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Programming MCQs

Page 24 of Programming multiple-choice questions with answers. Tap an option to check yourself.

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Question 461 Java

Which keyword does a Java class use to adopt an interface?

Correct answer B. implements

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Question 462 Java

Which Java keyword, applied to a method, prevents subclasses from overriding it?

Correct answer C. final

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Question 463 Java

What is the output of the Java statement System.out.println(10 / 4);?

Correct answer D. 2

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Question 464 Java

What is the output of the Java statement System.out.println(“5” + 3 + 2);?

Correct answer C. 532

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Question 465 Java

What is the output of the Java statement System.out.println(3 + 2 + “5”);?

Correct answer A. 55

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Question 466 C++

Which symbol is the scope resolution operator in C++?

Correct answer A. ::

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Question 467 C++

In C++, what is a member function with the same name as its class, preceded by a tilde (~), called?

Correct answer B. Destructor

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Question 468 C++

Which C++ keyword allows a base class function to be overridden and resolved at run time?

Correct answer A. virtual

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Question 469 C++

How is a pure virtual function declared in C++?

Correct answer B. By writing = 0 at the end of its declaration

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Question 470 C++

Which access specifier allows class members to be accessed by derived classes but not by outside code?

Correct answer B. protected

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Question 471 C++

In C++, what is it called when several functions share the same name but have different parameter lists?

Correct answer C. Function overloading

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Question 472 C++

Which C++ keyword gives a non-member function access to the private members of a class?

Correct answer B. friend

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Question 473 C++

What is the default access level of members of a struct in C++?

Correct answer D. public

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Question 474 C++

Which C++ keyword is a pointer to the object for which a member function is called?

Correct answer C. this

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Question 475 C++

Which C++ Standard Library container works as a dynamic array that can grow in size?

Correct answer B. vector

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Question 476 C++

Which C++ feature lets you write one function or class that works with many data types?

Correct answer D. Templates

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Question 477 C++

Which C++ data type can hold only the values true and false?

Correct answer D. bool

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Question 478 HTML

Which HTML5 element represents self-contained content such as a blog post or news story?

Correct answer A. <article>

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Question 479 HTML

Which HTML5 element is used to embed a video file in a web page?

Correct answer A. <video>

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Question 480 HTML

Which HTML5 attribute stops a form from being submitted until a field is filled in?

Correct answer A. required

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