WalkDirFiles

package searchdir;

import java.io.File;

public class WalkDir {

public static void main(String[] args) {

File file = new File("/System");

listF(file);

}

public static void listF(File file) {

if (file.isFile()) {

if (file.getName().contains("sys")) {

System.out.println(file.getAbsolutePath());

}

return;

} else {

if (file.isDirectory()) {

File[] files = file.listFiles();

if (files == null) {

return;

}

for (File o : files) {

listF(o);

}

}

}

}

}