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我有一個jtabbedpane,我試圖記錄標籤更改時。我已經使用一個變化監聽嘗試,但它似乎並沒有被解僱java jtabbedpane not firing changelistener
import javax.swing.event.ChangeListener;
import javax.swing.event.ChangeEvent;
tabbedPane.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
JTabbedPane sourceTabbedPane = (JTabbedPane) e.getSource();
int index = sourceTabbedPane.getSelectedIndex();
System.out.println("Tab changed to: " + index);
}
});
代碼不會似乎被稱爲印刷沒有出現
可能重複的[JTabbedPane ChangeListener](https://stackoverflow.com/questions/6799731/jtabbedpane-changelistener) – Colonder
那一個是要求它是否被多次解僱,礦山不是被解僱了 –