嗨,当我比较==整数,我有一些问题,所以 你能解释我为什么第二次测试是成功的吗?
@Test
public void integerTest() {
Integer prvni = 127;
Integer druhy = 127;
Integer treti = 128;
Integer ctvrty = 128;
assertTrue(prvni == druhy);
assertTrue(treti != ctvrty);
}
另外:http://stackoverflow.com/questions/5117132/wrapper-objects-share-the-same-address-space-only-within-the-value-127 –