Which three table transformations can be done using online redefinition of tables?()
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Given: Which statement is true?()
A. The equals method does NOT properly override the Object.equals method.
B. Compilation fails because the private attribute p.name cannot be accessed in line 5.
C. To work correctly with hash-based data structures,this class must also implement the hashCodemethod.
D. When adding Person objects to a java.util.Set collection,the equals method in line 4 will preventduplicates.
下列选项中,属于不正当竞争行为的是()。
A. 第三人明知或应知法律禁止的行为,获取、使用或者披露他人商业秘密的行为
B. 经营者以低于成本的价格销售商品用于清偿债务的行为
C. 擅自使用他人的企业名称或者姓名,引人误认为是他人商品的行为
D. 假冒他人的注册商标的行为
A team of programmers is reviewing a proposed API for a new utility class.After some discussion, they realize that they can reduce the number of methods in the API without losing any functionality.If they implement the new design, which two principles will they be promoting?()
A. Looser coupling
B. Tighter coupling
C. Lower cohesion
D. Higher cohesion
E. Weaker encapsulation
F. Stronger encapsulation
某家具城打出广告:“意大利聚酯漆家具”导致消费者误以为是意大利进口的家具,而实际上是用意大利聚酯漆涂的家具。此广告属于()的广告。
A. 真实,是消费者缺乏商品学知识
B. 虚假,是商家故意欺骗消费者
C. 引人误解,商家考虑不周
D. 错误,商家和消费者缺乏沟通