new04.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h3>以直角三角形的形式显示数字</h3>
<%
    for(int i=1;i<10;i++)
    {
        for(int j=1;j<=i;j++)
        {
            out.println(j + " ");
        }
        out.println("<br/>");
    }
%>
<hr>
<h3>随机产生不同的问候</h3>
<%
    if(Math.random() < 0.5)
    {
        out.println("今天是个好天气");
    }
    else
    {
        out.println("今天是个坏天气");
        
    }
%>
</body>
</html>