Java Examples - Traverse All Directories Under the Specified Directory
Java ExamplesThe following example demonstrates how to use the list method of the File class to traverse all directories under the specified directory:
Main.java file
import java.io.*;
class Main {
public static void main(String[] args) {
File dir = new File("F:");
File[] files = dir.listFiles();
FileFilter fileFilter = new FileFilter() {
public boolean accept(File file) {
return file.isDirectory();
}
};
files = dir.listFiles(fileFilter);
System.out.println(files.length);
if (files.length == 0) {
System.out.println("The directory does not exist or it is not a directory");
}
else {
for (int i=0; i< files.length; i++) {
File filename = files[i];
System.out.println(filename.toString());
}
}
}
}
The output of running the above code is:
14 F:\C Drive Data Old HDD F:\Desktop1 F:\harsh F:\hharsh final F:\hhhh F:\mov F:\msdownld.tmp F:\New Folder F:\ravi F:\ravi3 F:\RECYCLER F:\System Volume Information F:\temp F:\workOther Extensions