Which JDK Version (Language Level) is Required for Android Studio?
Understanding JDK and Language Level
Before diving into Android Studio’s JDK requirements, let’s clarify what we mean by JDK and language level:
- JDK (Java Development Kit): It’s a software development kit that provides tools for developing and running Java applications.
- Language Level: This refers to the specific version of the Java programming language that the JDK supports. Each language level introduces new features, improvements, and potentially deprecations.
Recommended JDK for Android Studio
Android Studio officially supports Java 11 as the recommended JDK version.
| Android Studio Version | Recommended JDK |
|---|---|
| Current Stable Release | Java 11 |
Supported Language Levels
While Android Studio primarily recommends Java 11, it also supports other language levels for compatibility:
- Java 8: Supported for legacy projects or if your target Android API level is below 24.
- Java 7: Supported, but not recommended as it lacks essential features and is often deprecated.
How to Set the Language Level
You can configure the language level within Android Studio:
- Go to **File > Project Structure**.
- Select **Modules** from the left pane.
- Choose the module you want to configure (usually the app module).
- Under **Language Level**, select the desired language version from the dropdown menu.
- Click **OK** to apply the changes.
Consequences of Using Incorrect JDK
Using a JDK that doesn’t match the required language level can lead to various problems:
- Compilation errors: The compiler may not understand the syntax or features used in your code.
- Runtime errors: Your application may crash or behave unexpectedly due to incompatible libraries.
- Limited functionality: You may not be able to use the latest Java features.
Conclusion
Choosing the right JDK version is essential for a smooth and efficient Android development experience. While Java 11 is the official recommendation, you can still use older versions if necessary. Remember to always consult the documentation and update your JDK regularly to benefit from new features and performance improvements.