Podcast
Questions and Answers
What is the primary purpose of using constructors in a class?
What is the primary purpose of using constructors in a class?
- To provide public access to all data members
- To override the default access modifier
- To restrict private access to certain members
- To initialize object data and validate values (correct)
What happens if a class does not have a constructor?
What happens if a class does not have a constructor?
- A runtime exception is thrown
- A compile-time error occurs
- The class cannot be instantiated
- A default constructor is automatically generated (correct)
What is true about the data members initialized by a constructor?
What is true about the data members initialized by a constructor?
- They are always public and accessible by any part of the program
- They are always private and inaccessible by any part of the program
- They are assigned default values without any validation
- They are validated for their values before assignment (correct)
What is the purpose of a default constructor?
What is the purpose of a default constructor?
What is the default access modifier for a class if not specified?
What is the default access modifier for a class if not specified?
What is the access modifier of a default constructor?
What is the access modifier of a default constructor?
What is the purpose of validating values in a constructor?
What is the purpose of validating values in a constructor?
What is the benefit of using constructors to initialize object data?
What is the benefit of using constructors to initialize object data?
What is initialized when a default constructor is generated?
What is initialized when a default constructor is generated?
When is a default constructor generated?
When is a default constructor generated?
What happens to every instance of the class?
What happens to every instance of the class?
What is the default access modifier if none is specified?
What is the default access modifier if none is specified?
Which access modifier allows access from outside the class?
Which access modifier allows access from outside the class?
What is the purpose of a constructor?
What is the purpose of a constructor?
What is the effect of a private access modifier?
What is the effect of a private access modifier?
