Java Swing - 如何確定是否存在任何選擇的項目

我們想知道如何確定是否存在任何選擇的項目。


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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();
  }
}
 
 
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Java Swing - 如何確定是否存在任何選擇的項目