append
append the given Char to this StringBuilder, repeated repeats times.
This function is equivalent to doing sb.append(c.repeat(repeats)), but it uses an already existing StringBuilder.
Throws
when n < 0.
append the given Char to this StringBuilder, repeated repeats times.
This function is equivalent to doing sb.append(c.repeat(repeats)), but it uses an already existing StringBuilder.
when n < 0.