byte array

Java: convert a file to a byte array, then convert byte array to a file.

by

In this post, I will show you how to convert a file to a byte array and then convert a byte array to a file. To convert a file to byte array, ByteArrayOutputStream class is used. This class implements an output stream in which the data is written into a byte array. The buffer automatically … Read more

Java: convert image to byte array, convert byte array to image

by

This post shows two different ways to convert an image to a byte array and convert a byte array to an image. First of all, the byte type in Java is an 8-bit signed two’s complement integer. Its range is [-128, 127]. A byte array is just an array of bytes. An image is essentially … Read more