Java Directory - Directory and File Listing Example in Java

This example illustrates how to list files and folders present in the specified directory. This topic is related to the I/O (input/output) of java.io package.

In this example we are using File class of java.io package. The File class is an abstract representation of file and directory pathnames. This class is an abstract, system-independent view of hierarchical pathnames. An abstract pathname has two components:

1. An optional system-dependent prefix string,
   such as a disk-drive specifier, "/" for the UNIX root directory, or "\\" for a Win32 UNC pathname, and
2. A sequence of zero or more string names.

Explanation

This program list the file of the specified directory. We will be declaring a function called dirlist which lists the contents present in the specified directory.

dirlist(String fname)

The function dirlist(String fname) takes directory name as parameter. The function creates a new File instance for the directory name passed as parameter

File dir = new File(fname); 

and retrieves the list of all the files and folders present in the directory by calling list() method on it. 

String[] chld = dir.list();  

Then it prints the name of files and folders present in the directory.

Code of the Program : 

Download Directry Listing Example