Fast Track 12

The default access specifer for the class members is

• public
• private
• protected
• None of the above.

By default the members of the structure are

• private

• protected
• public
• Access specifiers not applicable for structures.

Pick up the valid declaration for overloading ++ in postfix form where T is the class name.

• T operator++();
• T operator++(int);
• T& operator++();
• T& operator++(int);

We can use this pointer in static member function of the class.

• true
• false

Which operator is used to resolve the scope of the global variable?

• −>
• .
• *
• ::

Can we create a clone of a singleton object?

• true
• false

Integer.valueOf is an example of Factory pattern.

• false
• true

Which of the following pattern is used where we need to treat a group of objects in similar way as a single object ?

• Composite Pattern
• Facade Pattern
• Flyweight Pattern
• Decorator Pattern

Which of the following describes the Chain of Responsibility pattern correctly?

• In this pattern a class represents functionality of another class.
• This pattern creates a chain of receiver objects for a request.
• This pattern provides a way to evaluate language grammar or expression.
• In this pattern a request is wrapped under an object as command and passed to invoker object.

Which of the following pattern is used to get a way to access the elements of a collection object in sequential manner without any need to know its underlying representation?

• Iterator Pattern
• Mediator Pattern
• Memento Pattern
• Observer Pattern