### Question:
PrimitiveBooleanWrapper extends BooleanWrapper { @Override public Boolean getDefault() { return false; } PrimitiveBooleanWrapper();  PrimitiveBooleanWrapper(boolean value); @Override Boolean getDefault(); @Override boolean isPrimitiveWrapper(); @Override R accept(WrapperVisitor<R, P, Q, TH> visitor, P p, Q q);  }### Answer:
@Test void getDefault() { PrimitiveBooleanWrapper wrapper = new PrimitiveBooleanWrapper(); assertEquals(false, wrapper.getDefault()); }