JSP Tutorial Scriptlets标签的区别

Question

请有人解释＆lt;％！之间的区别...％＆gt; 和＆lt;％...％＆gt; 标签

<%!

     String str2 = "xyz";    
     String mainMenuItems=Resources.get("sample_variyable");      

     %>     

     <% 
      String path= "samplePath"; 

     %>

Answer 1

<% ... %> =＆gt; Scriplets

<%! ... %> =＆gt;声明