Which of the following statements about friend functions and friend classes is false?
a. A class can either grant friendship to or take friendship from another class using the friend keyword.
b. A friend declaration can appear anywhere in a class definition.
c. A friend of a class can access all of its private data member and member functions.
d. The friendship relationship is neither symmetric nor transitive.
a. A class can either grant friendship to or take friendship from another class using the friend keyword.
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The getDecision procedure is provided only by coordinators. Define a new version of getDecision to be provided by participants for use by other participants that need to obtain a decision when the coordinator is unavailable.
Assume that any active participant can make a getDecision request to any other active participant. Does this solve the problem of delay during the ‘uncertain’ period? Explain your answer. At what point in the two-phase commit protocol would the coordinator inform the participants of the other participants’ identities (to enable this communication)?
Structured programs can be easily broken down into routines or ____ that can be assigned to any number of programmers.
A. processes B. modules C. units D. pieces