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Built-In Data Types
"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."– Sherlock Holmes, in The Adventure of the Copper Beeches
Everything you do with a computer is managing data. Data comes in many different shapes and flavors. It's the music you listen to, the movies you stream, the PDFs you open. Even the source of the chapter you're reading at this very moment is just a file, which is data.
Data can be simple, whether it is an integer number to represent an age, or complex, like an order placed on a website. It can be about a single object or about a collection of them. Data can even be about data—that is, metadata. This is data that describes the design of other data structures, or data that describes application ...
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