Data Types in C++
Data types in c++
Built-in User Defined Derived
---------- ----------- ------------
void, int, structure, array,
char, float, union, function,
double, bool, enum, pointer,
long long class, reference
Wide Character typedefrange of long long in c++
Long
Data Type Size (in bytes) Range
long int 4 -2,147,483,648 to 2,147,483,647
unsigned long int 4 0 to 4,294,967,295
long long int 8 -(2^63) to (2^63)-1
unsigned long long int 8 0 to 18,446,744,073,709,551,615All data types in C++
Data Type Size
int (Integer) = 5, 6, 7 2
float (Floating Value) = -3.67, 2.67 4
double (Double of float) = -7.8746 8
char (Character) = 'a', 'b', 'A' 1
string (Multiple chars) = "Hello World" No of Chars
bool (Boolean) = true, false true = 1, false = 0data types in c++
int myNum = 5; // Integer (whole number)
float myFloatNum = 5.99; // Floating point number
double myDoubleNum = 9.98; // Floating point number
char myLetter = 'D'; // Character
bool myBoolean = true; // Boolean
string myText = "Hello"; // StringCopyright © 2021 Codeinu
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