checkstyle.xml: reorganize using SortCheckstyle

Author: stephengold

config/checkstyle/checkstyle.xml

@@ -9,16 +9,17 @@
     <property name="fileExtensions" value="java, properties, xml"/>
     <property name="severity" value="error"/>
 
-    <!-- Exclude simsilica and JME files from style checking:                           -->
-    <!-- See https://checkstyle.org/filefilters/beforeexecutionexclusionfilefilter.html -->
-    <module name="BeforeExecutionExclusionFileFilter">
-        <property name="fileNamePattern" value="java[/\\]com[/\\](simsilica|jme3[/\\](math|system|util))"/>
-    </module>
-
     <!-- Check that a package-info.java file exists for each package:  -->
     <!-- See https://checkstyle.org/checks/javadoc/javadocpackage.html -->
     <module name="JavadocPackage"/>
 
+    <module name="RegexpSingleline">
+        <property name="format" value="\s+$"/>
+        <property name="maximum" value="0"/>
+        <property name="message" value="Line has trailing whitespace."/>
+        <property name="minimum" value="0"/>
+    </module>
+
     <!-- Checks for size violations:             -->
     <!-- See https://checkstyle.org/checks/sizes -->
     <module name="FileLength">
@@ -35,11 +36,11 @@
     <module name="FileTabCharacter">
         <property name="eachLine" value="true"/>
     </module>
-    <module name="RegexpSingleline">
-        <property name="format" value="\s+$"/>
-        <property name="maximum" value="0"/>
-        <property name="message" value="Line has trailing whitespace."/>
-        <property name="minimum" value="0"/>
+
+    <!-- Exclude simsilica and JME files from style checking:                           -->
+    <!-- See https://checkstyle.org/filefilters/beforeexecutionexclusionfilefilter.html -->
+    <module name="BeforeExecutionExclusionFileFilter">
+        <property name="fileNamePattern" value="java[/\\]com[/\\](simsilica|jme3[/\\](math|system|util))"/>
     </module>
 
     <module name="TreeWalker">
@@ -71,10 +72,6 @@
         <module name="NeedBraces">
             <property name="tokens" value="LITERAL_DO, LITERAL_ELSE, LITERAL_FOR, LITERAL_IF, LITERAL_WHILE"/>
         </module>
-        <module name="RegexpSinglelineJava">
-            <property name="format" value="\{[ ]+\}"/>
-            <property name="message" value="Empty blocks should have no spaces. Empty blocks may only be represented as '{}' when not part of a multi-block statement (4.1.3)"/>
-        </module>
         <module name="RightCurly">
             <property name="id" value="RightCurlyAlone"/>
             <property name="option" value="alone"/>
@@ -90,6 +87,14 @@
             <property name="tokens" value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_DO"/>
         </module>
 
+        <!-- Checks for class design:                 -->
+        <!-- See https://checkstyle.org/checks/design -->
+        <module name="DesignForExtension"/>
+        <module name="FinalClass"/>
+        <module name="HideUtilityClassConstructor"/>
+        <module name="InterfaceIsType"/>
+        <module name="OneTopLevelClass"/>
+
         <!-- Checks for common coding problems:       -->
         <!-- See https://checkstyle.org/checks/coding -->
         <module name="EmptyStatement"/>
@@ -109,14 +114,6 @@
         <module name="NoFinalizer"/>
         <module name="OneStatementPerLine"/>
 
-        <!-- Checks for class design:                 -->
-        <!-- See https://checkstyle.org/checks/design -->
-        <module name="DesignForExtension"/>
-        <module name="FinalClass"/>
-        <module name="HideUtilityClassConstructor"/>
-        <module name="InterfaceIsType"/>
-        <module name="OneTopLevelClass"/>
-
         <!-- Checks for imports:                       -->
         <!-- See https://checkstyle.org/checks/imports -->
         <module name="AvoidStarImport"/>
@@ -140,9 +137,9 @@
         </module>
         <module name="InvalidJavadocPosition"/>
         <module name="JavadocMethod">
-            <property name="allowedAnnotations" value=""/>
             <property name="allowMissingParamTags" value="false"/>
             <property name="allowMissingReturnTag" value="false"/>
+            <property name="allowedAnnotations" value=""/>
             <property name="tokens" value="METHOD_DEF, CTOR_DEF, ANNOTATION_FIELD_DEF, COMPACT_CTOR_DEF"/>
         </module>
         <module name="JavadocStyle">
@@ -257,6 +254,11 @@
             <message key="name.invalidPattern" value="Type name ''{0}'' must match pattern ''{1}''."/>
         </module>
 
+        <module name="RegexpSinglelineJava">
+            <property name="format" value="\{[ ]+\}"/>
+            <property name="message" value="Empty blocks should have no spaces. Empty blocks may only be represented as '{}' when not part of a multi-block statement (4.1.3)"/>
+        </module>
+
         <!-- Checks for size violations:             -->
         <!-- See https://checkstyle.org/checks/sizes -->
         <module name="MethodLength">