Write last 6 PHP Programs for File

<?php

    $email="example@gmail.com";
    echo "Domain: ". strstr($email,"@");
    echo "<br>Username :". strstr($email,"@",true);
?>
   
NEXT PROGRAM : 
<?php
    
    $mobile ="+91723456789";
    echo "<br>C Code :". substr($mobile,0,3);
    echo "<br>M No :". substr($mobile,3);
?>

First 4 Console Applications in VB.NET

Module Prog1

    Sub Main()

        Dim a, b As Integer
        Dim ans As Decimal

        Console.WriteLine("Enter First Value")
        a = Console.ReadLine()

        Console.WriteLine("Enter Sec Value")
        b = Console.ReadLine()

        ans = a + b
        Console.WriteLine("Your Addition Ans = " & ans)

        ans = a - b
        Console.WriteLine("Your Subtract Ans = " & ans)