Java™ How To Program (Early Objects), Tenth Edition

14.4.1 StringBuilder Constructors

Class StringBuilder provides four constructors. We demonstrate three of these in Fig. 14.10. Line 8 uses the no-argument StringBuilder constructor to create a StringBuilder with no characters in it and an initial capacity of 16 characters (the default for a StringBuilder). Line 9 uses the StringBuilder constructor that takes an integer argument to create a StringBuilder with no characters in it and the initial capacity specified by the integer argument (i.e., 10). Line 10 uses the StringBuilder constructor that takes a String argument to create a StringBuilder containing the characters in the String argument. The initial capacity is the number of characters in the String argument plus 16.

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