How to scan a folder for files and their locations in java

Question

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How to scan a folder in Java?

I want to scan a given folder for all of the files within the folder and add the locations/paths (ex: "c:/users/peter/desktop/image.jpg") to an arraylist of strings. How could i do this? Thanks for the help

Answer 1

Peek around in the java.io.File API. There are at least three methods which may be of use:

• listFiles()
• isDirectory()
• isFile()

Answer 2

You could try

File directory = new File("<Path to directory>");

String [] directoryContents = directory.list();

List<String> fileLocations = new ArrayList<String>();

for(String fileName: directoryContents) {
    File temp = new File(String.valueOf(directory),fileName);
    fileLocations.add(String.valueOf(temp));
}

Answer 3

Check out File.list()