多做题,通过考试没问题!

Java认证考试

睦霖题库>其他计算机考试>Java认证考试

public abstract class Shape {  int x;  int y;  public abstract void draw();  public void setAnchor(int x, int y) {  this.x = x;  this.y = y;  }  }  and a class Circle that extends and fully implements the Shape class. Which is correct?() 

  • A、 Shape s = new Shape(); s.setAnchor(10,10); s.draw();
  • B、 Circle c = new Shape(); c.setAnchor(10,10); c.draw();
  • C、 Shape s = new Circle(); s.setAnchor(10,10); s.draw();
  • D、 Shape s = new Circle(); s->setAnchor(10,10); s->draw();
  • E、 Circle c = new Circle(); c.Shape.setAnchor(10,10); c.Shape.draw();
正确答案:C
答案解析:
进入题库查看解析

微信扫一扫手机做题