Which two statements are true regarding the return values of property written hashCode and equals methods from two instances of the same class？（） [" If the hashCode values are different， the objects might be equal."," If the hashCode values are the same， the object must be equal."," If the hashCode values are the same， the objects might be equal."," If the hashCode values are different， the objects must be unequal."]
准确性
从业人员的以下行为与信息保密准则的精神发生冲突的是（） ["在受雇期间妥善保存客户资料及其交易信息档案","任何情况下都坚持严守客户信息，不向单位或个人泄露","与本机构同事谈论客户的社会地位","将长期没有业务往来的客户名单透露给其他机构"]
福万通网络学院课程资源为商业秘密，学员不得有如下行为（） ["以任何形式的复制、拷贝、翻译、转化与衍生、反汇编及反编","用于商业用途的营利性使用","在大众传播媒体上播放","泄露"]
What is the numerical range of a char？（） [" 0 ... 32767"," 0 ... 65535"," –256 ... 255"," –32768 ... 32767"," Range is platform dependent."]
异型射线在演化中形成了同型射线。同型射线在哪些具有单穿孔导管的植物中存在，由此也可以说明是一种比较进化的类型。此类也包括三类
