Non-Primitive Data Types

String name = "Jai Sai Ram";

public class Main {

  public static void main(String[] args) {

    String name = "Jai Sai Ram";

    int[] numbers = {10, 20, 30};

    System.out.println(name);
    System.out.println(numbers[0]);

  }
}

• 1 They store references to objects.
• 2 Also called reference data types.
• 3 Can store multiple values and methods.
• 4 Created by Java libraries or programmers.

• 1 String stores text values.
• 2 Strings use double quotes.
• 3 String is a built-in Java class.
• 4 Provides many useful methods.

• 1 Arrays store multiple values.
• 2 Elements are accessed using indexes.
• 3 Arrays have fixed size.
• 4 Useful for managing grouped data.

• 1 Classes act as blueprints.
• 2 Objects are instances of classes.
• 3 Objects store data and methods.
• 4 Core concept of Object-Oriented Programming.

• 1 Primitive types store direct values.
• 2 Non-primitive types store references.
• 3 Primitive types are predefined.
• 4 Non-primitive types support methods and objects.

• 1 Essential for real-world applications.
• 2 Support Object-Oriented Programming.
• 3 Allow complex data handling.
• 4 Used heavily in modern Java development.