Java Dump is a free android application that contains many java programs with output.
Some important feature of this app is

1) Ad free - Contains no advertisements.

2) Offline - Doesn't need internet connection.

3) Lightweight - Size of this application is just 2 Mb.

5) Easy Readable - Codes are highlighted to improve readability.

6) Copy Share - Share respective programs on go.

7) Organized - Codes are organized into separate categories.

8) Night Mode - Night Mode option is available for eye strain free reading.

9) Simple UI - User interface is made simpler for easy handling.

10) Request program - You can contact and request any program to developer.