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 */ } }

时间:2022-11-01 00:29:47 所属题库:SCJP程序员认证考试题库

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