/** get returns the last value lazySet in same thread */
public void testGetLazySet() {
AtomicInteger ai = new AtomicInteger(1);
assertEquals(1, ai.get());
ai.lazySet(2);
assertEquals(2, ai.get());
ai.lazySet(-3);
assertEquals(-3, ai.get());
}
/** 1. 最后设置为给定的值。 */
public void testLazySet() {
AtomicInteger ai = new AtomicInteger();
ai.lazySet(10);
System.out.println(ai); // 10
}