1, different names
Ideaiu refers to IntelliJ IDEA Ultimate.
Ideaic refers to the IntelliJ IDEA community.
2. Different functions
IDEAIU, the full name of IntelliJ IDEAIU, is an integrated environment for java language development. IntelliJ is recognized as one of the best java development tools in the industry. Its main functions are: intelligent code assistant, automatic code prompt, refactoring and J2EE support.
The main functions of ideaic are: Ant, JUnit, CVS integration, code review and GUI design.
3. Different versions
Ideaiu is the final version (commercial version) of idea, and it is paid.
IDEAic is a community version of Idea, which can be used for free.
Extended data:
IDEAIU advocates intelligent coding and reduces the work of programmers. IdeaIU has the following characteristics:
1, intelligent selection
Many times, we want to choose a certain method, or a certain period, or we want to gradually expand the selection from a variable to the whole class. IDEA provides this grammar-based choice. By default, Ctrl+W can expand the selection range, which is especially convenient for refactoring.
2. Rich navigation modes
IDEA provides rich navigation and viewing modes, such as Ctrl+E to display the recently opened files, and Ctrl+N to display the class name search box you want to display (this box also has intelligent supplementary function, and when you enter letters, IDEA will display all the candidate class names). In the most basic project view, you can also choose a variety of views.
3. Historical record function
Without going through the version management server, a simple idea can view the history of any project file, and it can be easily restored when the version is restored.
4. Perfect support from JUnit
5. Super refactoring support: IDEA is the earliest one of all IDE, and its excellent refactoring ability has always been one of its main selling points.
6. Coding help
7. Flexible typesetting function
Basically, all ide has typesetting function, only IDEA is human, because it supports the customization of typesetting method, and you can adopt different typesetting methods according to different project requirements.
Baidu encyclopedia -IntelliJ concept