title: Converting binary data to characters in java
body: <p>I have a file in which its content is only 0's and 1's</p>
  
  <p>I want to write a java program that convert each 8 bit of 0's and 1's to char 
  or in other word, to convert the file content from binary to chars.</p>
  
  <p>Which function can I use for that purpose?</p>