circle.java

经典java教材《java完美经典》一书中源码的完全收集

package shape_package;

public class circle implements shape   //使用到 shape 类
{
   private double r;
   public void setPara(PARAM Obj)  //使用到 PARAM 类
   {
      r = Obj.R;   
   }
   public void drawShape()
   {
      System.out.println("draw a circle with Radius=" + r );      
   }
}