CPP Syntax Fundamentals & Data Structures

Question 1

Which symbol is used to terminate a statement in C++?

Accepted Answer

;

Answer

.

Answer

:

Answer

,

Question 2

What is the correct way to declare an integer variable in C++?

Accepted Answer

int x;

Answer

integer x;

Answer

x int;

Answer

var x int;

Question 3

What does the 'new' keyword do in C++?

Accepted Answer

Allocates memory dynamically

Answer

Deletes a variable.

Answer

Allocates memory on the stack.

Answer

Initializes a pointer to null.

Question 4

Which data structure uses FIFO (First In, First Out)?

Accepted Answer

Queue

Answer

Stack

Answer

Tree

Answer

Graph

Question 5

Which keyword is used to create a constant in C++?

Accepted Answer

const

Answer

static

Answer

define

Answer

fixed

Question 6

What is the default access specifier for class members in C++?

Accepted Answer

private

Answer

public

Answer

protected

Answer

global

Question 7

Which container in C++ STL maintains elements in sorted order?

Accepted Answer

set

Answer

vector

Answer

list

Answer

queue

Question 8

Which of the following is used to define a function in C++?

Accepted Answer

void functionName() {}

Answer

func()

Answer

define()

Answer

function {}

Question 9

Which C++ data structure is best for LIFO (Last In, First Out)?

Accepted Answer

Stack

Answer

Queue

Answer

Graph

Answer

Tree