The constructor Timer(int, new ActionListener(){}) is undefined
報這個錯很鬱悶，因爲在同一個包下另一個類中好好的，粘貼過來就報錯了。按F3進入源碼查看，點進去直接是類，而不是構造方法，ctrl+o查看其所有成員，發現並無該構造方法，只有一無參構造。遂懷疑是導包導錯所致，果真。 應該導入的是swing包下的，ctrl+shift+o默認導包導錯所致。
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相關文章
- 1. The constructor ActionEnter(HttpServletRequest, String) is undefined
- 2. The constructor ResultObj(Integer, String) is undefined
- 3. The method setDefaultCloseOperation(int) is undefined for the type
- 4. The method identifyUser(Arrays.asList("group001"), String, new HashMap<>()) is undefined for the typ
- 5. The method getTextContent() is undefined ?
- 6. javax.xml.ws.Service 報錯The constructor Service(URL, QName, WebServiceFeature[]) is undefined的解決方案
- 7. The constructor BASE64Decoder() is not accessible
- 8. 處理Vue is a constructor and should be called with the `new` keyword
- 9. Baseline is the new old
- 10. 關於Implicit super constructor is undefined. Must explicitly invoke another constructor