Which one of the following is a class header indicating that we are defining a class named Amphibian, which is derived from the Animal class?
a. Amphibian : Animal
b. Animal(Amphibian)
c. Animal->Amphibian
d. Amphibian extends Animal
a. Amphibian : Animal
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cin and cout are defined in the _________ namespace
a. iostream b. std c. standard d. global
What is the correct code for void add(String x) operation? Such an operation adds x to the queue
A queue based on a linked list uses the following code ``` class Node { String element; Node next; Node (String el, Node n) { element = el; next = n; } } Node front = null, rear = null; ``` A) rear = new Node(x, null); B) rear = new Node(x, null); rear = rear.next; C) if (rear != null) { rear.next = new Node(x, null); rear = rear.next; } else { rear = new Node(x, null); front = rear; } D) if (rear != null) { rear.next = new Node(x, null); rear = rear.next; } else { rear.next = new Node(x, null); front = rear; }
The key when working with the Bristle brush is to ____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not an error?
a) having a function definition that spans two files b) using a global variable in a file it was not defined in without defining it with the extern modifier c) defining a function prototype without the extern keyword when the definition is in another file d) having global variables in different files with the same name