Flow Control

if clause:

if(condition) {
 //do something if condition is true
}

if else clause:

if(condition) {
 //do something
}
else {
 //do something else
}

while clause:

while(condition) {
 //do something
 
}

while is used to make loops. an example:

 //sum of array
 float sum;
 sum = 0;
 int i;
 i = 0;
 while(i<10) {
  sum = sum + fArray[i];
  i = i + 1;
 } 
 @"Sum is : "@sum; @"\n";

Note that if the line

i = i + 1;

is removed, the loop would be stuck because i<10 would always result true,

thus resulting into an infinite loop.

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