20221117

2022-11-2120221117 树模型
概述TreeNode接口，JsonNode抽象类实现TreeNode主要关注TreeNode接口的方法ObjectMapper相关方法readTreewriteTree简单使用Stringuser=objectMapper.
2022-11-18GL-Outlining a movie plot 20221117
TopicOutliningamovieplotwhatwasthelastmovieyousaw?Didyoulikeit?银行商人AndyDufresne因谋杀妻子及其情人而被定罪，并在肖申克监狱被判处终身监禁。生
2022-11-1720221117-python-条件判断
1.浅拷贝与深拷贝 2.分支语句