?: (conditional) Control Conditionals Web & Application


int s = 0;
for(int i=5; i<100; i+=5) {
  s = (i < 50) ? 0 : 255;
  stroke(s);
  line(30, i, 80, i);
}

A shortcut for writing an if() and else structure. If the condition evaluates to true, expression1 is evaluated and returned. If the condition evaluates to false, expression2 is evaluated and returned.

The following conditional:

condition : expression1 ? expression2

is equivalent to this structure:

if(condition) {
  expression1 
} else { 
  expression2 
}

condition ? expression1 : expression2 condition any valid expression which evaluates to true or false expression1 any valid expression expression2 any valid expression Variable, dependent on the datatype of the expressions if() else 1.0 Structure PDE Extended