graphicarea.java

java课件及例程有一些PPT及一些例程

//GraphicArea.java
import java.lang.Math;
public class GraphicArea
{
    double area(double x)
    {
        return(Math.PI*x*x);
    }
    double area(double x,double y)
    {
        return(x*y);
    }
    double area(double x,double y,double z)
    {
        return(z*(x+y)/2);
    }
    public static void main(String args[])
    {
        GraphicArea area1 = new GraphicArea();
        
        System.out.println("area1.area(3.0) = "+area1.area(3.0) );
        System.out.println("area1.area(3.0,2,0) = "+area1.area(3.0,2.0));
        System.out.println("area1.area(4.0,8.0,6.0) = "+area1.area(4.0,8.0,6.0));

    }
}