android CVArrays

import java.lang.reflect.Array;class CVArrays {    /**     * Copies elements from {@code original} into a new array, from indexes start (inclusive) to     *     * @param original the original array     * @param start the start index, inclusive     * @param end the end index, exclusive     * @return the new array     * @throws ArrayIndexOutOfBoundsException if {@code start < 0 || start > original.length}     * @throws IllegalArgumentException if {@code start > end}     * @throws NullPointerException if {@code original == null}     * @since 1.6     */    @SuppressWarnings("unchecked")    public static <T> T[] copyOfRange(T[] original, int start, int end) {        int originalLength = original.length; // For exception priority compatibility.        if (start > end) {            throw new IllegalArgumentException();        }        if (start < 0 || start > originalLength) {            throw new ArrayIndexOutOfBoundsException();        }        int resultLength = end - start;        int copyLength = Math.min(resultLength, originalLength - start);        T[] result = (T[]) Array.newInstance(original.getClass().getComponentType(), resultLength);        System.arraycopy(original, start, result, 0, copyLength);        return result;    }}