lab4.md

The while loop

The basics

while (condition) {
  // code
}

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The for loop

Do something n times

Using a while loop

int i = 0;
while (i < n) {
  // code
  i++;
}

Using a for loop

for (int i = 0; i < n; i++) {
  // code
}

A for loop as a while loop

for (;condition;) {
  // code
}

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The do-while loop

Do something, then do it while condition is true

Using a while loop

// code
while (condition) {
  // code
}

We can do better!

do {
  // code
} while (condition);

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The infinite loop

Sometimes we want this:

while (true) {
  // code
}

Sometimes we don't

for (int i = 0; i < n; i++) {
  if (condition)
    i--;  // This could cause an infinite loop!!!
}

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