java中两个byte数组合并

	/**
	 * 
	 * @param data1
	 * @param data2
	 * @return data1 与 data2拼接的结果
	 */
	public static byte[] addBytes(byte[] data1, byte[] data2) {
		byte[] data3 = new byte[data1.length + data2.length];
		System.arraycopy(data1, 0, data3, 0, data1.length);
		System.arraycopy(data2, 0, data3, data1.length, data2.length);
		return data3;

	}