Method isBlack

src/java/org/apache/poi/util/BinaryTree.java:1982–1985

is this node black? @param index _KEY or _VALUE @return true if black (which is represented as a true boolean)

(int index)

         * @return true if black (which is represented as a true boolean)
         */
        public boolean isBlack(int index)
        {
            return _black[ index ];
        }

        /**
         * is this node red?