[Java]_ [primary]_ [traps for packing and unpacking - do not use = = for package type wrapper class comparison]
scene
When using Java Integer for arithmetic operation, it is occasionally found that the result is false under the premise that the two int values of = = comparison operator are the same. What is the reason?
explain
JDK5 has started to provide auto boxing and auto unboxing functions. The purpose is to facilitate the conversion between orig ...
Posted by chronister on Tue, 14 Sep 2021 19:22:56 -0700