The first HELLOWORLD for HTML file
this is title </ title></p>
<p></ hEAD></p>
<p><center> HelloWorld </ center></p>
<p></ html></p>
<p>The following is a server-based technology</p>
<p>The second is CGI written in C language.</p>
<p>#include <stdio.h></p>
<p>void main ()</p>
<p>{</p>
<p>Printf ("Content-Type: Text / HTML / N / N");</p>
<p>Printf ("<center> HelloWorld </ center>");</p>
<p>}</p>
<p>Compiled into HelloWorld.exe to access by http: // xxx.</p>
<p>The third is CGI written in Perl language.</p>
<p>Print "Content-Type: TEXT / HTML / N / N");</p>
<p>Print "<center> HelloWorld </ center>");</p>
<p>However, this doesn't have to be compiled, and the operation is explained directly by the Perl interpreter.</p>
<p>The fourth is to implement the ASP, it can be seen that he is more simpler than the CGI.</p>
<p><%</p>
<p>Str = "HelloWorld"</p>
<p>%></p>
<p><center> <% = STR%> </ CNETER></p>
<p>The fifth is the JSP implementation, it can be seen that the ASP is almost the same.</p>
<p><%</p>
<p>String str = "helloworld";</p>
<p>%></p>
<p><center> <% = STR%> </ center></p>
<p>The difference between ASP and JSP is that the ASP is explained, and JSP is compiled into the first time.</p>
<p>SERVELET, no need to compile again, so JSP is fast than ASP.</p>
<p>If there is any mistake above, it is also desirable.</p></div><div class="text-center mt-3 text-grey">
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