Java is a powerful programming language that supports multiple platforms. How to create the best Java application that is fast, stable and reliable? This will require not only an experienced developer with excellent programming skills, but also the right Java development environment.
In this review we have collected for you the best Java compiler apps that will allow you to effectively develop applications from your mobile device.
AIDE- IDE for Android Java C++
AIDE is a very stable and useful environment for developing real apps on your Android device.
It has a multifunctional editor and comes with all the necessary functions. For example, automatic code completion, error checking in real-time.
There are also refactoring, intelligent code navigation, Java debugger, and much more.
This application includes interactive lessons with step-by-step instructions. They will help you learn to develop Android applications and Java programming skills.
AIDE fully supports the development of apps with the integration of Java, XML, Android SDK, Android NDK, and C / C ++. Moreover, it even allows you to synchronize files with your Dropbox account.
Downloads: 1 000 000+
Customers rating: 
(3.9 / 5)
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SoloLearn
If you are ready to learn Java without programming experience, SoloLearn is ideal for you.
This application is known for its lesson-oriented learning environment. It has the ability to practice in real-time and great community support.
The application focuses on the basics and helps you learn each concept in the easiest way.
With all the main themes, the SoloLearn application also covers complex concepts.
Such as threads, Hashmap, file handling, and so on. You can pass levels to gain points and compete with other users around the world.
Downloads: 5 000 000+
Customers rating: 
(4.7 / 5)
Hacker’s Keyboard
Hacker’s keyboard is to help all coders and programmers. It has punctuation like a normal keyboard, separate number keys, and arrow keys.
This application will be an excellent assistant for working with Java. You can easily create program codes in it.
It even provides the Tab/Ctrl/Esc keys, which will help you code even from your phone.
This AOSP Gingerbread-based keyboard supports more than 20 languages.
If you use ConnectBot for SSH access, Hacker’s Keyboard is very useful.
Downloads: 5 000 000+
Customers rating: 
(4.1 / 5)
DroidEdit
DroidEdit Pro supports many popular languages, such as C, C ++, C #, Java, HTML, CSS, Javascript, Python, Ruby, Lua, SQL, etc.
Thanks to its capabilities, the DroidEdit Pro comes with several color themes and syntax highlighting.
Here is also available a search, replacement, automatic, and block indent.
Also, the application has a direct run of scripts in SL4A, support for SFTP/FTP, root mode, and much more.
In general, this is a full-fledged text editor for encoders and programmers.
Downloads: 1 000 000+
Customers rating: 
(3.7 / 5)
Dcoder, Compiler IDE
This application supports more than 30 programming languages, has a user-friendly interface.
The main window is a text editor with the ability to select a programming language using a drop-down list.
Here you can also save the code in the memory of the device. Swipe to the right calls the menu, where you can select the section with the tasks.
In this section, the user must perform various tasks. It does not matter in what language they will be implemented. The main thing is the result.
The menu also has a section that allows you to develop a full web page with JavaScript support.
The application has a compilation time limit of 10 seconds. But, for beginner programmers, this will be enough.
Downloads: 1 000 000+
Customers rating: 
(4.3 / 5)
DroidScript
DroidScript is an Android app, which includes an environment for the development and execution of program code.
It allows you to create applications of two types – JavaScript and HTML.
To create a native UI and access to Android resources, JavaScript is used in conjunction with the DroidScript API.
It allows you to work with WebView, SQLite, email, SMS, WebGL, sensors, Web servers, sockets, sprite animation, and much more.
It also allows you to interact with external devices via Bluetooth, WiFi, USB, and LAN.
The impressive functionality of this application is one of the features of the DroidScript. Another feature is the ease of its use. What is it? First of all, in coding.
Everything is encoded in JavaScript without using XML markup and connecting libraries.
In the DroidScript there are no visual interface design tools. But in it, you can install LivePreview on Android for even faster development of interactive prototypes.
It also allows you to expand functionality with the help of plugins written in JavaScript or Java.
The simplicity of working with the DroidScript is not only in coding. It was designed to give beginner developers under Android immerse themselves in this process.
Downloads: 1 000 000+
Customers rating: (4.1 / 5)
Java N-IDE
This application is based on a library specifically designed for microcontrollers.
Here you can quickly write an app on your smartphone and immediately compile, run, and test it. The application can be used as a learning environment.
With the makefile function, you can compile files with the source code of the programs on your phone.
That is, by typing the text of a program in a text editor and designing it accordingly, you can turn it into a complete program.
Besides, you will be able to compile several files with the source code in a single project. Just remember to enter the name of the executable file and choose the type of compilation.
Using the export function, you can output your compilation results as a file with the APK extension and a binary file.
If an Illegal instruction error occurs when using the built-in TCC compiler, you need to download and install the GCC plugin.
Generally, you can contact the developer directly and get full technical support if you find errors and bugs in the app.
Downloads: 1 000 000+
Customers rating: (4.1 / 5)
Java Quiz
Teaching Java programming from scratch in JavaRush developers’ quest format. The course contains 1200 practical tasks and 600 mini-lectures.
This application is built in the format of the game, which consists of 4 quests. Each quest has 10 levels with lectures and tasks.
Imagine that you play a normal game and “pump” your character, and at the same time learn to program.
Writing dozens of lines of code from your phone is not an easy task. So there is a system of hints and auto-substitution, with which you can program faster.
After you write your solution, send it to the test and get the result instantly.
The application has Java tasks for any level of complexity:
- Writing your code
- Correction of ready-made code
- Applied mini-projects and game writing
If you have any difficulties in solving the problem, please contact the help section. The course developers will help you there.
Your progress is saved, so you can return to the course any minute to continue the task or to give a lecture.
Downloads: 10 000+
Customers rating: 
(4.6 / 5)
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AWD – PHP/HTML/CSS/JS IDE
Android Web Developer (AWD) is an integrated development environment for web developers.
It supports the following languages and formats: PHP, CSS, JS, HTML, JSON.
Android Web Developer will turn your tablet into a full-fledged workplace, and the smartphone into a small computer.
Here you can always make changes or fix bugs in your remote projects.
This is a unique application for developing web sites right on your android device. It allows you to create HTML, JS, CSS, PHP files, or edit existing ones.
You can also work with remote projects via FTP, FTPS, SFTP WebDAV in the same way as you work with your local files.
This is an excellent program for those who want to learn how to program.
Downloads: 500 000+
Customers rating: (3.9 / 5)
