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3Data Types

Data types are the foundation of programming — they define what kind of values a variable can hold and what operations can be performed on them.

  • Writing correct and efficient code

  • Avoiding bugs (e.g., trying to add a string to an integer) and possible crashes

  • Optimizing memory and performance

  • Critical for certain industries or businesses (Finance, Handling Money, Hospitals etc.)

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Numeric Types

  • int myNumber = 10; | Whole Numbers

  • float Sum = 13.37; | Decimal Numbers

  • char text = "D"; | Characters

  • char text[] = "Hello"; | Strings

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