JPizza.java:77: error: incompatible types if(source = playButton) ^ required: boolean found: Object JPizza.java:69: error: method addActionListener in class AbstractButton cannot be applied to given types; playButton.addActionListener(this); ^ required: ActionListener found: JPizza 仅举几个例...
GUI（图形用户界面）为程序提供图形界面，它最初的设计目的是为程序员构建一个通用的GUI，使其能够在所有的平台上运行，但Java1.0中基础类AWT（抽象窗口工具箱）并没有达到这个要求，于是Swing出现了，它是AWT组件的增强组件，但是它并不能完全替代AWT组件，这两种组件需要同时出现在一个图形用户界面中。
参数错误，addActionListener的参数是ActionListener类型的，而你调用的this是继承自JFrame的类。
示例2: TreeJavaFilePopupMenu ▲点赞 3▼ importjavax.swing.JMenuItem;//导入方法依赖的package包/类publicTreeJavaFilePopupMenu( FileNavigator navigator){super(navigator);this.opener = navigator.opener; compile =newJMenuItem("Compile File"); run =newJMenuItem("Run File"); addSeparator(); add( ...
开发者ID:mdonnyk,项目名称:the-one-mdonnyk,代码行数:27,代码来源:InfoPanel.java 示例2: getTableCellEditorComponent ▲点赞 3▼ importjavax.swing.JComboBox;//导入方法依赖的package包/类publicComponentgetTableCellEditorComponent(JTable table, Object obj,booleanisSelected,introw,intcol){ ...
* Factory method for create a {@link TrayIcon} object. * * @param imgFilename * the img filename * @param appName * the app name * @param systemTrayPopupMenu * the system tray popup menu * @param actionListeners * the action listeners ...
* Factory method for create a {@link TrayIcon} object. * * @param imgFilename * the img filename * @param appName * the app name * @param systemTrayPopupMenu * the system tray popup menu * @param actionListeners * the action listeners * @return the new {@link TrayIcon}. */ pub...
jp_method.add(jrb_req_patch); jp_method.add(jrb_req_delete); 代码示例来源:origin: stackoverflow.com JRadioButton enableButton = new JRadioButton("Enable"); JRadioButton disableButton = new JRadioButton("Disable"); JTextField field = new JTextField(); RadioListener listener = new RadioListe...
Note the main method starts the event dispatch thread and calls the constructor, so the constructor has to contain enough code to make the GUI appear. I have created that Runnable instance as an anonymous class, which you can read about in the Java™ Tutorials. If you go on to the ...
MouseListener不同于ActionListener。您需要使用后面的