Hello World 

print("hello world")

printf("hello world");

system.out.println("hello world");

cout<<"HelloWorld\n";

<?
    each "HelloWorld";
?>

<!DOCTYPE html>
<html >
<head>
    <meta charset="UTF-8">
    <title> helloworld</title>
    
</head>
<body>
    helloworld
</body>
</html>

<script type="text/javascript">
          document.write("Hello World!");
     </script>
posted @ 2020-02-24 19:03  身为风帆终有岸  阅读(91)  评论(0)    收藏  举报