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| <title>Java Editor</title> |
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| <h1>Java Editor</h1> |
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| <p>The Java editor provides specialized features for editing Java code.</p> |
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| <p>Associated with the editor is a Java-specific Outline view, which shows the structure of the active Java compilation unit. |
| It is updated as the user edits the compilation unit.</p> |
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| <p>The editor can also show a breadcrumb navigation bar. The breadcrumb shows the parent chain of the element at the current |
| cursor position. It is also updated when the user edits the compilation unit or changes the selection.</p> |
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| <p>The Java editor can be opened on binary CLASS files. |
| If a JAR file containing the CLASS files has a source attachment, |
| then the editor shows the corresponding source.</p> |
| |
| <p>The editor includes the following features:</p> |
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| <ul> |
| <li>Syntax highlighting</li> |
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| <li>Content/code assist</li> |
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| <li>Code formatting</li> |
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| <li>Import assistance</li> |
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| <li>Quick fix</li> |
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| <li>Integrated debugging features</li> |
| </ul> |
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| <p>The Java editor can be configured to either show an entire compilation unit or a single Java element only. |
| To change the setting, use the toolbar button <span class="control">Show Source of Selected Element Only</span>. |
| </p> |
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| <p>The most common way to invoke the Java editor is to open a Java file from the |
| Package explorer using pop-up menus or by clicking the file |
| (single or double-click depending on the user preferences). You can |
| also open the editor by opening Java elements, such as types, methods, or |
| fields, from other views.</p> |
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| <p><img src="../images/ngrelc.png" alt="Related concepts" border="0"></p> |
| <p> |
| <a href="concept-quickfix-assist.htm">Quick fix and assist</a><br> |
| <a href="concept-editor-templates.htm">Templates</a><br> |
| </p> |
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| <p><img border="0" src="../images/ngrelt.png" alt="Related tasks"></p> |
| <p> |
| <a href="../tasks/tasks-73.htm">Opening an editor for a selected element</a><br> |
| <a href="../tasks/task-view_runtime_exceptions.htm">Viewing runtime exceptions</a><br> |
| <a href="../tasks/task-evaluating_expressions.htm">Evaluating expressions</a><br> |
| </p> |
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| <p><img border="0" src="../images/ngrelr.png" alt="Related reference"></p> |
| <p> |
| <a href="../reference/ref-java-editor-quickassist.htm">Quick assists</a><br> |
| <a href="../reference/ref-java-editor-quickfix.htm">Quick fixes</a><br> |
| <a href="../reference/views/ref-java-editor.htm">Java editor actions</a><br> |
| <a href="../reference/preferences/java/ref-preferences-editor.htm">Java editor preferences</a><br> |
| <a href="../reference/views/ref-view-outline.htm">Java outline</a><br> |
| <a href="../reference/ref-java-editor-breadcrumb.htm">Java Editor Breadcrumb</a><br> |
| <a href="../reference/views/ref-viewsandeditors.htm">Views and editors</a> |
| </p> |
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