两个Long类型真的不能直接用>或 - 推酷



两个Long类型真的不能直接用>或 - 推酷

古人说得好—— 尽信书，则不如无书 。可能，大多数的我们在面对这个问题时，都会下意识地去Google一把，然后多家博客对比查阅，最后发现几乎所有的博文都是一致的观点：Long对象不可直接用">"或"<"比较，需要调用 Long.longValue() 来比较。于是毫无疑问地就信了。当再次遇到这个问题时，就会"很自信"地告诉别人，要用 Long.longValue() 比较。而实际呢，却不知道自己已经陷入误区！


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