JSP 면접 질문과 답변

Question: What is the difference between variable declared inside a declaration and variable declared in scriplet?

Answer: Variable declared inside declaration part is treated as a instance variable and will be placed directly at class level in the generated servlet.
<%! int k = 10; %>
Variable declared in a scriptlet will be placed inside _jspService() method of generated servlet.It acts as local variable.
<%
int k = 10;
%>