How to list Files in a Directory in java

Using the java.io.File api we will see how to list files in a directory in java. File.list() method returns array of String containing names of files & dir’s

Example:How to list Files in a Directory in java

We will write a java program to list all the files and directories from C:\\kscodes folder.
The kscodes folder has below content.
How to list Files in a Directory in java

package com.kscodes.sampleproject;

import java.io.File;

public class FileListExample {

	public static void main(String[] args) {

		File file = new File("C:\\kscodes");

		String[] listOfFiles = file.list();

		if (listOfFiles == null || listOfFiles.length == 0) {
			System.out.println("No Files or Directories found");
		} else {
			for (String fileName : listOfFiles) {
				File newFile = new File(file, fileName);
				boolean isDir = newFile.isDirectory();
				if (isDir) {
					System.out.println(fileName + " is a Directory");
				} else {
					System.out.println(fileName + " is a File");
				}
			}
		}

	}

}

package com.kscodes.sampleproject;

import java.io.File;

public class FileListExample {

public static void main(String[] args) {

File file = new File("C:\\kscodes");

String[] listOfFiles = file.list();

if (listOfFiles == null || listOfFiles.length == 0) {

System.out.println("No Files or Directories found");

} else {

for (String fileName : listOfFiles) {

File newFile = new File(file, fileName);

boolean isDir = newFile.isDirectory();

if (isDir) {

System.out.println(fileName + " is a Directory");

} else {

System.out.println(fileName + " is a File");

}

Output

FileHandling.java is a File
htmlCode is a Directory
javaCode is a Directory
Java_Tutorials.doc is a File
SpringMvcCode is a Directory
Tips&Tricks.txt is a File

FileHandling.java is a File

htmlCode is a Directory

javaCode is a Directory

Java_Tutorials.doc is a File

SpringMvcCode is a Directory

Tips&Tricks.txt is a File