Const Keyword Usage in Reference Parameters

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Questions and Answers

On which page does Lecture No. 16 start in the Data Structures document?

  • 170
  • 158 (correct)
  • 203
  • 189

What is the starting page number for Lecture No. 01 in the Data Structures document?

  • 3 (correct)
  • 20
  • 12
  • 32

What is the page number for Lecture No. 23 in the Data Structures document?

  • 273
  • 257 (correct)
  • 284
  • 296

At which page does Lecture No. 30 start in the Data Structures document?

<p>333 (D)</p> Signup and view all the answers

What is the purpose of using the const keyword with a reference parameter in a function?

<p>To prevent the function from changing the value of the variable (D)</p> Signup and view all the answers

In which type of function parameter passing is a copy of the object made and placed in the activation record?

<p>Call by value (C)</p> Signup and view all the answers

What is the advantage of using reference parameters with the const keyword?

<p>It avoids creating and storing an entire copy of the object (D)</p> Signup and view all the answers

What is the effect of marking a parameter as constant in a function?

<p>The function cannot alter the object, even by mistake (D)</p> Signup and view all the answers

How does using references in functions affect memory usage?

<p>It decreases memory usage by avoiding making copies of objects (A)</p> Signup and view all the answers

What is one of the benefits of using the const keyword with a reference parameter?

<p>It provides read only access to the object in the calling function (C)</p> Signup and view all the answers

What does the 'const' keyword at the end of a class member's function signature indicate?

<p>The function cannot change or write to member variables of that class (B)</p> Signup and view all the answers

Which type of variables are considered as member variables in a class?

<p>Public and private variables (A)</p> Signup and view all the answers

What are member variables also called in a class?

<p>State variables (D)</p> Signup and view all the answers

What is the purpose of set and get methods in a class?

<p>To set and get the values of the member variables (A)</p> Signup and view all the answers

What does it mean to make member variables read-only for a member function?

<p>The function can access the member variable but cannot change it (A)</p> Signup and view all the answers

What kind of methods can access and change public and private member variables of a class?

<p>Member functions (D)</p> Signup and view all the answers

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