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What are different Perl Data Types?
Perl is a loosely typed language and there is no need to specify a type for your data while using it in your program. The Perl interpreter will choose the type based on the context of the data itself.
Perl has three basic data types: scalars, arrays of scalars, and hashes of scalars, also known as associative arrays. Here is a little detail about these data types.
| Sr.No. | Types & Description |
|---|---|
| 1 | Scalar Scalars are simple variables. They are preceded by a dollar sign ($). A scalar is either a number, a string, or a reference. A reference is actually an address of a variable, which we will see in the upcoming chapters. |
| 2 | Arrays Arrays are ordered lists of scalars that you access with a numeric index, which starts with 0. They are preceded by an "at" sign (@). |
| 3 | Hashes Hashes are unordered sets of key/value pairs that you access using the keys as subscripts. They are preceded by a percent sign (%). |
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