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How to delete a directory and its contents in Java
Programming Bytes
In Java, we can loop through all the files and folders inside a directory and delete it. To delete a directory:
-
Use the
Files.walkmethod to walk through all the files of the directory. This method returns a stream withPaths. -
All the files are traversed in depth-first order. Reverse the stream and delete it from inner files.
-
Call
Files.delete(path)to delete the file or directory.
Example
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Comparator;
public class Main {
public static void main(String[] args) throws IOException {
Path dir = Paths.get("path"); //path to the directory
Files
.walk(dir) // Traverse the file tree in depth-first order
.sorted(Comparator.reverseOrder())
.forEach(path -> {
try {
System.out.println("Deleting: " + path);
Files.delete(path); //delete each file or directory
} catch (IOException e) {
e.printStackTrace();
}
});
}
}
In the above code, we looped through
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