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再射。Originally, I was not particularly interested in animation. When I was in high school, my classmates handed me an MP4 with objects from heaven. I set foot on a road of no return. Sure enough, the house was contagious. However, almost all of them watched cartoons directly on various players in the district, such as Thunderbolt and Fashion, and seldom exchanged their experiences with others.Through the management of the connection pool, the sharing of database connections is realized, and the connection does not need to be recreated every time, thus saving the overhead of database recreation and improving the performance of the system!C) Initial understanding of UML. This is a tool for learning design patterns. In the early days, you could even only know the relevant diagrams of BlueJ, which took 10 minutes.韩信据有燕齐之地，刘邦控制的则是从陇西到赵地沿着大河的这一条线的领土。教他们的则是一个十来岁的小女孩，穿一身白底蓝花衣裤，头上梳着双丫髻，生的细巧干净，眉目灵秀，神情纯真无邪。