valuechangelistener.java

JAVA图形界面算平均值 方差 简单的JTREE是应用

package model;

import java.util.EventListener;

public interface ValueChangeListener extends EventListener{
	/**
	 * Called when the list is changed.
	 * @param evt the ValueEvent object
	 */
	public void valuesChanged(ValueEvent evt);
	
	/** Called when values have been added
	 * @param evt the ValueEvent object
	 */
	public void valuesAdded(ValueEvent evt);
	
	/** Called when values have been removed
	 * @param evt the ValueEvent object
	 */
	public void valuesRemoved(ValueEvent evt);
}