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Difference between revisions of "Java10/Examples"
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This is an informal page listing examples of features that are implemented by the [https://marketplace.eclipse.org/content/java-10-support-oxygen Java 10 Support for Oxygen]. You are welcome to try out these examples. If you find bugs, please file a bug after checking for a duplicate entry [https://bugs.eclipse.org/bugs/buglist.cgi?cmdtype=dorem&list_id=17341573&namedcmd=J10.Open&remaction=run&sharer_id=152344 here]. | This is an informal page listing examples of features that are implemented by the [https://marketplace.eclipse.org/content/java-10-support-oxygen Java 10 Support for Oxygen]. You are welcome to try out these examples. If you find bugs, please file a bug after checking for a duplicate entry [https://bugs.eclipse.org/bugs/buglist.cgi?cmdtype=dorem&list_id=17341573&namedcmd=J10.Open&remaction=run&sharer_id=152344 here]. | ||
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! scope="row" | Add Java 10 JRE | ! scope="row" | Add Java 10 JRE | ||
− | | Use | + | | Use Window -> Preferences-> Java -> Installed JREs -> Add... <br> |
+ | <br> | ||
[[File:FileAddJ10.jpg]] | [[File:FileAddJ10.jpg]] | ||
+ | <br> | ||
+ | [note: Eclipse -> Preferences in Mac / Window -> Preferences in Windows] | ||
| Java 10 JRE recognized as a valid JRE | | Java 10 JRE recognized as a valid JRE | ||
|- | |- | ||
! scope="row" | Project JRE | ! scope="row" | Project JRE | ||
− | | In Package Explorer Use | + | | In Package Explorer Use project's context menu and add Java 10 JRE || JRE specific (eg Object) gets resolved in the project. |
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! scope="row" | Package Explorer | ! scope="row" | Package Explorer | ||
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<br> | <br> | ||
[[File:var.compile.jpg]] | [[File:var.compile.jpg]] | ||
− | | | + | | Code compiles |
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! scope="row" | Compiler Error Cases | ! scope="row" | Compiler Error Cases | ||
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} | } | ||
</source> | </source> | ||
− | | | + | | Compiler errors are shown |
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− | ! colspan="3" | | + | ! colspan="3" | Essential Utilities: Code Completion, Hover and Quick Fix. |
|- | |- | ||
! scope="row" | Basic context based var completion | ! scope="row" | Basic context based var completion | ||
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</source> | </source> | ||
[[File:var.complete.jpg]] | [[File:var.complete.jpg]] | ||
− | | | + | | Completes var since the place is appropriate |
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− | ! scope="row" | | + | ! scope="row" | Negative Case - no completion |
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<br> | <br> | ||
<source lang="java"> | <source lang="java"> | ||
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} | } | ||
</source> | </source> | ||
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[[File:var.nocomplete.jpg]] | [[File:var.nocomplete.jpg]] | ||
− | | | + | | Does not offer 'var' as completion |
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− | + | ! scope="row" | Hover | |
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− | ! scope="row" | | + | Hover over var to see the javadoc of the associated type (in this case : String) being displayed. |
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<source lang="java"> | <source lang="java"> | ||
− | package | + | package packvar; |
− | + | public class VarComplete { | |
− | + | public static void main(String[] args) { | |
− | + | String s = new String("hello"); | |
− | public class | + | var x = s; |
− | + | System.out.println(x); | |
− | + | } | |
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} | } | ||
</source> | </source> | ||
− | + | <br> | |
+ | [[File:var.hover.jpg]] | ||
+ | | Shows javadoc of the type associated with var | ||
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− | ! scope="row" | | + | ! scope="row" | Quick Assist : var to type |
− | | | + | | |
− | + | <br> | |
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<source lang="java"> | <source lang="java"> | ||
− | public class | + | package packvar; |
− | + | public class VarComplete { | |
− | + | public static void main(String[] args) { | |
− | + | String s = new String("hello"); | |
− | + | var x = s; | |
+ | System.out.println(x); | ||
+ | } | ||
} | } | ||
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</source> | </source> | ||
− | + | <br> | |
− | | | + | [[File:var.vartotype.jpg]] |
+ | | Provides option to change from var to type | ||
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− | ! scope="row" | | + | ! scope="row" | Quick Assist: type to var |
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<source lang="java"> | <source lang="java"> | ||
− | public | + | package packvar; |
− | + | public class VarComplete { | |
− | + | public static void main(String[] args) { | |
− | + | String s = new String("hello"); | |
− | + | String x = s; | |
− | + | System.out.println(x); | |
− | + | } | |
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} | } | ||
</source> | </source> | ||
− | + | <br> | |
+ | [[File:var.typetovar.jpg]] | ||
+ | | Provides option to change from type to var | ||
|- | |- | ||
− | ! colspan="3" | | + | ! colspan="3" | More to come in Java 11 ! |
|} | |} |
Latest revision as of 00:31, 28 March 2018
This is an informal page listing examples of features that are implemented by the Java 10 Support for Oxygen. You are welcome to try out these examples. If you find bugs, please file a bug after checking for a duplicate entry here.