To write a byte[] to a file in Java, you can use the following code:
To convert an InputStream to a byte array in Java, you can use the readAllBytes() method of the java.nio.file.Files class from the java.nio.file package.
To convert a String to an InputStream in Java, you can use the ByteArrayInputStream class, which allows you to create an InputStream from a byte array.
There are several ways to read an InputStream and convert it to a String in Java. One way is to use the BufferedReader and InputStreamReader classes to read the InputStream line by line, and use a StringBuilder to construct the final String: