Q:
Which casting among the following is allowed for the code given below?
belongs to collection: OBJECT ORIENTED PROGRAMMING - OVERLOADING MCQ
OBJECT ORIENTED PROGRAMMING - OVERLOADING MCQ
- What are default arguments?
- Which is correct condition for the default arguments?
- If a member function have to be made both zero argument and parameterized constructor, which among the following can be the best option?
- Which among the following function can be called without arguments?
- If a function have all the default arguments but still some values are passed to the function then ______________
- What function will be called with the independent syntax “test(5,6,7);”?
- Which among the following is wrong call to the function void test(int x, int y=0, int z=0)?
- Default arguments are _________________________
- Which among the following is false for default arguments?
- The non-template functions can be added with default arguments to already declared functions ____________________
- The using declaration __________
- The names given to the default arguments are only looked up and ________________. And are bound during declaration
- The default argument get bound during declaration ________________
- The virtual function overrides ____________
- Which among the following is true for constructors overloading?
- If a constructors should be capable of creating objects without argument and with arguments, which is a good alternative for this purpose?
- The Constructors with all the default arguments are similar as default constructors. State true or false
- Which among the following is true?
- Which among the following can be used in place of default constructor?
- Can a class have more than one function with all the default arguments?
- Which is the correct syntax for using default arguments with the constructor?
- How many parameters must be passed if only the following prototype is given to a constructor?
- If the constructors are overloaded by using the default arguments, which problem may arise?
- Which among the following is true ?
- Which constructor among the following will be called if a call is made like className(5,’a’);?
- Which constructor definition will produce a compile time error?
- If there is a constructor with all the default arguments and arguments are not passed then _________________
- Which is the correct statement for default constructors?
- Which is a good alternative instead of having one zero argument constructor and one single argument constructor with default argument?
- What is upcasting?
- Which among the following is true for upcasting in inheritance?
- Which among the following is safe?
- Which among the following is best situation to use upcasting?
- Which property is shown most when upcasting is used?
- Upcasting and downcasting objects is same as casting primitive types
- Which casting among the following is allowed for the code given below?
- If multiple inheritance is implemented, which upcasting will be correct?
- If class C inherits class B and class B inherits class A ________________
- Upcasting is _____________________ without an explicit type cast
- Which concept is needed because of implicit type casting use?
- When are the pointer types known for upcasting the objects?
- When are the object type known for upcasting the objects?
- If two classes are defined “Parent” and “Child” then which is the correct type upcast syntax in C++?
- What is downcasting?
- Which among the following is a mandatory condition for downcasting?
- Downcasting is _______________________
- Downcasting ____________________
- What should be used for safe downcast?
- What does dynamic_cast return after successful type casting?
- If dynamic_cast fails, which value is returned?
- Which is the proper syntax of dynamic_cast?
- Which is the exception handler for the exceptions of downcasting?
- How to prevent the ClassCastExceptions?
- Java supports direct downcasting
- Which way the downcasting is possible with respect to inheritance?
- What happens when downcasting is done but not explicitly defined in syntax?
- When is downcating used?
- Why is downcasting possible in any language?
- How many types of member functions are possible in general?
(b).Casting 2
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