlogMapper mapper = session.getMapper(BoundBlogMapper.class);
-      Map<String, Object> blog = mapper.selectBlogAsMap(new HashMap<String, Object>() {
+      Map<String, Object> blog = mapper.selectBlogAsMap(new HashMap<>() {
         private static final long serialVersionUID = 1L;
         {
           put("id", 1);