1 <%@page import = “java.util.*” %>
2
<%
String s1= request.getParameter(“str1”);
String s2= request.getParameter(“str2”);
str = concatenateStr(s1, s2);
%>
3
)
<%!
String str ;
public String concatenateStr(String s1, String s2){
return s1+s2 ;
}
%>