copyOf.java

gistfile1.java

    public static <T> T[] copyOf(T[] orig) {
        if (orig == null) {
            return null;
        }
        @SuppressWarnings("unchecked")
        T[] newArray = (T[]) Array.newInstance(orig.getClass().getComponentType(), orig.length);
        System.arraycopy(orig, 0, newArray, 0, orig.length);
        return newArray;
    }