Primitive data refers to basic data types that are built into a programming language, such as integers, floating-point numbers, characters, and booleans. These data types are not composed of other data types.
Think of primitive data as the building blocks of a program. Just like how LEGO bricks come in different shapes and sizes, primitive data types provide the foundation for storing different kinds of information in a program.
Reference Data: Reference data refers to complex data types that are composed of multiple primitive or reference data types. It includes arrays, objects, and strings.
Data Type: A data type is a classification that specifies the type of value that a variable can hold. It determines the operations that can be performed on the variable.
Variable: A variable is a named storage location in memory that holds a value. It is used to store and manipulate different kinds of data in a program.
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