// Conditional 'if..else' block.
if (ConditionA:Boolean)
{
    // Do this if ConditionA is true.
}
else if (ConditionB:Boolean)
{
    // Do this if ConditionB is true.
}
else
{
    // Do this if both ConditionA and ConditionB are false.
}

// The 'for' loop.
for (ExpressionA; ConditionA:Boolean; ExpressionB)
{
    // Do the loop while ConditionA is true.
    // Will not run if ConditionA is initially false.
}

// The 'while' loop.
while (ConditionA:Boolean)
{
    // Do the loop while ConditionA is true.
    // Will not run if ConditionA is initially false.
}

// The 'do..while' loop.
do
{
    // Do the loop while ConditionA is true.
    // Will run once even if ConditionA is initially false,
    // because the condition is checked at the end of the loop.
}
while (ConditionA:Boolean);