Method add

src/main/java/org/codehaus/groovy/util/FastArray.java:95–102

Appends an element to the end of this array, growing the backing storage when needed. @param o the element to append

(Object o)

     * @param o the element to append
     */
    public void add(Object o) {
        if (size == data.length) {
            Object [] newData = new Object[size == 0 ? 8 : size*2];
            System.arraycopy(data, 0, newData, 0, size);
            data = newData;
        }
        data [size++] = o;
    }

    /**
     * Replaces the element stored at the specified index.