Method isSet

src/main/java/org/apache/commons/lang3/BitField.java:255–257

Tests whether the field is set or not. This is most commonly used for a single-bit field, which is often used to represent a boolean value; the results of using it for a multi-bit field is to determine whether any of its bits are set. @param holder the int data containing the bits

(final int holder)

     * @return {@code true} if any of the bits are set, else {@code false}
     */
    public boolean isSet(final int holder) {
        return (holder & mask) != 0;
    }

    /**
     * Tests whether the field is set or not.