Concatenation combines different parts of an expression using the $ operator.

Name: Concatenation combines different parts of an expression using the $ operator.
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Concatenation combines different parts of an expression, but it typically uses operators like "+" in many programming languages, not the "$" operator. The "$" operator is often associated with string interpolation or variable reference in languages like PHP or in shell scripts, not with concatenation.

Concatenation Combines Different Parts of an Expression Using the