1<code java>
2/**
3 * The HelloWorldApp class implements an application that
4 * simply displays "Hello World!" to the standard output.
5 */
6class HelloWorldApp {
7    public static void main(String[] args) {
8        System.out.println("Hello World!"); //Display the string.
9    }
10}
11</code>
12
13<code pascal>
14for i:=maxint to 0 do
15begin
16{ do nothing }
17end;
18Write('Case insensitive');
19Write('Pascal keywords.');
20</code>
21
22<php>
23echo "Hello, Dokuwiki!";
24</php>
25
26<PHP>
27echo "Hello again, Dokuwiki!;
28</PHP>
29
30<html>
31I am <strong>strong</strong>
32</html>
33
34<HTML>
35I am <strong>stronger</strong>
36</HTML>
37
38<file php myexample.php>
39<?php echo "hello world!"; ?>
40</file>
41<code php myexample.php>
42<?php echo "hello world!"; ?>
43</code>