While loop in C++





Similar to for Loop, while statement creates a loop that repeats until the test expression becomes false.

Syntax

intialization;
while(condition)
  { 
    body; 
    updation; 
  }                 

while Flow Diagram


Example:

WAP to print hello 5 times using while.
#include< iostream >
using namespace std;
int main( ) {
 int i=1;
 while(i<=5)  {
   cout<< i<<". Hello"<< endl;
   i++;
 }
 return 0;
}
OUTPUT:
1. Hello
2. Hello
3. Hello
4. Hello
5. Hello

Next topic is do-while loop





 







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