code: public Set<String> setEscapeJava(final Set<?> target) {
          if (target == null) {
              return null;
          }
          final Set<String> result = new LinkedHashSet<String>(target.size() + 2);
          for (final Object element : target) {
              result.add(escapeJava(element));
          }
          return result;
      }
docs: <p>
  Java-escapes all the elements in the target set.
  </p>
  
  @param target the list of Strings to be escaped.
  If non-String objects, toString() will be called.
  
  @return a Set with the result of each
  each element of the target.
  
  @since 2.0.11