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Column Title: Happy Play GardenIf an application uses a large number of objects, and a large number of these objects cause a large storage overhead, it should be considered. Also, most of the states of the object are external states. If you delete the external states of the object, you can replace many groups of objects with relatively few shared objects, or you can consider using the meta-sharing mode.Picture above first."Of course, it is impossible for fur to resist bullets. As long as you hit it accurately, you can kill one with a maximum of two shots. The speed is not slow, but it is not impossible to hit. If they only run on flat ground, then there is really no threat, but-they will drill the ground!"3. Use object instead of string to record the current state, which makes the state switching more clear at a glance.时尚网站总编赵一闻，对女性很不好。被他甩掉的女友陈瑶扬言报复他，给他造成