- Try it yourself with each example.
- Code Playground / Editor with syntax highlighting and additional keyboard keys that allow you to open
- Tests. Challenge yourself with 325 test items.
- Exercises. Challenge yourself with exercises.
- You can share your test results anywhere.
- You can share your certificate anywhere.
- Totally offline.
- No ads.
Required Android Versions : Lollipop [5.0–5.1.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]