html>
head>
title>this is java page/title>
/head>
body>
!--显示注释  注释内容 -->

% 
 
int x=10;
int y=20;
String str=request.getParameter("info");
out.println("h1>"+str+"/h1>");
out.println("h1>"+(x+1)+"/h1>");
out.println("h2>"+y+"/h2>");

%>

/body>

/html>

html>
head>
title>this is java page/title>
/head>
body>
!--显示注释  注释内容 -->

%!
 public static final int x=10;

%>
%!
 public int add(int x,int y)
 {
   return x+y;
 }
%>

%!
class person
{
 private String name;
 private int age;
 public person(String name,int age)
 {
  this.name=name;
  this.age=age;
  }

  public String toString()
 {
  return "name="+name+",age="+age;
  }

}


%>
%!
public int li=20;

%>
%
  person p=new person("test",10);
  out.println(p);
  out.println(li);
  out.println(add(x,20));
%>
%
 int b=10;
 out.println(b);
%>
/body>

/html>

html>
head>
title>this is java page/title>
/head>
body>
!--显示注释  注释内容 -->

% 
 
int x=10;
int y=20;
String str=request.getParameter("info");

%>
%=x%>
%=y%>
%="strinsssa"%>
/body>

/html>