Tag C++

C++ String Length

String Length To get the length of a string, use the length() function: Example: Tip: You might see some C++ programs that use the size() function to get the length of a string. This is just an alias of length().…

C++ Numbers and Strings

Adding Numbers and Strings C++ uses the + operator for both addition and concatenation. Numbers are added. Strings are concatenated. If you add two numbers, the result will be a number: Example: If you add two strings, the result will…

C++ String Concatenation

String Concatenation The + operator can be used between strings to add them together to make a new string. This is called concatenation: Example: In the example above, we added a space after firstName to create a space between Priyanshu…

C++ String Data Types

String Types The string type is used to store a sequence of characters (text). This is not a built-in type, but it behaves like one in its most basic usage. String values must be surrounded by double quotes: Example: To…

C++ Character Data Types

Character Types The char data type is used to store a single character. The character must be surrounded by single quotes, like ‘A’ or ‘d’: Example: Alternatively, you can use ASCII values to display certain characters: Example: Output—-> A B…

C++ Boolean Data Types

Boolean Types A boolean data type is declared with the bool keyword and can only take the values true or false. When the value is returned, true = 1 and false = 0. Example: Output—-> Boolean values are mostly used…

C++ Numeric Data Types

Numeric Types Use int when you need to store a whole number without decimals, like 35 or 1000, and float or double when you need a floating point number (with decimals), like 9.99 or 3.14515. int float double float vs.…

C++ Data Types

C++ Basic Data Types As explained in the Variables chapter, a variable in C++ must be a specified data type: Example Output—-> int: 7float: 5.77double: 9.99char: Abool: 1string: Hello Basic Data Types The data type specifies the size and type…

C++ User Input

C++ User Input You have already learned that cout is used to output (print) values. Now we will use cin to get user input. cin is a predefined variable that reads data from the keyboard with the extraction operator (>>).…