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 <title>Eclipse Project 4.24 - New and Noteworthy</title>
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 <body>
 <h2>Java development tools</h2>
 <ul>
 	<!--<li><a href="#JavaXX">Java&trade; XX Support</a></li>-->
 	<li><a href="#Java18">Java 18 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>

 <!-- ****************** START OF N&N TABLE ****************** -->
 <table class="news">
 <colgroup>
   <col class="title" />
   <col />
 </colgroup>
 <tbody>
 <!-- ******************* Java 18 Support ************************************* -->
   <tr>
     <td id="Java18" class="section" colspan="2">
     <h2>Java&trade; 18 Support </h2></td>
   </tr>
    <tr id="Java_18"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=570733 -->
       <td class="title">Java 18</td>
       <td class="content">
           <a href="https://jdk.java.net/18/">Java 18</a> is out and Eclipse JDT supports Java 18 in 4.24.
           <p></p>
           <p>
           The release notably includes the following Java 18 features:
            <br/>
            <a href="https://openjdk.java.net/jeps/420"> JEP 420: Pattern Matching for switch (Second Preview)</a>.
            <br/>
            <a href="https://openjdk.java.net/jeps/413"> JEP 413: Code Snippets in Java API Documentation</a>.
            </p>
            <p>
            Please note that preview option should be on for <a href="https://openjdk.java.net/projects/jdk/18/">preview language features</a>.
            For an informal introduction of the support,
            please refer to <a href="https://wiki.eclipse.org/Java18/Examples">Java 18 Examples wiki</a>.
            </p>
       </td>
   </tr>
   <!-- ******************* End of Java 18 Support ************************************* -->


   <!-- ******************* JUnit ************************************* -->
   <tr>
     <td id="JUnit" class="section" colspan="2">
     <h2>JUnit</h2>
     </td>
   </tr>
   <tr id="junit5-rerun-failures-first"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=578747 -->
     <td class="title"><a href="#junit5-rerun-failures-first">JUnit 5 'Rerun failures first' support</a></td>
     <td class="content">
       Support for rerunning a test with failures first from the <b>JUnit View</b> is now supported for JUnit 5 tests.  This support already existed for JUnit4 tests but was previously disabled for JUnit5 testing.
       <p>
         To run, click on the <b>Rerun Test - Failures First</b> button in the JUnit view.</p>
       <p><img src="images/run-failures-first-before.png" alt="Before"/></p>
       <p>
         After pressing the button:
       </p>
       <p><img src="images/run-failures-first-after.png" alt="After"/></p>
     </td>
   </tr>
   <!-- ******************* End of JUnit ************************************* -->

   <!-- ******************* Java Editor ************************************* -->
   <tr>
     <td id="JavaEditor" class="section" colspan="2">
     <h2>Java Editor </h2>
     </td>
   </tr>

   <tr id="strconcat-to-textblock"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=561484 -->
     <td class="title"><a href="#strconcat-to-textblock">Remove unused private method parameters</a></td>
     <td class="content">
       A new <b>cleanup</b> and <b>quick-assist</b> has been added to remove unused parameters of private methods. If removing parameters might
       lead to a conflict with an another method, the private method is renamed to be unique. The cleanup is not available if there
       is a method reference to the method, as in <code>stream.filter(MyClass::foo)</code>
       <p>
         To apply the cleanup, select the <b>Remove unused private method parameters</b> checkbox on the <b>Unnecessary Code</b> tab in your cleanup profile:</p>
       <p><img src="images/remove_param_1.png" alt="Preference"/></p>
       <p>
         With the cleanup, the following code:
       </p>
       <p><img src="images/remove_param_2.png" alt="Before"/></p>
       <p>
         changes to:
       </p>
       <p><img src="images/remove_param_3.png" alt="After"/></p>
       <p>To remove a single parameter, a quick-assist has been added that can be activated with <b>CTRL+1</b> with the cursor located anywhere on the parameter.
       </p>
     </td>
     </tr>

     <tr id="extend_interface_assist"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=567666 -->
         <td class="title"><a href="#extend_interface_assist">Extend Interface</a></td>
         <td class="content">
             A new <b>quick-assist</b> has been added to extend an Interface. When selected, the new Interface wizard opens up.
         <p><img src="images/extend_interface_assist.png" alt="Before" /></p>
         </td>
     </tr>

   <tr id="extend-system-properties"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=571823 -->
     <td class="title"><a href="#extend-system-properties">Extend Replace System.getProperty() calls clean up</a></td>
     <td class="content">
       The existing clean up has been extended to replace more <code>System.getProperty()</code> calls with suitable Java method calls instead.
       The previous <b>Boolean type property</b> option has been renamed to <b>Boxed type property</b> and now handles Boolean, Integer, and Long.
       To specify, select the <b>Replace sytem property with constant</b> option and the sub-option: <b>Boxed type property</b> on the <b>Java Feature</b> page of your cleanup profile.
       <p>
       <img src="images/systemproperty-option.png" alt="Options"/>
       </p>
       <p>
         For the given code:
       </p>
       <p><img src="images/systemproperty-before.png" alt="Before"/></p>
       <p>
         One gets:
       </p>
       <p><img src="images/systemproperty-after.png" alt="After"/></p>
     </td>
   </tr>

     <tr id="create_sub_type_for_sealed_type"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=577317 -->
         <td class="title"><a href="#create_sub_type_for_sealed_type">Create sub type for sealed super type</a></td>
         <td class="content">
             A new set of <b>quick-fixes</b> has been added to create sub-type for a sealed type which does not have any permitted types. When selected, the appropriate new <b>Class/Record/Interface wizard</b> opens up.
             <p>These quick fixes have been added to fix the error :
             <code>Sealed class or interface lacks the permits clause and no class or interface from the same compilation unit declares Cls1 as its direct superclass or superinterface</code></p>
         <p>As shown below, two new quick fixes have been added to create sub-type for a sealed super class.</p>
         <p><img src="images/permitted_sub_class.png" alt="Before" /></p>
         <p>As shown below, six new quick fixes have been added to create sub-type for a sealed super interface.</p>
         <p><img src="images/permitted_sub_type.png" alt="Before" /></p>
         </td>
     </tr>
 <!-- ******************* End of Java Editor ************************************* -->

   <!-- ******************* Java Views and Dialogs ************************************* -->
   <!--
   <tr>
     <td id="JavaViewsAndDialogs" class="section" colspan="2">
     <h2>Java Views and Dialogs</h2>
     </td>
   </tr>
   -->
   <!-- ******************* End of Java Views and Dialogs ************************************* -->

   <!-- ******************* Java Compiler ************************************* -->
   <!--
   <tr>
     <td id="JavaCompiler" class="section" colspan="2">
     <h2>Java Compiler</h2>
     </td>
   </tr>
   -->
   <!-- ******************* End of Java Compiler ************************************* -->

   <!-- ******************* Java Formatter ************************************* -->
   <!--
   <tr>
     <td id="JavaFormatter" class="section" colspan="2">
     <h2>Java Formatter </h2>
     </td>
   </tr>
   -->
   <!-- ******************* End of Java Formatter ************************************* -->

   <!-- *********************** Debug ******************************** -->
   <tr>
     <td id="Debug" class="section" colspan="2">
     <h2>Debug</h2>
     </td>
   </tr>

   <tr id="debug-stack"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=547041 -->
     <td class="title"><a href="#debug-stack">Console support for stack from Debug view</a></td>
     <td class="content">
       Surprisingly enough, <b>Java Stack Trace Console</b> never supported navigation to
       Java types for Java stack traces copied from <b>Debug</b> view via <b>Copy Stack</b> action.
       <p>
        Now, the console will underline type names and line numbers and clicking on
        links will jump to the corresponding source code. If the type name is not unique,
        default <b>Select type</b> dialog will appear to allow selection of the right type.
       </p>
       <p><img src="images/java_stack_console.png" alt="Console shows links to Java types"/></p>
     </td>
   </tr>
   <!--************************ End of Debug ******************************** -->

   <!-- *********************** JDT Developers ******************************** -->
   <!--
   <tr>
     <td id="JDTDev" class="section" colspan="2">
     <h2>JDT Developers</h2>
     </td>
   </tr>
   -->
   <!-- *********************** End of JDT Developers ******************************** -->
   <tr><td colspan="2"/></tr>
 </tbody>
 </table>
 <!-- ****************** END OF N&N TABLE ****************** -->

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	<title>Eclipse Project 4.24 - New and Noteworthy</title>
	</head>

	<body>
	<h2>Java development tools</h2>
	<ul>
	<!--<li><a href="#JavaXX">Java™ XX Support</a></li>-->
	<li><a href="#Java18">Java 18 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>

	<!-- **************** START OF N&N TABLE **************** -->
	<table class="news">
	<colgroup>
	<col class="title" />
	<col />
	</colgroup>
	<tbody>
	<!-- ***************** Java 18 Support *********************************** -->
	<tr>
	<td id="Java18" class="section" colspan="2">
	<h2>Java™ 18 Support </h2></td>
	</tr>
	<tr id="Java_18"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=570733 -->
	<td class="title">Java 18</td>
	<td class="content">
	<a href="https://jdk.java.net/18/">Java 18</a> is out and Eclipse JDT supports Java 18 in 4.24.
	<p></p>
	<p>
	The release notably includes the following Java 18 features:
	<br/>
	<a href="https://openjdk.java.net/jeps/420"> JEP 420: Pattern Matching for switch (Second Preview)</a>.
	<br/>
	<a href="https://openjdk.java.net/jeps/413"> JEP 413: Code Snippets in Java API Documentation</a>.
	</p>
	<p>
	Please note that preview option should be on for <a href="https://openjdk.java.net/projects/jdk/18/">preview language features</a>.
	For an informal introduction of the support,
	please refer to <a href="https://wiki.eclipse.org/Java18/Examples">Java 18 Examples wiki</a>.
	</p>
	</td>
	</tr>
	<!-- ***************** End of Java 18 Support *********************************** -->


	<!-- ***************** JUnit *********************************** -->
	<tr>
	<td id="JUnit" class="section" colspan="2">
	<h2>JUnit</h2>
	</td>
	</tr>
	<tr id="junit5-rerun-failures-first"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=578747 -->
	<td class="title"><a href="#junit5-rerun-failures-first">JUnit 5 'Rerun failures first' support</a></td>
	<td class="content">
	Support for rerunning a test with failures first from the <b>JUnit View</b> is now supported for JUnit 5 tests. This support already existed for JUnit4 tests but was previously disabled for JUnit5 testing.
	<p>
	To run, click on the <b>Rerun Test - Failures First</b> button in the JUnit view.</p>
	<p><img src="images/run-failures-first-before.png" alt="Before"/></p>
	<p>
	After pressing the button:
	</p>
	<p><img src="images/run-failures-first-after.png" alt="After"/></p>
	</td>
	</tr>
	<!-- ***************** End of JUnit *********************************** -->

	<!-- ***************** Java Editor *********************************** -->
	<tr>
	<td id="JavaEditor" class="section" colspan="2">
	<h2>Java Editor </h2>
	</td>
	</tr>

	<tr id="strconcat-to-textblock"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=561484 -->
	<td class="title"><a href="#strconcat-to-textblock">Remove unused private method parameters</a></td>
	<td class="content">
	A new <b>cleanup</b> and <b>quick-assist</b> has been added to remove unused parameters of private methods. If removing parameters might
	lead to a conflict with an another method, the private method is renamed to be unique. The cleanup is not available if there
	is a method reference to the method, as in <code>stream.filter(MyClass::foo)</code>
	<p>
	To apply the cleanup, select the <b>Remove unused private method parameters</b> checkbox on the <b>Unnecessary Code</b> tab in your cleanup profile:</p>
	<p><img src="images/remove_param_1.png" alt="Preference"/></p>
	<p>
	With the cleanup, the following code:
	</p>
	<p><img src="images/remove_param_2.png" alt="Before"/></p>
	<p>
	changes to:
	</p>
	<p><img src="images/remove_param_3.png" alt="After"/></p>
	<p>To remove a single parameter, a quick-assist has been added that can be activated with <b>CTRL+1</b> with the cursor located anywhere on the parameter.
	</p>
	</td>
	</tr>

	<tr id="extend_interface_assist"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=567666 -->
	<td class="title"><a href="#extend_interface_assist">Extend Interface</a></td>
	<td class="content">
	A new <b>quick-assist</b> has been added to extend an Interface. When selected, the new Interface wizard opens up.
	<p><img src="images/extend_interface_assist.png" alt="Before" /></p>
	</td>
	</tr>

	<tr id="extend-system-properties"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=571823 -->
	<td class="title"><a href="#extend-system-properties">Extend Replace System.getProperty() calls clean up</a></td>
	<td class="content">
	The existing clean up has been extended to replace more <code>System.getProperty()</code> calls with suitable Java method calls instead.
	The previous <b>Boolean type property</b> option has been renamed to <b>Boxed type property</b> and now handles Boolean, Integer, and Long.
	To specify, select the <b>Replace sytem property with constant</b> option and the sub-option: <b>Boxed type property</b> on the <b>Java Feature</b> page of your cleanup profile.
	<p>
	<img src="images/systemproperty-option.png" alt="Options"/>
	</p>
	<p>
	For the given code:
	</p>
	<p><img src="images/systemproperty-before.png" alt="Before"/></p>
	<p>
	One gets:
	</p>
	<p><img src="images/systemproperty-after.png" alt="After"/></p>
	</td>
	</tr>

	<tr id="create_sub_type_for_sealed_type"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=577317 -->
	<td class="title"><a href="#create_sub_type_for_sealed_type">Create sub type for sealed super type</a></td>
	<td class="content">
	A new set of <b>quick-fixes</b> has been added to create sub-type for a sealed type which does not have any permitted types. When selected, the appropriate new <b>Class/Record/Interface wizard</b> opens up.
	<p>These quick fixes have been added to fix the error :
	<code>Sealed class or interface lacks the permits clause and no class or interface from the same compilation unit declares Cls1 as its direct superclass or superinterface</code></p>
	<p>As shown below, two new quick fixes have been added to create sub-type for a sealed super class.</p>
	<p><img src="images/permitted_sub_class.png" alt="Before" /></p>
	<p>As shown below, six new quick fixes have been added to create sub-type for a sealed super interface.</p>
	<p><img src="images/permitted_sub_type.png" alt="Before" /></p>
	</td>
	</tr>
	<!-- ***************** End of Java Editor *********************************** -->

	<!-- ***************** Java Views and Dialogs *********************************** -->
	<!--
	<tr>
	<td id="JavaViewsAndDialogs" class="section" colspan="2">
	<h2>Java Views and Dialogs</h2>
	</td>
	</tr>
	-->
	<!-- ***************** End of Java Views and Dialogs *********************************** -->

	<!-- ***************** Java Compiler *********************************** -->
	<!--
	<tr>
	<td id="JavaCompiler" class="section" colspan="2">
	<h2>Java Compiler</h2>
	</td>
	</tr>
	-->
	<!-- ***************** End of Java Compiler *********************************** -->

	<!-- ***************** Java Formatter *********************************** -->
	<!--
	<tr>
	<td id="JavaFormatter" class="section" colspan="2">
	<h2>Java Formatter </h2>
	</td>
	</tr>
	-->
	<!-- ***************** End of Java Formatter *********************************** -->

	<!-- ********************* Debug ****************************** -->
	<tr>
	<td id="Debug" class="section" colspan="2">
	<h2>Debug</h2>
	</td>
	</tr>

	<tr id="debug-stack"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=547041 -->
	<td class="title"><a href="#debug-stack">Console support for stack from Debug view</a></td>
	<td class="content">
	Surprisingly enough, <b>Java Stack Trace Console</b> never supported navigation to
	Java types for Java stack traces copied from <b>Debug</b> view via <b>Copy Stack</b> action.
	<p>
	Now, the console will underline type names and line numbers and clicking on
	links will jump to the corresponding source code. If the type name is not unique,
	default <b>Select type</b> dialog will appear to allow selection of the right type.
	</p>
	<p><img src="images/java_stack_console.png" alt="Console shows links to Java types"/></p>
	</td>
	</tr>
	<!--********************** End of Debug ****************************** -->

	<!-- ********************* JDT Developers ****************************** -->
	<!--
	<tr>
	<td id="JDTDev" class="section" colspan="2">
	<h2>JDT Developers</h2>
	</td>
	</tr>
	-->
	<!-- ********************* End of JDT Developers ****************************** -->
	<tr><td colspan="2"/></tr>
	</tbody>
	</table>
	<!-- **************** END OF N&N TABLE **************** -->

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	<p style="text-align:center">
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