https://DevOpsCloud.io -- Cloud Monk Losang Jinpa, Ph.D., MCSE/MCT, GitOps DevOps Engineer

Java PropertyChangeListener is an interface that listens for changes to properties in Java beans. It defines the Java method Java propertyChange(), which is called whenever a property of an object is modified. Introduced in Java 1997 with Java 1.1, PropertyChangeListener is part of Java's java.beans package and is useful for applications that implement data binding, event-driven programming, and UI frameworks that react to property changes.

https://docs.oracle.com/javase/8/docs/api/java.beans/PropertyChangeListener.html