如何從第二個和第三個獲取子構造函數? 由於 公共抽象最初不起作用?抽象構造函數java
public abstract class First {
public Point position;
public First() {} //how do i make this constructor like an abstract?
// so that it will go get Second constructor or Third
}
public class Second extends First {
public Second (Point x) {
position = x;
}
}
public class Third extends First {
public Third(Point x) {
position = x;
}
}
在這裏看到:[http://stackoverflow.com/a/260755/1083946](http://stackoverflow.com/a/260755/1083946) –