public final CharArraySet keySet()

in src/main/java/com/twitter/penguin/korean/util/CharArrayMap.java [375:401]

• 23 lines of code
• 2 McCabe index (conditional complexity)

  public final CharArraySet keySet() {
    if (keySet == null) {
      // prevent adding of entries
      keySet = new CharArraySet((CharArrayMap) this) {
        @Override
        public boolean add(Object o) {
          throw new UnsupportedOperationException();
        }

        @Override
        public boolean add(CharSequence text) {
          throw new UnsupportedOperationException();
        }

        @Override
        public boolean add(String text) {
          throw new UnsupportedOperationException();
        }

        @Override
        public boolean add(char[] text) {
          throw new UnsupportedOperationException();
        }
      };
    }
    return keySet;
  }