[Java EE] DemoEL

1. Tạo prj DemoEL
2. Tạo trang index.jsp và process.jsp
	index.jsp:
	<h1>Index</h1>
	<form action="process.jsp">
		<table>
			<tr>
				<td>Name</td>
				<td><input name="name" /></td>
			</tr>
			<tr>
				<td>Age</td>
				<td><input name="age" /></td>
			</tr>
			<tr>
				<td></td>
				<td><input type="submit" value="OK" /></td>
			</tr>
		</table>
	</form>

	process.jsp:
	<h1>Process page</h1>
	<h3>Directly recieved value:</h3>
	<h4>Name: ${param.name}</h4>
	<h4>Age: ${param.age}</h4>

3. Tạo Class Person và khai báo 2 hàm dựng
	Thêm String name; int age; rồi refactor

4. Thêm vào bên process.jsp
	<h3>Use Bean to display</h3>
	<jsp:useBean id="person" class="vn.aptech.model.Person" scope="request"/>
	<jsp:setProperty name="person" property="*"/>
	<h4>Name: <jsp:getProperty name="person" property="name"/></h4>
	<h4>Age: <jsp:getProperty name="person" property="age"/></h4>

	<h3>Use EL output name</h3>
	<h4>Name: ${person.name}</h4>
	<h4>Name: ${person.age}</h4>