// Learning Processing
  // Daniel Shiffman
  // http://www.learningprocessing.com
  
  // Example 18-11: Yahoo search visualization
  
  // Simple "Bubble" class to represent each search
  class Bubble {
    
    String search;
    float x,y,r;
    
    Bubble(String search_, float r_, float x_, float y_) {
      search = search_;
      r = r_;
      x = x_;
      y = y_;
    }
    
    void display() {
      stroke(0);
      fill(0,50);
      ellipse(x, y, r, r);
      textAlign(CENTER);
      fill(0);
      text(search,x,y);
    }
  }