2.06 xx-abc.xxx from Abc.java doc

src/main/idea/io/github/linwancen/plugin/show/java/JsonJumpJava.java

@@ -47,7 +47,7 @@ public class JsonJumpJava extends PsiReferenceContributor {
                         for (@NotNull PsiField psiField : psiFields) {
                             list.add(new JsonRef<>(element, psiField, tips));
                         }
-                        return list.toArray(new PsiReference[0]);
+                        return list.toArray(PsiReference.EMPTY_ARRAY);
                     }
                 });
     }

src/main/idea/io/github/linwancen/plugin/show/java/doc/PsiClassUtils.java

@@ -24,16 +24,27 @@ public class PsiClassUtils {
         @NotNull String fileName = virtualFile.getNameWithoutExtension();
         @NotNull Matcher matcher = JSON_PATTERN.matcher(fileName);
         if (!matcher.find()) {
-            return new PsiClass[0];
+            return PsiClass.EMPTY_ARRAY;
         }
         String className = matcher.group();
-        return nameToClass(className, project);
+        @NotNull PsiClass[] psiClasses = nameToClass(className, project);
+        if (psiClasses.length != 0) {
+            return psiClasses;
+        }
+        @NotNull char[] chars = className.toCharArray();
+        if (chars.length < 1 || chars[0] < 97 || 122 < chars[0]) {
+            return PsiClass.EMPTY_ARRAY;
+        }
+        // Upper Case
+        chars[0] -= 32;
+        @NotNull String name = String.valueOf(chars);
+        return nameToClass(name, project);
     }
 
     @NotNull
     public static PsiClass[] nameToClass(@Nullable String className, @NotNull Project project) {
         if (className == null) {
-            return new PsiClass[0];
+            return PsiClass.EMPTY_ARRAY;
         }
         int i = className.indexOf('.');
         return i > 0

src/main/idea/io/github/linwancen/plugin/show/java/doc/PsiMethodToPsiDoc.java

@@ -69,6 +69,7 @@ class PsiMethodToPsiDoc {
             return null;
         }
         @NotNull char[] chars = name.toCharArray();
+        // Lower Case
         chars[0] += 32;
         name = String.valueOf(chars);
         @Nullable PsiField fieldByName = psiClass.findFieldByName(name, false);

src/test/java/io/github/linwancen/plugin/show/demo/java/obj/Dict.java

@@ -0,0 +1,7 @@
+package io.github.linwancen.plugin.show.demo.java.obj;
+
+/**
+ * Dict
+ */
+public class Dict {
+}