How to copy a dir structure with files and subdir's in to another dir

Hi there.
How can i copy a dir structure with files and subdirs to another dir structure
ie., all files and dirs in side the dir c:\aDir to c:\copyDir so i should get like c:\copyDir\aDir(all the files and subdirs of adir here)
Thanks in advance
Muthu

File f = new File(dirName);
if(f1.isDirectory()) {
String list = f.list();
then u have perform file io for each file and copy them to dir u want
[email protected]

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