Convert an InputStream to a string using InputStream.readAllBytes() Since Java 9, you can use the readAllBytes() method from InputStream to read all bytes into a byte array, as shown below: try (InputStream str
(byteArray);fileInputStream.close();returnbyteArray;}publicstaticvoidmain(String[]args){try{File file=newFile("example.txt");byte[]byteArray=convertFileToByteArray(file);System.out.println("File converted to byte array successfully.");}catch(IOExceptione){System.out.println("Error: "+e.get...
Here is the complete example of how to read and convert anInputStreamto aString. The steps involved are: 1) I have initialized theInputStreamafter converting the file content to bytes usinggetBytes() methodand then using theByteArrayInputStreamwhich contains an internal buffer that contains bytes ...
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How to convert an InputStream to a stringBrian L. Gorman
To check if we succeed in our goal, we can read theinputStreamusingread(), and convert everybyteto achar. This will return our original string. importjava.io.ByteArrayInputStream;importjava.io.IOException;importjava.io.InputStream;importjava.nio.charset.StandardCharsets;publicclassMain{publicstat...
Java IO, you will quickly run into a situation in which a class creates data on an OutputStream and you need to send it to another class that expects to read the data from an input stream. You'll soon be asking the question, "How do I convert an OutputStream to an InputStream?"...
Base64.encode()method expects abytearray, and our image is in a file. Therefore, we need to first convert the file to anInputStreamand then read the stream, byte-by-byte, into an array. We’re using theIOUtils.toByteArray()method from the Apachecommons-iopackage as a convenient altern...
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1. ByteArrayInputStream This example usesByteArrayInputStreamto convert aStringto anInputStreamand saves it into a file. StringToInputStream.java packagecom.mkyong.string;importjava.io.*;importjava.nio.charset.StandardCharsets;publicclassConvertStringToInputStream{publicstaticfinalintDEFAULT_BUFFER_SIZE=...