4.17/jdt.html - gerrit/www.eclipse.org/eclipse/news - Git at Google

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 <body>
 <h2>Java development tools</h2>
 <ul>
 	<!--li><a href="#JavaXX">Java&trade; XX Support</a></li-->
 	<li><a href="#Java15">Java 15 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 15 Support ************************************* -->
   <tr>
     <td id="Java15" class="section" colspan="2">
     <h2>Java&trade; 15 Support </h2></td>
   </tr>
    <tr id="Java_15"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=559959 -->
       <td class="title">Java 15</td>
       <td class="content">
           <a href="http://jdk.java.net/15/">Java 15</a> is out and Eclipse JDT supports Java 15 for 4.17 via
           <a href="https://marketplace.eclipse.org/content/java-15-support-eclipse-2020-09-417/"> Marketplace</a>.
           <p></p>
           <p>
           The release notably includes the following Java 15 features:
            <br/>
            <a href="https://openjdk.java.net/jeps/378"> JEP 378: Text Blocks (Standard)</a>.
            <br/>
            <a href="https://openjdk.java.net/jeps/384"> JEP 384: Records (Second Preview)</a>.
            <br/>
            <a href="https://openjdk.java.net/jeps/375"> JEP 375: Pattern Matching for Instanceof (Second Preview)</a>.
            <br/>
            <a href="https://openjdk.java.net/jeps/360"> JEP 360: Sealed Classes (Preview)</a>.
            </p>
            <p>
            Please note that preview option should be on for <a href="http://openjdk.java.net/projects/jdk/15/"> preview language features</a>.
            For an informal introduction of the support,
            please refer to <a href="https://wiki.eclipse.org/Java15/Examples"> Java 15 Examples wiki</a>.
            </p>
       </td>
   </tr>
   <!-- ******************* End of Java 15 Support ************************************* -->

   <!-- ******************* JUnit ************************************* -->
   <tr>
     <td id="JUnit" class="section" colspan="2">
     <h2>JUnit</h2>
     </td>
   </tr>
   <tr id="junit-collapse-all"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=564964 -->
     <td class="title"><a href="#junit-collapse-all">Collapse all nodes in JUnit view</a></td>
     <td class="content">
      JUnit view now provides a context-menu option to collapse all nodes:
      <p><img src="images/junit-collapse-all.png" alt=""/></p>
     </td>
   </tr>

   <tr id="junit-sort-time"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=219466 -->
     <td class="title"><a href="#junit-sort-time">Sort test results by execution time</a></td>
     <td class="content">
      JUnit view now provides the ability to sort results by execution time.
      By default, results will be sorted by execution order.  Choosing <b>Sort By &gt; Execution Time</b>
      from the <b>JUnit View</b> menu will reorder the results once all tests are complete.  While tests are still running, they will be shown in
      execution order.
      <p><img src="images/junit-sort-time-before.png" alt=""/></p>
      <p>
      Sorting by execution order results in:
      </p>
      <p><img src="images/junit-sort-time-after.png" alt=""/></p>
     </td>
   </tr>
   <!-- ******************* End of JUnit ************************************* -->

   <!-- ******************* Java Editor ************************************* -->
   <tr>
     <td id="JavaEditor" class="section" colspan="2">
     <h2>Java Editor </h2>
     </td>
   </tr>
   <tr id="content-assist-substring-types"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=481323 -->
     <td class="title"><a href="#content-assist-substring-types">Substring/Subword matches for types</a></td>
     <td class="content">
      Content Assist now fully supports both substring and subword matches for types:
      <p><img src="images/substring-types.png" alt=""/></p>
      <p>
          Substring matches are always shown and subword matches can be enabled/disabled with the existing <b>Show subword matches</b> option on the
          <b>Java &gt; Editor &gt; Content Assist</b> preference page.
      </p>
     </td>
   </tr>

   <tr id="optimization"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=565630 -->
     <td class="title"><a href="#optimization">Optimization tab</a></td>
     <td class="content">
       A new tab has been added that gathers cleanups that improve the time performance: the existing lazy operator cleanup and the regex precompiler cleanup.
       <p><img src="images/regex-preferences.png" alt="Preferences" width="800 px"/></p>
     </td>
   </tr>

   <tr id="objects-equals"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=562077 -->
     <td class="title"><a href="#objects-equals">Objects.equals()</a></td>
     <td class="content">
       A new clean up has been added that makes use of <code>Objects.equals()</code> to implement the <code>equals(Object)</code> method.
       <p>
         It reduces the code and improves the reading.
         The cleanup is only available for Java 7 or higher.
         Although this kind of comparison is almost exclusively seen in the <code>equals(Object)</code> method, it can also reduce code in other methods.
       </p>
       <p>
         To select the clean up, invoke <b>Source &gt; Clean Up...</b>, use a custom profile, and on the <b>Configure...</b> dialog select <b>Use Objects.equals() in the equals method implementation</b> on the <b>Unnecessary Code</b> tab.
       </p>
       <p><img src="images/objects-equals-preferences.png" alt="Preferences" width="800 px"/></p>
       For the given code:
       <p><img src="images/objects-equals-before.png" alt="Before"/></p>
       You get this after the clean up:
       <p><img src="images/objects-equals-after.png" alt="After"/></p>
     </td>
   </tr>

   <tr id="regex"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=561769 -->
     <td class="title"><a href="#regex">Precompiles the regular expressions</a></td>
     <td class="content">
       A new clean up has been added that optimizes the regular expression execution by precompiling it.
       <p>
         It replaces some usages of <code>java.lang.String</code> by usages of <code>java.util.regex.Pattern</code>.
         The cleanup is done only if it is sure that the string is used as a regular expression.
         If there is any doubt, nothing is done.
         The regular expression must be explicitly used several times to be sure the cleanup is useful.
       </p>
       <p>
         To select the clean up, invoke <b>Source &gt; Clean Up...</b>, use a custom profile, and on the <b>Configure...</b> dialog select <b>Precompiles reused regular expressions</b> on the <b>Optimization</b> tab.
       </p>
       <p><img src="images/regex-preferences.png" alt="Preferences" width="800 px"/></p>
       For the given code:
       <p><img src="images/regex-before.png" alt="Before"/></p>
       You get this after the clean up:
       <p><img src="images/regex-after.png" alt="After"/></p>
     </td>
   </tr>

   <tr id="String.format-quickfix"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=565040 -->
     <td class="title"><a href="#String.format-quickfix">String.format quickfix</a></td>
     <td class="content">
 	  A new quickfix has been added to replace string concatenation with <code>String.format</code>, similar to the existing ones for <code>StringBuilder</code> and <code>MessageFormat</code>.
       <p><img src="images/String.format-quickfix.png" alt=""/></p>
     </td>
   </tr>

   <tr id="method_reference-quickfix"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=516504 -->
     <td class="title"><a href="#method_reference-quickfix">Method reference quickfix</a></td>
     <td class="content">
 	  A new quickfix has been added to create missing methods for method references.
 	  <p><b>NOTE! Current restriction is that this quickfix is only available on current class.</b></p>
 	  <p><b>NOTE! Expect current implementation to work on simple cases only.
 	  <br/>Method references invoking nested generics or type parameters might be problematic to resolve correct.</b></p>

       <p><img src="images/methodreference_1.png" alt=""/></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>

   <tr id="toggle-code-minings"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=563199 -->
     <td class="title"><a href="#toggle-code-minings">Toggle Code Minings From Find Actions Menu</a></td>
     <td class="content">
       The code minings within an editor can be enabled/disabled through the Find Actions menu (<b>Ctrl+3</b>).
       <p><img src="images/toggle-code-minings.png" alt=""/></p>
     </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>

   <tr id="formatter-wrap-assert"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=563558 -->
     <td class="title"><a href="#formatter-wrap-assert">Assert statement wrapping</a></td>
     <td class="content">
       A new setting in the Formatter profile controls <b>line wrapping of assert statements</b>.
       A line wrap can be added between the assert condition and its error message.
       The setting can be found in the <b>Profile Editor</b> (<b>Preferences &gt; Java &gt; Code Style &gt; Formatter &gt; Edit...</b>) in the <b>Line Wrapping &gt; Wrapping Settings &gt; Statemtens &gt; 'assert' messages</b> node.
       <p><img src="images/formatter-wrap-assert.png" alt=""/></p>
     </td>
   </tr>
   <!-- ******************* End of Java Formatter ************************************* -->

   <!-- *********************** Debug ******************************** -->
   <tr>
     <td id="Debug" class="section" colspan="2">
     <h2>Debug</h2>
     </td>
   </tr>
   <tr id="anonymous-class-inspection"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=549952 -->
     <td class="title"><a href="#anonymous-class-inspection">Anonymous class instance in evaluation</a></td>
     <td class="content">
       The <b>JDT debugger</b> is now capable of inspecting/evaluating expressions with anonymous class instances.
       <p><img src="images/anon-instance-inspection-code.png" alt=""/></p>
       <p><img src="images/anon-instance-inspection.png" alt=""/></p>
     </td>
   </tr>
   <tr id="helpful-nullpointer-exceptions"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=551483 -->
     <td class="title"><a href="#helpful-nullpointer-exceptions">JEP 358: Helpful NullPointerExceptions</a></td>
     <td class="content">
       The <b>JDT debugger</b> has now a checkbox option to activate the command line support for <a href="https://openjdk.java.net/jeps/358">JEP 358</a>.
       This is disabled below Java 14 and enabled by default for Java programs launched with Java 14 and above.
       <p><b>-XX:+ShowCodeDetailsInExceptionMessages</b></p>
       <p><img src="images/helpfulNullPointerExceptions.png" alt=""/></p>
       JVM is now capable of analyzing which variable was null at the point of NullPointerException and describe the variable with a null-detail message in the NPE.

     </td>
   </tr>
   <tr id="variables-actual-type"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=547096 -->
     <td class="title"><a href="#variables-actual-type">Actual type in Variables view</a></td>
     <td class="content">
 	  The option <b>Show Type Names</b> in the <b>Variables</b> and <b>Expressions</b> views now displays the value's actual type instead of its declared type.
 	  This simplifies debugging especially when variable details (<code>toString()</code>) is shown <b>As the label for all variables</b>.
 	  <p>To enable <b>Show Type Names</b> in the <b>Variables</b> view, column mode must be disabled (<b>View Menu &gt; Layout &gt; Show Columns</b>).</p>
 	  <p>Example:</p><pre>
 	Object s = "some string";
 	Collection&lt;?&gt; c = Arrays.asList(s, 1);
 	// breakpoint
 	  </pre>
       <p><img src="images/variables-actual-type.png" alt=""/></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 ******************************** -->
 </tbody>
 </table>
 <!-- ****************** END OF N&N TABLE ****************** -->

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	<title>Eclipse Project 4.17 - New and Noteworthy</title>
	</head>

	<body>
	<h2>Java development tools</h2>
	<ul>
	<!--li><a href="#JavaXX">Java™ XX Support</a></li-->
	<li><a href="#Java15">Java 15 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 15 Support *********************************** -->
	<tr>
	<td id="Java15" class="section" colspan="2">
	<h2>Java™ 15 Support </h2></td>
	</tr>
	<tr id="Java_15"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=559959 -->
	<td class="title">Java 15</td>
	<td class="content">
	<a href="http://jdk.java.net/15/">Java 15</a> is out and Eclipse JDT supports Java 15 for 4.17 via
	<a href="https://marketplace.eclipse.org/content/java-15-support-eclipse-2020-09-417/"> Marketplace</a>.
	<p></p>
	<p>
	The release notably includes the following Java 15 features:
	<br/>
	<a href="https://openjdk.java.net/jeps/378"> JEP 378: Text Blocks (Standard)</a>.
	<br/>
	<a href="https://openjdk.java.net/jeps/384"> JEP 384: Records (Second Preview)</a>.
	<br/>
	<a href="https://openjdk.java.net/jeps/375"> JEP 375: Pattern Matching for Instanceof (Second Preview)</a>.
	<br/>
	<a href="https://openjdk.java.net/jeps/360"> JEP 360: Sealed Classes (Preview)</a>.
	</p>
	<p>
	Please note that preview option should be on for <a href="http://openjdk.java.net/projects/jdk/15/"> preview language features</a>.
	For an informal introduction of the support,
	please refer to <a href="https://wiki.eclipse.org/Java15/Examples"> Java 15 Examples wiki</a>.
	</p>
	</td>
	</tr>
	<!-- ***************** End of Java 15 Support *********************************** -->

	<!-- ***************** JUnit *********************************** -->
	<tr>
	<td id="JUnit" class="section" colspan="2">
	<h2>JUnit</h2>
	</td>
	</tr>
	<tr id="junit-collapse-all"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=564964 -->
	<td class="title"><a href="#junit-collapse-all">Collapse all nodes in JUnit view</a></td>
	<td class="content">
	JUnit view now provides a context-menu option to collapse all nodes:
	<p><img src="images/junit-collapse-all.png" alt=""/></p>
	</td>
	</tr>

	<tr id="junit-sort-time"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=219466 -->
	<td class="title"><a href="#junit-sort-time">Sort test results by execution time</a></td>
	<td class="content">
	JUnit view now provides the ability to sort results by execution time.
	By default, results will be sorted by execution order. Choosing <b>Sort By > Execution Time</b>
	from the <b>JUnit View</b> menu will reorder the results once all tests are complete. While tests are still running, they will be shown in
	execution order.
	<p><img src="images/junit-sort-time-before.png" alt=""/></p>
	<p>
	Sorting by execution order results in:
	</p>
	<p><img src="images/junit-sort-time-after.png" alt=""/></p>
	</td>
	</tr>
	<!-- ***************** End of JUnit *********************************** -->

	<!-- ***************** Java Editor *********************************** -->
	<tr>
	<td id="JavaEditor" class="section" colspan="2">
	<h2>Java Editor </h2>
	</td>
	</tr>
	<tr id="content-assist-substring-types"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=481323 -->
	<td class="title"><a href="#content-assist-substring-types">Substring/Subword matches for types</a></td>
	<td class="content">
	Content Assist now fully supports both substring and subword matches for types:
	<p><img src="images/substring-types.png" alt=""/></p>
	<p>
	Substring matches are always shown and subword matches can be enabled/disabled with the existing <b>Show subword matches</b> option on the
	<b>Java > Editor > Content Assist</b> preference page.
	</p>
	</td>
	</tr>

	<tr id="optimization"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=565630 -->
	<td class="title"><a href="#optimization">Optimization tab</a></td>
	<td class="content">
	A new tab has been added that gathers cleanups that improve the time performance: the existing lazy operator cleanup and the regex precompiler cleanup.
	<p><img src="images/regex-preferences.png" alt="Preferences" width="800 px"/></p>
	</td>
	</tr>

	<tr id="objects-equals"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=562077 -->
	<td class="title"><a href="#objects-equals">Objects.equals()</a></td>
	<td class="content">
	A new clean up has been added that makes use of <code>Objects.equals()</code> to implement the <code>equals(Object)</code> method.
	<p>
	It reduces the code and improves the reading.
	The cleanup is only available for Java 7 or higher.
	Although this kind of comparison is almost exclusively seen in the <code>equals(Object)</code> method, it can also reduce code in other methods.
	</p>
	<p>
	To select the clean up, invoke <b>Source > Clean Up...</b>, use a custom profile, and on the <b>Configure...</b> dialog select <b>Use Objects.equals() in the equals method implementation</b> on the <b>Unnecessary Code</b> tab.
	</p>
	<p><img src="images/objects-equals-preferences.png" alt="Preferences" width="800 px"/></p>
	For the given code:
	<p><img src="images/objects-equals-before.png" alt="Before"/></p>
	You get this after the clean up:
	<p><img src="images/objects-equals-after.png" alt="After"/></p>
	</td>
	</tr>

	<tr id="regex"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=561769 -->
	<td class="title"><a href="#regex">Precompiles the regular expressions</a></td>
	<td class="content">
	A new clean up has been added that optimizes the regular expression execution by precompiling it.
	<p>
	It replaces some usages of <code>java.lang.String</code> by usages of <code>java.util.regex.Pattern</code>.
	The cleanup is done only if it is sure that the string is used as a regular expression.
	If there is any doubt, nothing is done.
	The regular expression must be explicitly used several times to be sure the cleanup is useful.
	</p>
	<p>
	To select the clean up, invoke <b>Source > Clean Up...</b>, use a custom profile, and on the <b>Configure...</b> dialog select <b>Precompiles reused regular expressions</b> on the <b>Optimization</b> tab.
	</p>
	<p><img src="images/regex-preferences.png" alt="Preferences" width="800 px"/></p>
	For the given code:
	<p><img src="images/regex-before.png" alt="Before"/></p>
	You get this after the clean up:
	<p><img src="images/regex-after.png" alt="After"/></p>
	</td>
	</tr>

	<tr id="String.format-quickfix"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=565040 -->
	<td class="title"><a href="#String.format-quickfix">String.format quickfix</a></td>
	<td class="content">
	A new quickfix has been added to replace string concatenation with <code>String.format</code>, similar to the existing ones for <code>StringBuilder</code> and <code>MessageFormat</code>.
	<p><img src="images/String.format-quickfix.png" alt=""/></p>
	</td>
	</tr>

	<tr id="method_reference-quickfix"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=516504 -->
	<td class="title"><a href="#method_reference-quickfix">Method reference quickfix</a></td>
	<td class="content">
	A new quickfix has been added to create missing methods for method references.
	<p><b>NOTE! Current restriction is that this quickfix is only available on current class.</b></p>
	<p><b>NOTE! Expect current implementation to work on simple cases only.
	<br/>Method references invoking nested generics or type parameters might be problematic to resolve correct.</b></p>

	<p><img src="images/methodreference_1.png" alt=""/></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>

	<tr id="toggle-code-minings"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=563199 -->
	<td class="title"><a href="#toggle-code-minings">Toggle Code Minings From Find Actions Menu</a></td>
	<td class="content">
	The code minings within an editor can be enabled/disabled through the Find Actions menu (<b>Ctrl+3</b>).
	<p><img src="images/toggle-code-minings.png" alt=""/></p>
	</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>

	<tr id="formatter-wrap-assert"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=563558 -->
	<td class="title"><a href="#formatter-wrap-assert">Assert statement wrapping</a></td>
	<td class="content">
	A new setting in the Formatter profile controls <b>line wrapping of assert statements</b>.
	A line wrap can be added between the assert condition and its error message.
	The setting can be found in the <b>Profile Editor</b> (<b>Preferences > Java > Code Style > Formatter > Edit...</b>) in the <b>Line Wrapping > Wrapping Settings > Statemtens > 'assert' messages</b> node.
	<p><img src="images/formatter-wrap-assert.png" alt=""/></p>
	</td>
	</tr>
	<!-- ***************** End of Java Formatter *********************************** -->

	<!-- ********************* Debug ****************************** -->
	<tr>
	<td id="Debug" class="section" colspan="2">
	<h2>Debug</h2>
	</td>
	</tr>
	<tr id="anonymous-class-inspection"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=549952 -->
	<td class="title"><a href="#anonymous-class-inspection">Anonymous class instance in evaluation</a></td>
	<td class="content">
	The <b>JDT debugger</b> is now capable of inspecting/evaluating expressions with anonymous class instances.
	<p><img src="images/anon-instance-inspection-code.png" alt=""/></p>
	<p><img src="images/anon-instance-inspection.png" alt=""/></p>
	</td>
	</tr>
	<tr id="helpful-nullpointer-exceptions"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=551483 -->
	<td class="title"><a href="#helpful-nullpointer-exceptions">JEP 358: Helpful NullPointerExceptions</a></td>
	<td class="content">
	The <b>JDT debugger</b> has now a checkbox option to activate the command line support for <a href="https://openjdk.java.net/jeps/358">JEP 358</a>.
	This is disabled below Java 14 and enabled by default for Java programs launched with Java 14 and above.
	<p><b>-XX:+ShowCodeDetailsInExceptionMessages</b></p>
	<p><img src="images/helpfulNullPointerExceptions.png" alt=""/></p>
	JVM is now capable of analyzing which variable was null at the point of NullPointerException and describe the variable with a null-detail message in the NPE.

	</td>
	</tr>
	<tr id="variables-actual-type"> <!-- https://bugs.eclipse.org/bugs/show_bug.cgi?id=547096 -->
	<td class="title"><a href="#variables-actual-type">Actual type in Variables view</a></td>
	<td class="content">
	The option <b>Show Type Names</b> in the <b>Variables</b> and <b>Expressions</b> views now displays the value's actual type instead of its declared type.
	This simplifies debugging especially when variable details (<code>toString()</code>) is shown <b>As the label for all variables</b>.
	<p>To enable <b>Show Type Names</b> in the <b>Variables</b> view, column mode must be disabled (<b>View Menu > Layout > Show Columns</b>).</p>
	<p>Example:</p><pre>
	Object s = "some string";
	Collection<?> c = Arrays.asList(s, 1);
	// breakpoint
	</pre>
	<p><img src="images/variables-actual-type.png" alt=""/></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 ****************************** -->
	</tbody>
	</table>
	<!-- **************** END OF N&N TABLE **************** -->

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