Can Structure Used as Data Type?


Angela Bailey

Can Structure Be Used as a Data Type?

When it comes to programming, data types are a fundamental concept. They define the kind of data that can be stored and manipulated within a program.

While most programming languages provide built-in data types like integers, floats, and strings, some languages also allow users to define their own custom data types. One such custom data type is called a structure.

What is a Structure?

A structure is a user-defined data type in many programming languages that allows you to combine different types of variables under a single name. It is particularly useful when you want to group related pieces of information together.

To define a structure, you use the struct keyword. Within the structure definition, you can declare variables of different types that represent the various attributes or properties of the structure.

Defining and Using Structures

To demonstrate how structures work, let’s consider an example where we want to store information about students:

struct Student {
    char name[50];
    int age;
    float gpa;

In this example, we define a structure called “Student” that consists of three variables: name, age, and gpa. The name variable is an array of characters that can store up to 50 characters (representing the student’s name). The age variable is an integer representing the student’s age, while the gpa variable is a float representing their grade point average.

To use this structure, we can then declare variables of type “Student” and assign values to their attributes:

struct Student s1;
strcpy(, "John Doe");
s1.age = 20;
s1.gpa = 3.5;

In the above code, we declare a variable s1 of type “Student” and assign values to its attributes using the dot (.) operator.

Working with Structures

Once you have declared and initialized a structure variable, you can access its attributes using the dot (. For example:

printf("Name: %s\n",;
printf("Age: %d\n", s1.age);
printf("GPA: %.2f\n", s1.gpa);

The above code will output the name, age, and GPA of the student stored in the s1 variable.

Structures can also be used as elements within arrays or as arguments to functions. This allows you to work with multiple instances of the same structure or pass structures between different parts of your program.


In conclusion, structures are a powerful feature in programming languages that allow you to define custom data types by combining different variables under a single name. They provide a way to organize related information and make your code more modular and readable.

By using structures, you can create complex data structures that represent real-world entities or abstract concepts in your programs. This flexibility makes structures an essential tool for any programmer looking to organize and manage data effectively.

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