摘要:
serialVersionUID作用:序列化时为了保持版本的兼容性,即在版本升级时反序列化仍保持对象的唯一性。有两种生成方式:一个是默认的1L,比如:private static final long serialVersionUID = 1L;一个是根据类名、接口名、成员方法及属性等来生成一个64... 阅读全文
摘要:
构词法构成的副词at present 目前presently 目前at the same time 同时simultaneously 同时once in while 偶尔occasionally 偶尔in general 一般说来generally(speaking)一般说来in addation 另外additionally 另外in particular 尤其,特别particularly 尤其,特别,格外in conclusion 总而言之conclusiverly 总而言之in short 简而言之,总之shortly 简短的in brief 简言之briefly 简言之in priv 阅读全文
摘要:
一天一句,坚持不懈1. Hello. 你好!2. Good morning. 早上好。3. I am Kate Green. 我是凯特·格林。4. Are you Tom Brown? 你是汤姆·布朗吗?5. Yes, I am. 是的,我是。6. How do you do? 你好!How do you do? 你好!7. How are you? 你好吗?Fine, thanks. 很好,谢谢。8. How is your mother? 你妈妈好吗?9. She is very well, thank you. 她很好,谢谢你。10. Good afternoon. 阅读全文