求助:构造方法私有化后如何在子类创建对象?
public   class   A{

  private   A(){}
}
class   B{
public   static   void   main   (String   args[]){
}
}
怎么修改才能在B类中创建对象?

------解决方案--------------------
public class A{

private A(){}

public void getInstance(){
new A();
}
}