circletest.java

来自「黑魔方JSP基础教程源代码(耿祥义编著)是这里有课件和jsp源代码」· Java 代码 · 共 19 行

import java.io.*;
public class CircleTest  
{ int radius;
  public CircleTest()
     { radius=234;
     }
  public int getRadius()
     { return radius;
     }
  public void setRadius(int newRadius)
     {radius=newRadius;
     }
  public double circleArea()
     {return Math.PI*radius*radius;
     }
  public double circlLength()
     {return 2.0*Math.PI*radius;
     }
}