【单选题】Variables that are shared by every instances of a class are __________.
【判断题】“雄鸡一声天下白”。因为鸡鸣发生在天亮之前,所以鸡鸣是天亮的原因。以上的论断中存在居先为因的谬误。
【简答题】已知:int x=7,y=5; (float)x/y的值为( )
【简答题】外生变量与内生量变(exogenous variables & endogenous variables)
【判断题】“雄鸡一声天下白”。因为鸡鸣发生在天亮之前,所以鸡鸣是天亮的原因。以上的论断中存在居先为因的谬误。
【简答题】已知:int x=7,y=5; x/y的值为( )
【多选题】Which of the following statements about variables and their scopes are true?
A.
Instance variables are member variables of a class
B.
Instance variables are declared with the static keyword
C.
Local variables defined inside a method are created when the method is executed
D.
Local variables must be initialized before they are used
【单选题】All variables defined in a function are ()
【单选题】是吸引和留住人才的关键因素,是企业在激烈的市场竞争中实现可持续发展的必然要求。