Notice: This Wiki is now read only and edits are no longer possible. Please see: https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/wikis/Wiki-shutdown-plan for the plan.
Java9/Examples
This is an informal page listing out examples of features that are implemented for Java 9. You are welcome to try out these examples. If bugs are found please check [here] for duplicates first and if not found, please file a bug.
Sub Feature | Feature Title / Try It Out Steps | Expected Result |
---|---|---|
Java 9 JRE Support | ||
Add Java 9 | Use Eclipse Preferences -> Java -> Installed JREs -> Add | Java 9 JRE recognized as a valid JRE |
Project JRE | In Package Explorer Use Project Context Menu and add Java 9 JRE | JRE specific (eg Object) gets resolved in the project. |
Package Explorer | Go to Package Explorer and expand the Java 9 JRE | Modules (eg java.base etc) are listed in the package explorer view |
Module Creation | ||
Manual | Context Menu of src -> New -> File - give the module-info.java as name | no compiler errors |
Automatic | Context Menu of Project -> Cofigure -> Create module-info. | A default module-info.java with all packages exported should be created |
Completion in module-info.java file | ||
Keyword Completion | In a module-info.java file, after module module_name {, press completion key (for eg, ctrl+space in windows) | keywords exports, opens, requires, provides and uses shown |
Keyword Completion - 2 | after exports packagename, or opens packagename press completion key | keyword to is shown as an option |
Package Completion | after exports, opens, provides or uses, press completion key | package completion shown. |
Type Reference Completion | after exports, opens, provides or uses, or optionally after a dot after a package, ie exports packagename. press completion key | Type completion shown. |
Implementation TypeRef Completion | after provides Typename with press completion key | Type completion shown and these typereferences are implmentations of the type given before with. |
Search in module-info.java file | ||
Keyword Completion | In a module-info.java file, after module module_name {, press completion key (for eg, ctrl+space in windows) | keywords exports, opens, requires, provides and uses shown |
Keyword Completion - 2 | after exports packagename, or opens packagename press completion key | keyword to is shown as an option |
Package Completion | after exports, opens, provides or uses, press completion key | package completion shown. |
Type Reference Completion | after exports, opens, provides or uses, or optionally after a dot after a package, ie exports packagename. press completion key | Type completion shown. |
Implementation TypeRef Completion | after provides Typename with press completion key | Type completion shown and these typereferences are implmentations of the type given before with. |