THE TUTORIAL LIBRARY

C++ tutorials

111 tutorials

C++2011-02-19

Lvalues and Rvalues in C++

Some operators, such as assignment, require that one of their operands be an lvalue. As a result, lvalues can be used in more contexts than can rvalues. The context in which an lva

Read tutorial

C++2011-02-19

Multi-Line Literals in C++

There is a more primitive (and less useful) way to handle long strings that depends on an infrequently used program formatting feature: Putting a backslash as the last character on

Read tutorial

C++2011-02-19

Concatenated String Literals in C++

Two string literals (or two wide string literals) that appear adjacent to one another and separated only by spaces, tabs, or newlines are concatenated into a single new string lite

Read tutorial

C++2011-02-19

Character String Literals in C++

All of the literals we've seen so far have primitive built-in types. There is one additional literalstring literalthat is more complicated. String literals are arrays of constant c

Read tutorial

C++2011-02-19

Escape Sequences for Nonprintable Characters in C++

Some characters are nonprintable. A nonprintable character is a character for which there is no visible image, such as backspace or a control character. Other characters have speci

Read tutorial

C++2011-02-19

Using the Built-in Arithmetic Types in C++

The number of integral types in C++ can be bewildering. C++, like C, is designed to let programs get close to the hardware when necessary, and the integral types are defined to cat

Read tutorial

C++2011-02-19

if in C++

A logical extension of summing the values between 1 and 10 is to sum the values between two numbers our user supplies. We might use the numbers directly in our for loop, using the

Read tutorial

C++2011-02-19

Programming errors a compiler will detect in C++

Part of the compiler's job is to look for errors in the program text. A compiler cannot detect whether the meaning of a program is correct, but it can detect errors in the form of

Read tutorial

C++2011-02-19

for loop in C++

In our while loop, we used the variable val to control how many times we iterated through the loop. On each pass through the while, the value of val was tested and then in the body

Read tutorial

C++2011-02-19

while loop in C++

A while statement provides for iterative execution. We could use a while to write a program to sum the numbers from 1 through 10 inclusive as follows:

Read tutorial

C++2011-02-19

Comments in C++

There are two kinds of comments in C++: single-line and paired. A single-line comment starts with a double slash (//). Everything to the right of the slashes on the current line is

Read tutorial

C++2011-02-19

Program to add two numbers in C++

Using the IO library, we can extend our main program to ask the user to give us two numbers and then print their sum:

Read tutorial

{ }

The future is yours to build.

One example today. A better developer tomorrow.

Find something to build →