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Strings | Variables
Introduction to C++
course content

Зміст курсу

Introduction to C++

Introduction to C++

1. Basics
2. Variables
3. Conditional Statements
4. Loops
5. Intro to Arrays

Strings

As we mentioned before strings are used for storing text. Let’s explore some useful functions using this type of variables.

To concatenate 2 (or more) lines to store the result in the new variable, use the operator +:

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string a = "Hello "; string b = "World"; string c = a + b; cout << c;
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String variables contain functions that help perform certain operations on them.

For example, you can find the length of the string variable using the built-in function .length():

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string a = "Hello user!"; cout << a.length();
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For finding the length of the line you can use the funtion .size(): a.size().

You can also concatenate strings using the built-in function .append():

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string a = "Hello "; cout << a.append("everyone!");
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question-icon

Concatenate two lines (`a` and `b`) and store the result in the variable `c`. Find the length of this new variable. Print the new line and its length:

string a = "I love C++! ";
string b = "I love programming!";
string c = a
b;

cout <<
<< endl;
cout <<
;
I love C++! I love programming!
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Натисніть або перетягніть елементи та заповніть пропуски

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