Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
a no syntax wise it is permitted but then the function is no longer inline since the compiler will never know how deep the recursion is at
a in c the definition of null is 0 thus there is only an aesthetic difference i prefer to ignore macros so i employ 0 another difficulty with null is
a provide a friend operatorltlt which calls a protected virtual functionclass base publicfriend stdostreamamp operatorltlt stdostreamamp o const
a use operator overloading to present a friend right-shift operator operatorgtgt it is similar to the output operator except the parameter doesnt
q however shouldnt i always use a printon method instead of a friend functiona nothe usual cause people wish to always use a printon method instead
a use operator overloading to present a friend left-shift operator operatorltltinclude class fred publicfriend stdostreamamp operatorltlt
a use a member while you can and a friend when you need tosometimes friends are better syntactically eg in class fred friend functions let the fred
here is a short program it prints out the value of a variable x ernie and bert disagree about what will be printed ernie says the value gets changed
what does this mean that friendship isnt transitive inherited or reciprocala as i grant you friendship access to me doesnt grant your kids
a they present a degree of freedom in the interface design optionsmember functions amp friend functions are equally privileged 100 vested the major
a no if theyre utilized properly they increase encapsulationyou frequently require splitting a class in half while the two halves will have distinct
a something to let your class to grant access to another class or functionfriends may be either classes or functions class grants access privileges
abinaryheaph------------ifndef binaryheaphdefine binaryheaphinclude dsexceptionshinclude vectorh binaryheap class construction with an optional
a binarysearchtreeh----------------------ifndef binarysearchtreehdefine binarysearchtreehinclude dsexceptionshinclude for null binary node amp
implement a algorithm to verify if the link list is in ascending ordera templatebool linklistisascending constnodeptr ptr headwhile ptr-gtnext
what are some guidelines rules of thumb for overloading operatorsa here are a few guidelines rules of thumb use common sense if your overloaded
q tells the operators one can override which operators should he overridea bottom line dont puzzle your usersremember the reason of operator
a no cantthe names of precedence of associativity of and arity of operators is fixed through the language in c there is no operator so you cannot
q can i overload operator so it allow me compare two char by a string comparisona no at least one operand of particular overloaded operator should
a mostly can be overloaded the only c operators which cant be are and and sizeof that is technically an operator c adds a few of its own operators
q but operator overloading makes class look ugly isnt it assumed to make my code clearera operator overloading makes life simpler for the users of a
a here are a few of the many instance of operator overloadingmystring yourstring may concatenate two stdstring objects mydate may increment a date
a you can exploit by overloading standard operators on a class the intuition of the users of that class this allow users program in the language of