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| <title>Eclipse Project 4.25 - New and Noteworthy</title> |
| </head> |
| |
| <body> |
| <h2>Java development tools</h2> |
| <ul> |
| <li><a href="#Java19">Java™ 19 Support</a></li> |
| <li><a href="#JUnit">JUnit</a></li> |
| <li><a href="#JavaEditor">Java Editor</a></li> |
| <!--<li><a href="#JavaViewsAndDialogs">Java Views and Dialogs</a></li>--> |
| <!--<li><a href="#JavaFormatter">Java Formatter</a></li>--> |
| <li><a href="#Debug">Debug</a></li> |
| <!--<li><a href="#JDTDev">JDT Developers</a></li>--> |
| </ul> |
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| <!-- ****************** START OF N&N TABLE ****************** --> |
| <table class="news"> |
| <colgroup> |
| <col class="title" /> |
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| |
| <!-- ******************* Java 19 Support ************************************* --> |
| <tr> |
| <td id="Java19" class="section" colspan="2"> |
| <h2>Java™ 19 Support </h2> |
| </td> |
| </tr> |
| <tr id="Java_19"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=575752 --> |
| <td class="title">Java 19</td> |
| <td class="content"> |
| <a href="http://jdk.java.net/19/">Java 19</a> is out and Eclipse JDT supports Java 19 in 4.25 via |
| <a href="https://marketplace.eclipse.org/content/java-19-support-eclipse-2022-09-425/"> Marketplace</a>. |
| <p></p> |
| <p> |
| The release notably includes the following Java 19 features: |
| <br/> |
| <a href="https://openjdk.java.net/jeps/405"> JEP 405: Record Patterns (Preview)</a>. |
| <br/> |
| <a href="https://openjdk.java.net/jeps/427"> JEP 427: Pattern Matching for Switch (Third Preview)</a>. |
| <br/> |
| <a href="https://openjdk.java.net/jeps/425"> JEP 425: Virtual Threads (Preview)</a>. |
| <br/> |
| <a href="https://openjdk.java.net/jeps/428"> JEP 428: Structured Concurrency (Incubator)</a>. |
| </p> |
| <p> |
| Please note that preview option should be on for <a href="http://openjdk.java.net/projects/jdk/19/"> preview language features</a>. |
| For an informal introduction of the support, |
| please refer to <a href="https://wiki.eclipse.org/Java19/Examples"> Java 19 Examples wiki</a>. |
| </p> |
| </td> |
| </tr> |
| <!-- ******************* End of Java 19 Support ************************************* --> |
| |
| <!-- ******************* JUnit ************************************* --> |
| <tr> |
| <td id="JUnit" class="section" colspan="2"> |
| <h2>JUnit</h2> |
| </td> |
| </tr> |
| |
| <tr id="junit5-test-suite-wizard-support"> <!-- https://github.com/eclipse-jdt/eclipse.jdt.ui/pull/168 --> |
| <td class="title"><a href="#junit5-test-suite-wizard-support">Test Suite wizard supports JUnit 5</a></td> |
| <td class="content"> |
| The <b>New JUnit Test Suite Wizard</b> has been enhanced to now allow the creation of a JUnit 5 test suite using the <b>@Suite</b> annotation. |
| To open the <b>New JUnit Test Suite Wizard</b> for the current package, go to <b>New > Other > Java > JUnit > JUnit Test Suite</b>. |
| |
| <p> |
| The following shows what the wizard now looks like: |
| </p> |
| <p><img src="images/test-suite-wizard-junit5.png" alt="Test Suite Wizard"/></p> |
| <p> |
| The result of this is: |
| </p> |
| <p><img src="images/test-suite-wizard-result.png" alt="JUnit 5 Test Suite"/></p> |
| </td> |
| </tr> |
| |
| <!-- ******************* End of JUnit ************************************* --> |
| |
| <!-- ******************* Java Editor ************************************* --> |
| <tr> |
| <td id="JavaEditor" class="section" colspan="2"> |
| <h2>Java Editor </h2> |
| </td> |
| </tr> |
| |
| <tr id="while-to-enhanced-for"> <!-- https://github.com/eclipse-jdt/eclipse.jdt.ui/pull/55 --> |
| <td class="title"><a href="#while-to-enhanced-for">Convert while loops to enhanced for loops</a></td> |
| <td class="content"> |
| The clean-up to convert to enhanced 'for' loops where possible has been enhanced to convert eligible while statements that use an iterator into enhanced for loops. |
| The current clean-up already supports converting 'for' loops using an iterator into an enhanced 'for' loop. |
| <p> |
| To apply the cleanup, select the Java 5 <b>Convert to enhanced 'for' loops</b> checkbox on the <b>Java Feature</b> tab in your cleanup profile. |
| </p> |
| <p> |
| With the cleanup, the following: |
| </p> |
| <p><img src="images/while-to-for-before.png" alt="Before"/></p> |
| <p> |
| Is changed to: |
| </p> |
| <p><img src="images/while-to-for-after.png" alt="After"/></p> |
| <p>The secondary option: <b>Only if loop variable used</b> applies as normal with loops that do not access the loop variable being ignored. |
| </p> |
| </td> |
| </tr> |
| |
| <tr id="convert-to-switch-expression"> <!-- https://github.com/eclipse-jdt/eclipse.jdt.ui/pull/106 --> |
| <td class="title"><a href="#convert-to-switch-expression">Convert to switch expression</a></td> |
| <td class="content"> |
| The clean-up to convert to a switch expression where possible has been enhanced to recognize switch statements that have every case either end in a return statement or a throw of an exception. |
| In such a case the switch statement is converted into a return of a switch expression. |
| <p> |
| To apply the cleanup, select the Java 14 <b>Convert to switch expression where possible</b> checkbox on the <b>Java Feature</b> tab in your cleanup profile. |
| </p> |
| <p> |
| With the cleanup, the following: |
| </p> |
| <p><img src="images/convert-to-switch-expression-before.png" alt="Before"/></p> |
| <p> |
| is changed to: |
| </p> |
| <p><img src="images/convert-to-switch-expression-after.png" alt="After"/></p> |
| </td> |
| </tr> |
| |
| <!-- ******************* End of Java Editor ************************************* --> |
| |
| <!-- *********************** Debug ******************************** --> |
| <tr> |
| <td id="Debug" class="section" colspan="2"> |
| <h2>Debug</h2> |
| </td> |
| </tr> |
| |
| <tr id="doubleclick-in-debug-popups"> <!-- https://github.com/eclipse-jdt/eclipse.jdt.ui/pull/85 --> |
| <td class="title"><a href="#doubleclick-in-debug-popups">Double click in "All References and "All Instances" pop-up to navigate to Type</a></td> |
| <td class="content"> |
| Previously, clicking on any of the shown items in the "All References" and "All Instances" popup wasn't acted upon. |
| This is now improved - if the selected variable or field type's source code is available, the editor tries to open it, and navigate to the declaration. |
| <p><img src="images/all-references-popup.png" alt="Popup"/></p> |
| </td> |
| </tr> |
| |
| <!--************************ End of Debug ******************************** --> |
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