C++ programming language

31. The break statement causes an exit

1. from the innermost loop only.
2. only from the innermost switch.
3. from all loops & switches.
4. from the innermost loop or switch.

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32. The keyword friend does not appear in

1. the class allowing access to another class.
2. the class desiring access to another class.
3. the private section of a class.
4. the public section of a class.

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33. The members of a class, by default, are

1. public
2. protected
3. private
4. mandatory to specify

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34. The operator << when overloaded in a class

1. must be a member function
2. must be a non member function
3. can be both (A) & (B) above
4. cannot be overloaded

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35. The operator that cannot be overloaded is

1. ++
2. ::
3. ( )
4. ∼

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36. The process of building new classes from existing one is called

1. Structure.
2. Inheritance.
3. Polymorphism.
4. Template.

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37. The process of building new classes from existing one is called _________.

1. Polymorphism
2. Structure
3. Inheritance
4. Cascading

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38. this pointer

1. implicitly points to an object.
2. can be explicitly used in a class.
3. can be used to return an object.
4. All of the above.

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39. To perform stream I/O with disk files in C++, you should

1. open and close files as in procedural languages.
2. use classes derived from ios.
3. use C language library functions to read and write data.
4. include the IOSTREAM.H header file.

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40. Use of virtual functions implies

1. overloading.
2. overriding.
3. static binding.
4. dynamic binding.

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