C++

C++ Chapter 1 : Introduction

Standard Wesbite : C++

Some C++ data types, their format specifiers, and their most common bit widths are as follows:

• Int ("%d"): 32 Bit integer
• Long ("%ld"): 64 bit integer
• Char ("%c"): Character type
• Float ("%f"): 32 bit real value
• Double ("%lf"): 64 bit real value

Dangling Pointer - Pointing to memory location already deleted

Void Pointers - a type of pointer that can store data of any type (void *ptr;)

Null Pointer - is a value of the pointer (int *ptr=NULL)

Wild Pointer - Uninitialised value of a pointer

List of Compiler Link

• Minigw

• gcc

• Clang

• gcc

Compile -> Object Code -> Linked -> Executable

auto

vs "functions.h"

1. are defined by standard C++ org

2. are defined function specific and not standard

#include

string name;

• += or + to combine two strings
• == <> or != to test two strings

String Member Functions

• length - variable.length();
• substr -
• find