### Question:
PositiveAtomicCounter { public int get() { return atom.get() & MASK; } PositiveAtomicCounter(); final int incrementAndGet(); final int getAndIncrement(); int get();  }### Answer:
@Test public void testGet() { PositiveAtomicCounter counter = new PositiveAtomicCounter(); assertThat(counter.get()).isEqualTo(0); }