# Encapsulation

Keeping an object's data behind methods that control how it is read or changed.

## What is **Encapsulation** in Java?

**Encapsulation** — Keeping an object's data behind methods that control how it is read or changed.

```java
class Thermostat {
    private int temperature;

    int getTemperature() {
        return temperature;
    }

    void setTemperature(int temperature) {
        this.temperature = temperature;
    }
}
```

Level: Journeyman · [More Java terms at this level](https://www.ask-codey.com/glossary/subjects/java/journeyman)

Updated: September 27, 2026

## In other subjects

- [Encapsulation in C#](https://www.ask-codey.com/glossary/encapsulation-c-sharp)
- [Encapsulation in JavaScript](https://www.ask-codey.com/glossary/encapsulation-javascript)
- [Encapsulation in OOP](https://www.ask-codey.com/glossary/encapsulation-oop)

Source: https://www.ask-codey.com/glossary/encapsulation-java