设a=8,则表达式a>>>2的值是 【8】 。
参考答案:B
解析: >>>为不带符号的右移,8的各比特位右移2位,左边的空位填0。此将题8(1000)变为了2(0010)。
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System analysis is traditionally done top-down using structured analysis based on (90) .Object-oriented analysis focuses on creation of models.The three types of the analysis model are (91) .There are two substages of object-oriented analysis. (92) focuses on real-world things whose semantics the application captures.The object constructed in the requirement analysis shows the (93) of the real-world system and organizes it into workable pieces. (94) addresses the computer aspects ofthe application that are visible to users.The objects are those which can be expected to vary from time to time quite rapidly.
A.function model,class model and state model B.class model,interaction model and state model C.class model,interaction model and sequence model D.function model,interaction model and state model