Summary Want to learn programming

CS118 –
Programming
Fundamentals
Lecture # 04

Spring 2022


Ms. Aysha
Ashraf

, Basics of a Typical C++
9 Program
Environment … object
 Standard output stream
 std::cout
 “Connected” to screen
 <<
 Stream insertion operator
 Value to right (right operand) inserted into output stream
 Namespace
 std:: specifies that entity belongs to “namespace”
using binary scope resolution operator(::)
 std:: removed through use of using statements
 Escape characters: \
 Indicates “special” character output

CS 118 - FALL
2020

, Hello
1
0
World++
/ / Hell o Worl d comment
p rogram
#include <iostream> Allows access to an I/O
library

i n t main ( ) { Starts definition of special
function main()

s t d : : c o u t << " H e l l o World\ n" ;
output (print) a
string
r e t urn 0 ;
} Program returns a status
code (0 means OK)

CS 118 - FALL
2020