Rename internal constant

Author: garydgregory

src/main/java/org/apache/commons/lang3/SystemUtils.java

@@ -383,7 +383,7 @@ public class SystemUtils {
     /**
      * A constant for the Java version, may be null
      */
-    private static final JavaVersion JAVA_SPECIFICATION_VERSION_AS_ENUM = JavaVersion.get(JAVA_SPECIFICATION_VERSION);
+    private static final JavaVersion JAVA_SPECIFICATION_VERSION_ENUM = JavaVersion.get(JAVA_SPECIFICATION_VERSION);
 
     /**
      * A constant for the System Property {@code java.util.prefs.PreferencesFactory}. A class name.
@@ -2366,7 +2366,7 @@ public static boolean isJavaAwtHeadless() {
      * @return {@code true} if the actual version is equal or greater than the required version.
      */
     public static boolean isJavaVersionAtLeast(final JavaVersion requiredVersion) {
-        return JAVA_SPECIFICATION_VERSION_AS_ENUM != null && JAVA_SPECIFICATION_VERSION_AS_ENUM.atLeast(requiredVersion);
+        return JAVA_SPECIFICATION_VERSION_ENUM != null && JAVA_SPECIFICATION_VERSION_ENUM.atLeast(requiredVersion);
     }
 
     /**
@@ -2380,7 +2380,7 @@ public static boolean isJavaVersionAtLeast(final JavaVersion requiredVersion) {
      * @since 3.9
      */
     public static boolean isJavaVersionAtMost(final JavaVersion requiredVersion) {
-        return JAVA_SPECIFICATION_VERSION_AS_ENUM != null && JAVA_SPECIFICATION_VERSION_AS_ENUM.atMost(requiredVersion);
+        return JAVA_SPECIFICATION_VERSION_ENUM != null && JAVA_SPECIFICATION_VERSION_ENUM.atMost(requiredVersion);
     }
 
     /**