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Used to sum two numbers or perform string concatenation.
result = expression1 + expression2
result
Any variable.
expression1
Any expression.
expression2
Any expression.
The underlying subtype of the expressions determines the behavior of the + operator.
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If |
Then |
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Both expressions are numeric or Boolean |
Add |
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Both expressions are strings |
Concatenate |
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One expression is numeric and the other is a string |
Concatenate |
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Legal Notice.