LANG-1384: Fix NPE when version >= 11

The fix is likely to be insufficient if the version naming scheme changes.

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

@@ -191,6 +191,8 @@ static JavaVersion get(final String nom) {
             if (Float.parseFloat(nom.substring(firstComma + 1, end)) > .9f) {
                 return JAVA_RECENT;
             }
+        } else if (v > 10) {
+            return JAVA_RECENT;
         }
         return null;
     }

src/test/java/org/apache/commons/lang3/JavaVersionTest.java

@@ -59,6 +59,7 @@ public void testGetJavaVersion() {
         assertEquals("1.10 failed", JAVA_RECENT, get("1.10"));
         // assertNull("2.10 unexpectedly worked", get("2.10"));
         assertEquals("Wrapper method failed", get("1.5"), getJavaVersion("1.5"));
+        assertEquals("Unhandled", JAVA_RECENT, get("11")); // LANG-1384
     }
 
     @Test