我已經搜索了幾個小時,但我沒有找到一個解決方案:斯卡拉:如何實現Java類與多個構造
我想實現擴展有不同的構造函數的Java類Scala的類:
Java類(JGoodies數據):
public abstract class AbstractTableAdapter<E>
extends AbstractTableModel implements ListModelBindable
的構造函數:
AbstractTableAdapter()
AbstractTableAdapter(ListModel listModel)
AbstractTableAdapter(String... columnNames)
AbstractTableAdapter(ListModel listModel, String... columnNames)
的ListModel的是一個通用的接口,如果該事項:
public interface ListModel<E>
我試着在斯卡拉2.11:
class LibraryListTableModel(listModel: SelectionInList[Book], columnNames: Array[String]) extends AbstractTableAdapter[Book](listModel, columnNames) {
def this() = this(null, null)
def this(listModel: SelectionInList[Book]) = this(null, null)
def this(columnNames: Array[String]) = this(null, null)
}
,但它給出了這個錯誤信息:
error: overloaded method constructor AbstractTableAdapter with alternatives:
[INFO] (x$1: javax.swing.ListModel[_],x$2: String*)com.jgoodies.binding.adapter.AbstractTableAdapter[eu.eyan.idakonyvtar.model.Book] <and>
[INFO] (x$1: String*)com.jgoodies.binding.adapter.AbstractTableAdapter[eu.eyan.idakonyvtar.model.Book]
[INFO] cannot be applied to (com.jgoodies.binding.list.SelectionInList[eu.eyan.idakonyvtar.model.Book], Array[String])
[INFO] extends AbstractTableAdapter[Book](listModel, columnNames) {
[INFO] ^
[ERROR] one error found
我覺得String...
原因問題.. 是否有可能擴展這樣一個抽象類? 感謝: 安德拉什
非常感謝您! – Andras