Java Viewer: Java Editor is a free and powerful tool for developers and code learners alike. It allows users to view and edit the source code of Java files, and even convert them to PDF files. With its language syntax highlighting ability, it makes reading the code easier and more convenient.

The Java file opener supports auto code completion and auto indentation, along with the ability to enable/disable display of line numbers. Additionally, the editor has different themes, each with different language syntax highlighters, and the font size can easily be changed from the settings. The editor also supports undo, redo, find, and replace operations, making editing a breeze.

Java Viewer: Java Editor also has a PDF viewer that allows users to view and print PDF files. All converted files are saved in the app directory and can be viewed within the app. The app also has a find and replace feature that makes it easy to find any word and replace it with another.

Overall, Java Viewer: Java Editor is a must-have tool for any Java developer or code learner. It is a powerful and user-friendly tool that offers a range of features to make editing and viewing Java code more convenient and efficient.