【多项选择题】
Given：<br /> <img src="https://img.ppkao.com/2018-08/wenxueying/2018080109550671577.png" /><br /> Which two classes use the Shape class correctly？（）<p> Given：<br /> <img src="https://img.ppkao.com/2018-08/wenxueying/2018080109550671577.png" /><br /> Which two classes use the Shape class correctly？（）</p>
A、A.public class Circle implements Shape {private int radius；}
B、B.public abstract class Circle extends Shape {private int radius；}
C、C.public class Circle extends Shape {private int radius；public void draw（）；}
D、D.public abstract class Circle implements Shape { private int radius；public void draw（）；}
E、E.public class Circle extends Shape {private int radius；public void draw（） {/* code here*/}}
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