This course covers C++ programming from fundamentals to advanced topics like inheritance and templates, exploring loops, functions, and core techniques for a solid beginner-to-intermediate foundation.

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Input

Input-cpp

Learn C++ for free with this interactive course, and get a hands-on experience of one of the most popular programming languages in the world.

You’ll start with a simple “Hello World” program and then move on to core concepts such as conditional statements, loops, and functions in C++. Then, you’ll explore more advanced topics like inheritance, classes, and templates, along with much more.

After completing this course, you’ll be an intermediate-level C++ developer, ready to take on your own projects.

Learn C++ from Scratch

**(True or False)** A pointer variable is a variable that can store the address of a variable. 

(True or False) A pointer variable is a variable that can store the address of a variable.

**(True or False)**  The `&` operator is used to get the value of a variable.

(True or False) The <code>&amp;</code> operator is used to get the value of a variable.

**(True or False)** A pointer variable can't point to other pointer variables.

(True or False) A pointer variable can’t point to other pointer variables.

Which statement will initialize the pointer to the address of the `x` variable?

Which statement will initialize the pointer to the address of the <code>x</code> variable?

```cpp
int arr[3];
int *x;
x = arr;
*x = 5;
```

Which option has an error in the expression?

Which option has an error in the expression?

What is the index number of the last element of an array with 27 elements?

What is the index number of the last element of an array with 27 elements?

Which option declares an array of `int` named `arr`?

Which option declares an array of <code>int</code> named <code>arr</code>?

What is the output of the following code fragment?
```cpp
int ar[] = {2, 4, 6, 8 };

ar[0] = 23;
ar[3] = ar[1];

cout << ar[0]<< "and" <<ar[3] << endl;
```

What is the output of the following code fragment?
<pre><code class="language-cpp">int ar[] = {2, 4, 6, 8 };

ar[0] = 23;
ar[3] = ar[1];

cout &lt;&lt; ar[0]&lt;&lt; &quot;and&quot; &lt;&lt;ar[3] &lt;&lt; endl;
</code></pre>

The program is defective and will not compile.

What is the output of the following code fragment?

```cpp
int* z = new int[9];

z[0] = 7;
z[1] = 3;
z[2] = 4;

cout<< z[0]+z[1] << "and" << z[5] << endl;
```

What is the output of the following code fragment?
<pre><code class="language-cpp">int* z = new int[9];

z[0] = 7;
z[1] = 3;
z[2] = 4;

cout&lt;&lt; z[0]+z[1] &lt;&lt; &quot;and&quot; &lt;&lt; z[5] &lt;&lt; endl;
</code></pre>

Test your understanding of pointers and arrays in C++.


Introduction

Variables and User Input

Simple Math

Conditional Statements

Loops

Functions and Recursion

C++ Exam 1

Pointers and Arrays

C++ Exam 2

Classes and Inheritance

Templates

C++ Exam 3

Wrap Up

Quiz: Pointers and Arrays