code: public static byte[] add(byte[] array, byte[] array2) {
  		byte[] newArray = new byte[array.length + array2.length];
  		System.arraycopy(array, 0, newArray, 0, array.length);
  		System.arraycopy(array2, 0, newArray, array.length, array2.length);
  		return newArray;
  	}
docs: Adds the.
  
  @param array the array
  @param array2 the array 2
  @return the byte[]