import java.awt.*; import java.awt.event.*; import java.io.Serializable; class MyApp implements ActionListener, Serializable { BigObjectThatShouldNotBeSerializedWithAButton bigOne; Button aButton = new Button(); MyApp() { // Oops, now aButton has a listener with a reference // to bigOne!
Subclasses of JComponent in javax.swing.plaf.metal 变量和类型类描述 class MetalComboBoxButton JButton子类帮助MetalComboBoxUI class MetalComboBoxUI.MetalComboPopup 已过时。 截至Java 2平台v1.4。 protected class MetalFileChooserUI.FileRenderer 已过时。 从JDK版本9开始。 class MetalFileChooserUI.Filt...
This Swing Java Tutorial describes developing graphical user interfaces (GUIs) for applications and applets using Swing components
This class was introduced in JavaServer Faces Technology 1.2. EditableValueHolder: Extends ValueHolder and specifies additional features for editable components, such as validation and emitting value-change events. NamingContainer: Mandates that each component rooted at this component have a unique ID. ...
A RecordComponent provides information about, and dynamic access to, a component of a record class.C# Копиране [Android.Runtime.Register("java/lang/reflect/RecordComponent", ApiSince=34, DoNotGenerateAcw=true)] public sealed class RecordComponent : Java.Lang.Object, IDisposable, ...
建议使用 requestFocusInWindow(boolean)。若要了解有关焦点的更多信息,请参阅 The Java Tutorial 中的How to Use the Focus Subsystem 一节。 覆盖: 类Component 中的requestFocus 参数: temporary - boolean 值,指示焦点更改是否为临时的 返回: 如果焦点更改请求一定会失败,则返回 false;如果有可能成功,则返回...
@ComponentScan注解最核心的功能就是Spring IOC容器在刷新的时候会扫描对应包下标注了@Component注解、@Configuration注解、@Repository注解、@Service注解和@Controller等等注解的类,生成扫描到的类的Bean定义信息,整体流程与注册ConfigurationClassPostProcessor类的Bean定义信息的流程基本一致,最终都会将其保存到BeanFactory中的...
classMyComponentextendsHTMLElement{constructor(){super();this.props={};}staticgetobservedAttributes(){return['foo'];}attributeChangedCallback(name,oldValue,newValue){this.updateProps(name,newValue);}getfoo(){returnthis.props.foo;// 从 props 对象中获取值}setfoo(val){this.updateProps('foo',val...
If the components provided by the Java UI framework cannot meet your requirements, you can create custom components by adding draw tasks and defining the attributes and events for the components.Common APIs Table 1 Methods related to the Component class Method Description setEstimateSizeListener Se...
Class the Class representing the component type of this class if this class is an array Attributes RegisterAttribute Remarks Returns the Class representing the component type of an array. If this class does not represent an array class this method returns null. Added in 1.1. Java documentation...