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多项选择题 public abstract class Shape {  private int x；  private int y；  public abstract void draw（）；  public void setAnchor（int x， int y） {  this.x = x；  this.y = y；  }  }  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 */} }

F、 public abstract class Circle implements Shape { private int radius；public void draw（） { / code here */ } }

  • B,E

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