JAVA
JAVA Example:
class First
{
    public static void main(String... s)
    {
        System.out.println("hello");
    }
}
C
C Example:
#include<stdio.h>
int main() 
{
   // printf() displays the string inside quotation
   printf("Hello, World!");
   return 0;
}
Python
Python Example:
# This program prints Hello, world!

print('Hello, world!')

Php
Php Example:
<html>
<body>

<h1>My first PHP page</h1>

<?php
echo "Hello World!";
?>
</body>
</html>

C++
HTML
Css
Android
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