检索文件

class FindFile{
    static int num;
    static public boolean soutAll(File f) {
        boolean is = false;

        if (f == null){
            return false;
        }
        if (f.isDirectory()) {
            num++;
            File[] files = f.listFiles();
            for (File file : files) {
                is = soutAll(file) | is;
            }
        }
        if (f.getName().equals("askdhiuabwdkasbdosa.txt")) {
            is =true;
        }
        if (is) {
            System.out.print(f.getName()+ ">");
        }
        return is;
    }
}