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
What is the result?()
A. 81
B. 82
C. 91
D. 92
E. Compilation fails.
F. An exception is thrown at runtime.
You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback?()
A. Oracle Flashback uses undo information to construct consistent data.
B. You can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session.
C. You can only use Oracle Flashback view of the data if the required records are still in the online redo log files.
D. Oracle Flashback lists the DML that was executed during the period you identify when initiating your session.