[Java] Upgrade to Checkstyle 8.24.

Author: mjpt777

build.gradle

@@ -135,7 +135,7 @@ subprojects {
     jar.enabled = true
 
     dependencies {
-        checkstyle 'com.puppycrawl.tools:checkstyle:8.23'
+        checkstyle 'com.puppycrawl.tools:checkstyle:8.24'
 
         compile 'org.agrona:agrona:1.0.7'
 
@@ -144,7 +144,7 @@ subprojects {
         testCompile 'junit:junit:4.12'
     }
 
-    checkstyle.toolVersion = '8.23'
+    checkstyle.toolVersion = '8.24'
 
     compileJava {
         sourceCompatibility = sbeJavaVersion

config/checkstyle/checkstyle.xml

@@ -17,6 +17,11 @@
         <property name="eachLine" value="true"/>
     </module>
 
+    <module name="LineLength">
+        <property name="max" value="120"/>
+        <property name="ignorePattern" value="^[ \t]*\*.*@.*$"/>
+    </module>
+
     <module name="TreeWalker">
         <property name="tabWidth" value="4"/>
         <property name="severity" value="error"/>
@@ -59,11 +64,6 @@
 
         <module name="UnusedImports"/>
 
-        <module name="LineLength">
-            <property name="max" value="120"/>
-            <property name="ignorePattern" value="^[ \t]*\*.*@.*$"/>
-        </module>
-
         <module name="MethodLength">
             <property name="tokens" value="METHOD_DEF"/>
             <property name="max" value="100"/>