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break and continue Statements

These statements are only allowed inside a loop statement body. The break statement exits a loop statement body prematurely. The continue statement skips any remaining code within the loop statement body and jumps back to the top of the loop.

pinMode(2, INPUT);

// Exit loop upon GPIO input high

for (;;)  // Infinite loop
{
  if (digitalRead(2)) break;
}

// Stop an elevator at every floor except unlucky floor 13

for (int Floor = 1; Floor <= 20; Floor++)
{
  if (i == 13) continue;
  StopAt(Floor);
}

Fun Fact: The Otis Elevator Company estimated in 2002 that 85% of buildings taller than 12 stories and containing an Otis elevator do not have a 13th floor.

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