difference between ensureCapacity() setLength() trimToSize()

Before going into the table of ensureCapacity() vs setLength() vs trimToSize(), it is advised to refer the programs at: ensureCapacity() StringBuffer Example setLength() StringBuffer Example trimToSize() StringBuffer Example Following terminology is to be remembered: Length: It is the number of characters present in the buffer (which generally be same or less than the capacity). Capacity: …

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