### Question:
LangProfile { public LangProfile() {} LangProfile();  LangProfile(String name); void add(String gram); void omitLessFreq(); void update(String text); public String name; public HashMap<String, Integer> freq; public int[] n_words; }### Answer:
@Test public final void testLangProfile() { LangProfile profile = new LangProfile(); assertEquals(profile.name, null); }