True.
False. string
s are immutable; they cannot be modified after they’re created. StringBuilder
objects can be modified after they’re created.
False. EnsureCapacity
simply ensures that the current capacity is at least the value specified in the method call.
True.
True.
False. StringBuilder
should be used if the string
is to be modified.
False. string
method ToUpper
creates a new string
with all of its letters capitalized.
+
, Append
, Concat
.
AppendFormat
ArgumentOutOfRangeException
.
currency.