### Question:
StringPreference extends AbsPreference<String> { @Override public String get() { return getPreferences().getString(getKey(), getDefaultValue()); } StringPreference(SharedPreferences preferences, String key);  StringPreference(SharedPreferences preferences, String key, String defaultValue); @Override String get(); @SuppressLint("CommitPrefEdits") @Override void set(String value);  }### Answer:
@Test public void getValue() { String expected = "ೖ(⑅σ̑ᴗσ̑)ೖ"; String key = "testKey2"; preferences.edit().putString(key, expected).commit(); StringPreference preference = new StringPreference(preferences, key); String result = preference.get(); assertThat(result).isEqualTo(expected); }