Both of those @property and standard getters and setters have their pros. It will depend on your use scenario. 近年来这方面的研究开发主要是围绕结构 、 合成 、 表征和催化反应等方面开展的. This is great, isn't it: You can begin with The only implementation conceivable, so you are cost-free to later on migrate to some property version without https://countyprojectinnoida.blogspot.com