### Question:
ReferenceField implements FieldType<String> { @Override public boolean hasDefaultValue() { return false; } ReferenceField();  ReferenceField(final String scope); @Override Types getType(); String getScope(); boolean isScoped(); @Override String getDefaultValue(); @Override boolean hasDefaultValue(); @Override String convert(Object objValue); @Override JSONObject toJson();  }### Answer:
@Test public void testHasDefaultValue() { System.out.println("hasDefaultValue"); assertFalse(new ReferenceField().hasDefaultValue()); assertFalse(new ReferenceField("table").hasDefaultValue()); }