What Is Record Data Type?


Scott Campbell

Records are a powerful and versatile data type in many programming languages. They allow you to define a custom data structure that can hold multiple values of different types. In this article, we will explore what record data types are, how they work, and how they can be used in your programs.

What are Record Data Types?

A record is a composite data type that allows you to group related pieces of information together. It is similar to a struct in C or a class in object-oriented programming languages. A record consists of fields, each of which can hold a value of a specific type.

Record data types provide a way to organize and manipulate complex data structures efficiently. By grouping related fields together, you can represent real-world entities or concepts more effectively in your code.

Defining Record Types

In most programming languages, you can define your own record types using syntax specific to the language. Let’s take a look at an example in JavaScript:

record Person {
  string name;
  int age;
  string address;

In this example, we define a record type called “Person” with three fields: “name”, “age”, and “address”. The field names are followed by their respective types.

Accessing Fields

To access the fields of a record, you use dot notation. For example:

Person john;
john.name = "John Doe";
john.age = 25;
john.address = "123 Main St";

In this code snippet, we create an instance of the “Person” record called “john” and assign values to its fields. We can then access these fields using dot notation, like “john.name” or “john.age”.

Benefits of Using Record Data Types

Record data types offer several benefits:

  • Organization: Records allow you to organize related data into a single entity, making your code more readable and maintainable.
  • Type Safety: With record types, you can enforce type safety by specifying the type of each field. This helps catch errors at compile-time and ensures data integrity.
  • Code Reusability: You can define record types once and reuse them in multiple parts of your program, reducing code duplication.

By leveraging the power of record data types, you can write cleaner and more efficient code that is easier to understand and maintain.


In this article, we explored what record data types are and how they can be used in programming. We learned that records are composite data types that allow you to group related information together.

By defining custom record types, you can organize complex data structures and improve the readability and maintainability of your code. Record data types offer several benefits such as organization, type safety, and code reusability. Incorporating records into your programming toolkit will enhance your ability to represent real-world entities effectively.

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