app8_15.java

JAVA 2面向对象程序设计(随书范例程序)7-9.rar.rar

// app8_15, 传递对象数组到method 
class CCircle   // 定义类CCircle
{
   private static double pi=3.14;   
   private double radius;
 
   public CCircle(double r){ 
      radius=r;
   }
   
   public static double compare(CCircle c[])  // compare() method
   {
      double max=0.0;
      for(int i=0;i<c.length;i++)
         if(c[i].radius>max)
            max=c[i].radius;
      return max;
   }
}

public class app8_15
{
   public static void main(String args[])
   {
      CCircle cir[];
      cir=new CCircle[3];
      cir[0]=new CCircle(1.0);
      cir[1]=new CCircle(4.0); 
      cir[2]=new CCircle(2.0); 

      System.out.println("Largest radius = "+CCircle.compare(cir)); 
   }
}