Break Statement

Sometimes it is necessary to stop the loop within its body. Use the break statement within loops to pass control to the first statement following the innermost switch, for, while, or do block.

Break is commonly used in the switch statements to stop its execution upon the first positive match. For example:

switch (state) {
  case 0: Lo();  break;
  case 1: Mid(); break;
  case 2: Hi();  break;
  default: Message("Invalid state!");
}

Continue Statement

The continue statement within loops is used to “skip the cycle”. It passes control to the end of the innermost enclosing end brace belonging to a looping construct. At that point the loop continuation condition is re-evaluated. This means that continue demands the next iteration if the loop continuation condition is true.

Specifically, the continue statement within the loop will jump to the marked position as it is shown below:

while (..) {
...
if (val>0) continue;
...
// continue jumps here
}

do {
...
if (val>0) continue;
...
// continue jumps here
while (..);

for (..;..;..) {
...
if (val>0) continue;
...
// continue jumps here
}

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