Answer / phool chand

A pure virtual function is signified by using `=0;' in place of the body of the function. The presence of a pure virtual function prevents instantiation of the class which contains it. For this to be of any use, a derived class must implement the pure virtual function. I.e. the derived class must provide a function with the same name which includes a function body.

The basic reason for pure virtual functions is to specify something that a class can do without specifying how the class will do it.

Must accepts "Maestro Cards" Tax for bike should be less than 15 Total number of lanes is more than 10 Must provides monthly pass Write a method: boolean isGoodTollBridge(String[] cardsAccepted, String[] tollTax, boolean hasMonthlyPass, int numberOfLanes); String[] cardsAccepted A String array of names of card types accepted for payment of toll tax, it can be null if the toll does not accept any card String[] tollTax A String array of toll tax chart (say “Train : 300”,”BullCart : 10”) boolean hasMonthlyPass This parameter defines whether there is any monthly pass available or not int numberOfLanes This parameter defines the number of lanes for each side

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