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F:\tomcat\Tomcat 6.0\webapps\ROOT\WEB-INF\classes\tom
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Java code:
package tom;
import java.io.*;
public class Circle
{
int radius;
public Circle()
{
radius=1;
}
public int getRadius()
{
return radius;
}
public void setradius(int n)
{
radius=n;
}
public double circleArea()
{
return Math.PI*radius*radius;
}
public double circlelength()
{
return Math.PI*2*radius;
}
}
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HTML code:
<%@page contentType="text/html;charset=GBK"%>
<%@page import="tom.jiafei.Circle"%>
<html><body bgcolor=cyan><font size=3>
<jsp:useBean id="circle" class="tom.Circle" scope="page"/>
<%
circle.setradius(8
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