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For simple concatenation,
For concatenating the new string to the end of the existing string (appending):
For concatenating multiple strings all at once, use join. Join is (according to the Camel book) the most efficient way to concatenate many strings together. Join can be used with a delimiter, or with a null string as the delimiter, so that nothing is inserted between the strings that are joined (concatenated) together.
Join can do a lot more than just simple concatenation. Whatever you put between the quotes will be inserted between the strings that are being joined together. Also, join can accept not just a list of scalar variables, but also an array, or a list of literal strings.
In reply to Re: How do I concatenate a string?
by davido
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