java.beans
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Interfaces
Classes
Exceptions
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Last updated 2024-07-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-07-10 UTC."],[[["\u003cp\u003eThe JavaBeans API provides interfaces and classes for manipulating Java Bean properties, events, and introspection.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003ePropertyChangeListener\u003c/code\u003e is triggered when a bean's bound property changes, while \u003ccode\u003eIntrospector\u003c/code\u003e helps developers understand a bean's capabilities.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003ePropertyChangeEvent\u003c/code\u003e signals bound or constrained property changes, and \u003ccode\u003ePropertyChangeSupport\u003c/code\u003e assists beans with bound properties.\u003c/p\u003e\n"],["\u003cp\u003eBean properties are described using \u003ccode\u003ePropertyDescriptor\u003c/code\u003e, while \u003ccode\u003eBeanDescriptor\u003c/code\u003e provides global bean information.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eIntrospectionException\u003c/code\u003e and \u003ccode\u003ePropertyVetoException\u003c/code\u003e represent errors during bean introspection and property changes respectively.\u003c/p\u003e\n"]]],["The content details Java's JavaBeans framework, outlining interfaces, classes, and exceptions. Key components include `BeanInfo`, `PropertyChangeListener`, and descriptors like `BeanDescriptor`, `EventSetDescriptor`, `MethodDescriptor`, and `PropertyDescriptor`. `Introspector` helps identify a bean's properties, events, and methods. `PropertyChangeEvent` and `IndexedPropertyChangeEvent` signal changes in properties. `PropertyChangeSupport` aids beans in managing bound properties, and `PropertyVetoException` signals unacceptable property changes.\n"],null,["Interfaces \n\n|-------------------------------------------------------------------------------------|---------------------------------------------------------------------------------|\n| [BeanInfo](../../../reference/java/beans/BeanInfo.html) | |\n| [PropertyChangeListener](../../../reference/java/beans/PropertyChangeListener.html) | A \"PropertyChange\" event gets fired whenever a bean changes a \"bound\" property. |\n\nClasses \n\n|-----------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [BeanDescriptor](../../../reference/java/beans/BeanDescriptor.html) | Describes a bean's global information. |\n| [EventSetDescriptor](../../../reference/java/beans/EventSetDescriptor.html) | |\n| [FeatureDescriptor](../../../reference/java/beans/FeatureDescriptor.html) | Common base class for Descriptors. |\n| [IndexedPropertyChangeEvent](../../../reference/java/beans/IndexedPropertyChangeEvent.html) | An \"IndexedPropertyChange\" event gets delivered whenever a component that conforms to the JavaBeans™ specification (a \"bean\") changes a bound indexed property. |\n| [IndexedPropertyDescriptor](../../../reference/java/beans/IndexedPropertyDescriptor.html) | |\n| [Introspector](../../../reference/java/beans/Introspector.html) | The `Introspector` is a utility for developers to figure out which properties, events, and methods a JavaBean supports. |\n| [MethodDescriptor](../../../reference/java/beans/MethodDescriptor.html) | Describes a bean's method. |\n| [ParameterDescriptor](../../../reference/java/beans/ParameterDescriptor.html) | |\n| [PropertyChangeEvent](../../../reference/java/beans/PropertyChangeEvent.html) | A \"PropertyChange\" event gets delivered whenever a bean changes a \"bound\" or \"constrained\" property. |\n| [PropertyChangeListenerProxy](../../../reference/java/beans/PropertyChangeListenerProxy.html) | A class which extends the `EventListenerProxy` specifically for adding a `PropertyChangeListener` with a \"bound\" property. |\n| [PropertyChangeSupport](../../../reference/java/beans/PropertyChangeSupport.html) | This is a utility class that can be used by beans that support bound properties. |\n| [PropertyDescriptor](../../../reference/java/beans/PropertyDescriptor.html) | Describes one Java Bean property. |\n| [SimpleBeanInfo](../../../reference/java/beans/SimpleBeanInfo.html) | |\n\nExceptions \n\n|-------------------------------------------------------------------------------------|------------------------------------------------------------|\n| [IntrospectionException](../../../reference/java/beans/IntrospectionException.html) | |\n| [PropertyVetoException](../../../reference/java/beans/PropertyVetoException.html) | Indicates that a proposed property change is unacceptable. |"]]
