设计模式总结
mark
https://www.javadoop.com/post/design-pattern
Face your past without regret. Handle your present with confidence.Prepare for future without fear. keep the faith and drop the fear.
面对过去无怨无悔，把握现在充满信心，备战未来无所畏惧。保持信念，克服恐惧！一点一滴的积累，一点一滴的沉淀，学技术需要不断的积淀！
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