问题:
Given:
Which two classes use the Shape class correctly?()
A . public class Circle implements Shape {private int radius;}
B . public abstract class Circle extends Shape {private int radius;}
C . public class Circle extends Shape {private int radius;public void draw();}
D . public abstract class Circle implements Shape { private int radius;public void draw();}
E . public class Circle extends Shape {private int radius;public void draw() {/* code here*/}}
Given:
Which two classes use the Shape class correctly?()
● 参考解析
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