listing7.2.java

java 完全探索的随书源码

import java.awt.*;

public class Circle {
  public int radius, area;
  public Color borderColor;
  ...
}

class GraphicalInterface {
  Circle ball;
  ...
  void animateBall() {
    for (int updateRadius = 0; updateRadius <= 10; updateRadius++){
      ball.radius = updateRadius;
      paintBall(ball.area, ball.borderColor);
      ...
    }
  }

  void paintBall(int area,Color color){
    ...
  }
}