title: looping through different files existing in one folder
body: <p>I have a java program that reads each line in a file text and processes the text of a file, then print the result. I need to do the same thing for each file exist in a specific folder (directory). So, I need the program to go through each file in the folder and extract the content of the text ..etc. my question is how can I loop through each file in a folder using Java. </p>