<%@ page import="java.util.Map" %>
<%@ page import="java.util.Arrays" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
//sampleStart
Map map = request.getParameterMap();
StringBuilder result = new StringBuilder("");
if (!map.isEmpty()) {
for (Object key: map.keySet()) {
String[] value= (String[]) map.get(key);
result.append(key).append("=").append(Arrays.toString(value)).append(" ");
}
}
//sampleEnd
%>
<%=(result.toString().isEmpty()) ? "Введите параметры в URL" : result%>