Use isEmpty().

Author: garydgregory

src/main/java/org/apache/commons/codec/language/bm/Lang.java

@@ -152,7 +152,7 @@ public static Lang loadFromResource(final String languageRulesResourceName, fina
                         // trim leading-trailing whitespace
                         line = line.trim();
 
-                        if (line.length() == 0) {
+                        if (line.isEmpty()) {
                             continue; // empty lines can be safely skipped
                         }
 

src/main/java/org/apache/commons/codec/language/bm/Rule.java

@@ -421,7 +421,7 @@ private static Map<String, List<Rule>> parseRules(final Scanner scanner, final S
                     // trim leading-trailing whitespace
                     line = line.trim();
 
-                    if (line.length() == 0) {
+                    if (line.isEmpty()) {
                         continue; // empty lines can be safely skipped
                     }