Hello JSP
Need:
Java code inside HTML.
Step : Run on server
Writing java code:
Way 1: using <% . .... %>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>Hello</h1>
<%
int i = 3;
int j = 8;
int k = 3 + 8;
out.println("Value of k is " + k);
%>
</body>
</html>Way 2: using <%=%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>Hello</h1>
<%
int i = 3;
int j = 8;
int k = i + j;
out.println("Value of k is " + k);
%>
<%
int l = 3;
int m = 12;
int n = l + m;
%>
Value of n is
<%=n%>
</body>
</html>
Way 3 : <%!...%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>Hello</h1>
<%!public int sum(int a, int b) {
return a + b;
}%>
Value of sum of 67 and 89 is
<%=sum(67, 89)%>
<br>
<%
int i = 3;
int j = 8;
int k = i + j;
out.println("Value of k is " + k);
%>
<br>
<%
int l = 3;
int m = 12;
int n = l + m;
%>
Value of n is
<%=n%>
</body>
</html>
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