JList.isSelectionEmpty() has the following syntax.
public boolean isSelectionEmpty()
In the following code shows how to use JList.isSelectionEmpty() method.
/*from w ww. j a va 2s. co m*/ import javax.swing.JList; public class Main { public static void main(String[] argv) throws Exception { String[] items = { "A", "B", "C", "D" }; JList list = new JList(items); boolean anySelected = !list.isSelectionEmpty(); } }