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import java.io.*;
import java.util.*;
public class RecursiveClass {
public static void main(String[] args) {
for(File file : File.listRoots()){
search(file);
}
}
public static void search(File f) {
if ( !f.exists() ) return;
String name = f.getName();
System.out.println(name);
if ( f.isDirectory() ) {
File[] files = f.listFiles();
if (files != null) {
for( int i = 0 ; i < files.length; i++ ) {
search( files );
}
}
}
}
}
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