import java.lang.reflect.*;
class Rect
{
double width,height,area;
public double getArea()
{
area=width*height;
return area;
}
}
public class hello {
public static void main(String[] args)
{
// TODO Auto-generated method stub
Rect rect=new Rect();
Class cs=rect.getClass();
String classname=cs.getName();
Constructor[] cons=cs.getDeclaredConstructors();
Field[] fields=cs.getDeclaredFields();
Method[] methods=cs.getDeclaredMethods();
System.out.println("类名是："+classname);
System.out.println("/n构造函数是：");
for(int i=0;i<cons.length;i++)
{
System.out.println("/n"+cons[i].toString());
}
System.out.println("/n成员变量：");
for(int i=0;i<fields.length;i++)
{
System.out.println("/n"+fields[i].toString());
}
System.out.println("/n方法：");
for(int i=0;i<methods.length;i++)
{
System.out.println("/n"+methods[i].toString());
}
}
}
