blocks|key|354863|text|您需要在主线程中设置"com.apple.mrj.application.apple.menu.about.name“系统属性，而不是在Swing线程中(换句话说，只将其设置为程序中的第一行)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|354864|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You need to set the "com.apple.mrj.application.apple.menu.about.name" system property in the main thread, not in the Swing thread (in other words, just make it the first line in the program).

blocks|key|3141544|text|据我所知，您想要重命名显示在os+x菜单栏上的应用程序菜单。好吧，我没有找到系统属性，但我找到了一个命令行选项：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3141545|-Xdock:name="YourNameHere"|code-block|syntax|javascript|3141546|这对我很管用。|3141547|顺便说一下:系统属性com.apple.mrj.application.apple.menu.about.name用于重命名应用程序菜单中的about菜单项，而不是菜单栏本身|3141548|请看这里的this+link+(+old+link可能是在太阳神谕获得后的某个时候被杀死的)。|offset|length|3141549|entityMap|0|LINK|mutability|MUTABLE|url|http://www.oracle.com/technetwork/articles/javase/javatomac-140486.html|1|http://java.sun.com/developer/technicalArticles/JavaLP/JavaToMac/^0|0|0|0|0|5|9|0|H|8|1|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Z|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|10|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|11|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|12|8|@]|9|@$M|13|N|14|1|15]|$M|16|N|17|1|18]]|A|$]]|$1|O|3|-4|5|6|7|19|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]|W|$5|R|S|T|A|$U|X]]]]

As I understand you want to rename your application menu shown on the os x menu bar. Well, I didn't find a system property but I found a command line option:

<pre><code>-Xdock:name="YourNameHere"
</code></pre>

that worked for me.

BTW: The syystem property com.apple.mrj.application.apple.menu.about.name is for renaming the about menu item in your application menu, not the menu bar itself

See <a href="http://www.oracle.com/technetwork/articles/javase/javatomac-140486.html" rel="nofollow noreferrer">this link</a> here (the <a href="http://java.sun.com/developer/technicalArticles/JavaLP/JavaToMac/" rel="nofollow noreferrer">old link</a> was probably killed sometime after the sun-oracle-aquisition).

blocks|key|3141568|text|如果你想交付一个在Mac上看起来像是原生的应用程序，一个重要的部分是交付一个应用程序捆绑包。在应用程序包中，您将能够提供一个属性列表文件来解决此问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3141569|一些官方信息：Java+Development+Guide+for+Mac+OS+X|offset|length|3141570|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.apple.com/documentation/Java/Conceptual/Java14Development/07-NativePlatformIntegration/NativePlatformIntegration.html#//apple_ref/doc/uid/TP40001909-SW1^0|0|7|Z|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

If you want to deliver an application that looks native on Mac OS X, one important part is to deliver an appplication bundle. Within the application bundle, you will be able to provide a property list file in order to solve this problems.

Some official info: <a href="http://developer.apple.com/documentation/Java/Conceptual/Java14Development/07-NativePlatformIntegration/NativePlatformIntegration.html#//apple_ref/doc/uid/TP40001909-SW1" rel="nofollow noreferrer">Java Development Guide for Mac OS X</a>

blocks|key|3354589|text|@Kezzer|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3354590|我想我知道怎么回事了。如果您将main()方法放在一个不同的类中，那么一切都会正常工作。所以你需要像这样的东西：|3354591|public+class+RootGUILauncher+{
++public+static+void+main(String[]+args)+{
++++try+{
++++++++++++++++System.setProperty("apple.laf.useScreenMenuBar",+"true");
++++++++++++++++System.setProperty("com.apple.mrj.application.apple.menu.about.name",+"Test");
++++++++++++++++UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
++++++++}
++++++++catch(ClassNotFoundException+e)+{
++++++++++++++++System.out.println("ClassNotFoundException:+"+%2B+e.getMessage());
++++++++}
++++++++catch(InstantiationException+e)+{
++++++++++++++++System.out.println("InstantiationException:+"+%2B+e.getMessage());
++++++++}
++++++++catch(IllegalAccessException+e)+{
++++++++++++++++System.out.println("IllegalAccessException:+"+%2B+e.getMessage());
++++++++}
++++++++catch(UnsupportedLookAndFeelException+e)+{
++++++++++++++++System.out.println("UnsupportedLookAndFeelException:+"+%2B+e.getMessage());
++++++++}
++++++++javax.swing.SwingUtilities.invokeLater(new+Runnable()+{
++++++++public+void+run()+{
++++++++++++new+RootGUI();
++++++++}
++++});
}|code-block|syntax|javascript|3354592|然后将您的RootGUI类放入另一个文件中。|3354593|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

@Kezzer

I think I see what's going on. If you put the main() method in a different class, then everything works. So you need something like:

<pre><code>public class RootGUILauncher {
 public static void main(String[] args) {
 try {
 System.setProperty("apple.laf.useScreenMenuBar", "true");
 System.setProperty("com.apple.mrj.application.apple.menu.about.name", "Test");
 UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
 }
 catch(ClassNotFoundException e) {
 System.out.println("ClassNotFoundException: " + e.getMessage());
 }
 catch(InstantiationException e) {
 System.out.println("InstantiationException: " + e.getMessage());
 }
 catch(IllegalAccessException e) {
 System.out.println("IllegalAccessException: " + e.getMessage());
 }
 catch(UnsupportedLookAndFeelException e) {
 System.out.println("UnsupportedLookAndFeelException: " + e.getMessage());
 }
 javax.swing.SwingUtilities.invokeLater(new Runnable() {
 public void run() {
 new RootGUI();
 }
 });
}
</code></pre>

And then put your RootGUI class in a different file.

blocks|key|3141605|text|您也可以在构建应用程序时使用Macify，这样就不需要更改任何代码。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3141606|entityMap|0|LINK|mutability|MUTABLE|url|http://simplericity.com/2007/10/02/1191336060000.html^0|E|6|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

You can also use <a href="http://simplericity.com/2007/10/02/1191336060000.html" rel="nofollow noreferrer">Macify</a> when you build the app so you don't need to change any code.

blocks|key|3141628|text|如果你要启动多个JFrames并使用mac菜单，那么其中一个JFrames可能会用一个具有不同菜单结构的JFrame替换你想要的那个。我不确定您是否可以为多个JFrames共享一个JMenuBar，但您可以只创建一个应用程序范围的菜单栏，所有的frames都会实例化。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3141629|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If you are launching multiple JFrames and you use the mac menu, then one of the JFrames could be replacing the JFrame you want with one that has a different menu structure. I'm not sure if you can share one JMenuBar for multiple JFrames, but you could just make an application wide menubar that all the frames instantiate.

blocks|key|3354672|text|对于任何感兴趣的人来说，虽然这个问题已经6岁了，但我也遇到了同样的问题。Swing菜单不会显示在mac本地栏中。我找到了一个更简单、更直接的解决方案。只需向您的JFrame添加一个Java.awt菜单组件，而不是JMenu，它将自动显示在本地菜单栏中！|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3354673|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

for anybody interested, although this question is 6 years old i had the same problem. Swing menus aren't displayed in the mac native bar.
I found an easier and more straightforward solution...
Just add to your JFrame a Java.awt Menu Component instead of a JMenu and it will automatically display in the native Menubar!

blocks|key|3141697|text|说到最后一击，但我可以证实这一点(令人惊讶)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3141698|System.setProperty("apple.laf.useScreenMenuBar",+"true");|offset|length|style|CODE|3141699|然后，...and在JFrame上设置了一个JMenuBar，按照macOS的喜好将菜单栏放在了顶部。|3141700|jFrame.setJMenuBar(jMenuBar);|3141701|macOS+Big+Sur+(11.2.3)和JDK16上的...running。|3141702|entityMap^0|0|0|1L|0|0|0|T|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@$D|R|E|S|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|T|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|U|8|@$D|V|E|W|F|G]]|9|@]|A|$]]|$1|L|3|M|5|6|7|X|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|O|$]]

Talk about a late hit, but I can confirm that (amazingly)
<code>System.setProperty(&quot;apple.laf.useScreenMenuBar&quot;, &quot;true&quot;);</code>
...and then setting a JMenuBar on the JFrame worked, putting the menu bar on the top as preferred by macOS.
<code>jFrame.setJMenuBar(jMenuBar);</code>
...running on macOS Big Sur (11.2.3) and JDK 16.

A link that stands out is <a href="http://www.devdaily.com/blog/post/jfc-swing/handling-main-mac-menu-in-swing-application/" rel="noreferrer">http://www.devdaily.com/blog/post/jfc-swing/handling-main-mac-menu-in-swing-application/</a> however the menu bar under Mac OS X displays as the package name as opposed to the application name. I'm using the code in the above link without any luck, so I'm unsure if anything's changed in recent Mac OS versions.

Here's an extract:

<blockquote>
<pre><code>public RootGUI() {
 super("Hello");
 JMenuBar menuBar = new JMenuBar();
 JMenu file = new JMenu("File");
 JMenuItem item = new JMenuItem("Woah");
 file.add(item);
 menuBar.add(file);
 setJMenuBar(menuBar);
 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 setSize(100, 100);
 pack();
 setVisible(true);
}
</code></pre>
</blockquote>

<pre><code>public static void main(String[] args) {
 javax.swing.SwingUtilities.invokeLater(new Runnable() {
 public void run() {
 try {
 System.setProperty("apple.laf.useScreenMenuBar", "true");
 System.setProperty("com.apple.mrj.application.apple.menu.about.name", "Test");
 UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
 new RootGUI();
 }
 catch(ClassNotFoundException e) {
 System.out.println("ClassNotFoundException: " + e.getMessage());
 }
 catch(InstantiationException e) {
 System.out.println("InstantiationException: " + e.getMessage());
 }
 catch(IllegalAccessException e) {
 System.out.println("IllegalAccessException: " + e.getMessage());
 }
 catch(UnsupportedLookAndFeelException e) {
 System.out.println("UnsupportedLookAndFeelException: " + e.getMessage());
 }

 }
 });
}
</code></pre>

The first menu item on the menu bar should display as "test", unfortunately this isn't the case. The file menu works fine, on the other hand. Any ideas?

Native Swing Menu Bar Support For MacOS X In Java

Java

一个突出的链接是，但是Mac下的菜单栏显示为包名，而不是应用程序名。我正在使用上面链接中的代码，没有任何幸运，所以我不确定在最近的Mac OS版本中是否有任何更改。下面是一段摘录： RootGUI() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)；(“Hello”)；...

问Java中对MacOS X的本机Swing菜单栏支持
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