C++ Part 26

Void Functions

A void function performs some action, but does not return a value. For a void function, a function
invocation (function call) is a statement that can be used like any other C++ statement.

Example :

// void function example by NavidPlus.BlogSpot.com #include <iostream> using namespace std; void printmessage () {  cout << "This message is created by NavidPlus!"; } int main () {  printmessage (); }

C++ Part 15

Iteration

while: execute a statement as long as some condition is true

do while: similar to while but check condition after executing the statement.

for: execute a statement on every element of some data, or some fixed number of times.

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while {loop body}

int count = 0 ;
while ( count < 3) { cout << ” Hello ” << count << endl ; count ++; }

Output :

Hello Hello Hello