Delete non empty directory in java

import java.io.File;

class DeleteDir {

public static void main(String args[]) {

deleteDirectory(new File(args[0]));

}

static public boolean deleteDirectory(File path) {

if( path.exists() ) {

File[] files = path.listFiles();

for(int i=0; i<files.length; i++) {

if(files[i].isDirectory()) {

deleteDirectory(files[i]);

}

else {

files[i].delete();

}

}

}

return( path.delete() );

}

}