Object Oriented Programming (oop) Concepts Mcqs Start Creating PDF

MCQ: Break statement in switch case

1. prevents from fallthrough
2. causes an exit from innermost loop
3. both a and b
4. none

MCQ: Fallthrough in a switch case statement

1. prevents the next case after the matching block to be executed
2. Allows the next case after the matching block to be executed
3. no fallthorugh occurs in switch case
4. none

MCQ: Overloaded methods in java

1. Compiler uses method signature to determine which method to invoke. They may have different functionality
2. They are not available in fundamental classes
3. They have the same name and signature
4. none

MCQ: Which Java.Lang contains only static methods?

1. Math ,System
2. Number,Exception
3. There is no such class
4. none

MCQ: Invoking methods characteristics

1. methods can be invoked in any order and calling method should be in same class as worker method
2. Worker method and calling method can be invoked in same way
3. Any method can call any method
4. all the above

MCQ: Constructor chaining is

1. subclass constructor calling super class constructor
2. super class constructor calling subclass constructor
3. both
4. none

MCQ: Abstract class vs Interface

1. A class may inherit only one abstract class but may inherit several interfaces.
2. An abstract class can provide complete and default code but an interface has no code
3. both a and b
4. none

MCQ: Use of preprocessor directive in OOP

1. for conditional compilation
2. for macro expansion
3. error and warning reporting
4. all the above

MCQ: Pure virtual function is used

1. to give meaning to derived class function
2. to give meaning to base class function
3. to initialize all functions
4. None

MCQ: Function templates are considered equivalent when

1. Declared in same scope
2. Having same name
3. Having identical return type and parameter list
4. All of the above