What does jmenu mean in swing zentut?
The JMenu class represents the menu that can be attached to a menu bar or to another menu. The menu attached directly to a menu bar is known as a top level menu. If the menu is attached to a menu, it is called a submenu. Here are the constructors for the JMenu class: Create an instance of JMenu with no text.
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How to open two jframes in Java Swing?
Here, instead of opening two JFrame, what you can do is just switch the JPanels using CardLayout. And the code that is responsible for creating and displaying your GUI should be inside SwingUtilities.invokeLater(…); method to make it thread-safe.
Here are some notable features of the Java Swing menu: Menu items can have icons and text. Menu items can be check boxes or radio buttons. Each menu item can have a keyboard accelerator that is displayed after the menu item’s text.
What should be the resolution for swing JFrame?
First of all, that’s the resolution you’d like to use, 1650,1080. If you have problems with the components in the JFrame, after you have added all the components using the frame.add(component) method, add the following statement. You can use the properties tool.
Menus are unique in that, by convention, they are not collocated with the other UI components. Instead, a menu usually appears in a menu bar or as a popup menu. A menu bar contains one or more menus and has a common platform-dependent location, usually at the top of a window.
While the first menu is visible, pressing the B key (with or without Alt) chooses the second menu item. A menu item typically displays its mnemonic by underlining the first occurrence of the mnemonic character in the menu item’s text, as the following snapshot shows.
How to change the location of tabs in Java?
As the TabbedPaneDemo example shows, a tab can have a tooltip and a mnemonic, and can display both text and an image. The default location of the tab is set to the TOP location, as shown above. You can change the location of the tabs to LEFT, RIGHT, TOP, or BOTTOM using the setTabPlacement method.
As you can see, the getKeyStroke() method takes two parameters: a character key and a modifier key (Alt, Ctrl or Shift). You can also pass 0 to indicate that no modifier is used. For example, the following statements set F3 as the hotkey for the menu item: