Java - Files and Input Output.md

• convert inputstream-byte-array-java
• java.io.OutputStream Example
  • One of the discussion of this site is the importance of Buffering an OutputStream.
• Java - Files and I/O - Tutorialpoint
• Classe InputStream e Outputstream em Java
• Classes de entrada e saída de dados em Java

How to convert File to byte[]

File file = new File("/temp/abc.txt");
  //init array with file length
  byte[] bytesArray = new byte[(int) file.length()]; 

  FileInputStream fis = new FileInputStream(file);
  fis.read(bytesArray); //read file into bytes[]
  fis.close();
			
  return bytesArray;