1. program to demonstrate if statement example 1 , check whether number is equal to 10 or not

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a = 10 Then
            Console.WriteLine("Value of a is equal to 10")
        End If
    End Sub
End Module

2. Program to check whether value of a is greater than 10 or not

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a > 10 Then
            Console.WriteLine("Value of a is greater than 10")
        End If
    End Sub
End Module

3. Program to check whether value of a is less than 10

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a < 10 Then
            Console.WriteLine("Value of a is less than 10")
        End If
    End Sub
End Module

4. program to demonstrate if statement example 4 , check whether number is less than or equal to 10

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a <= 10 Then
            Console.WriteLine("Value of a is less than 10 or equal to 10 ")
        End If
    End Sub
End Module

5. program to demonstrate if statement example 5 , check whether number is greater than or equal to 10

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a >= 10 Then
            Console.WriteLine("Value of a is greater than 10 or equal to 10 ")
        End If
    End Sub
End Module

6. program to demonstrate if statement example 6 , check whether number is not equal to 10

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a <> 10 Then
            Console.WriteLine("Value of a is not equal to 10 ")
        End If
    End Sub
End Module

7. program to demonstrate if-else statement example 1 , check whether number is equal to 10 or not

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a = 10 Then
            Console.WriteLine("Value of a is equal to 10 ")
        Else
            Console.WriteLine("Value of a is not equal to 10 ")
        End If
    End Sub
End Module

8. program to demonstrate if-else statement example 2 , check whether number is greater than 10 or not

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a > 10 Then
            Console.WriteLine("Value of a is greater than 10 ")
        Else
            Console.WriteLine("Value of a is less than or equal to 10 ")
        End If
    End Sub
End Module

9. program to demonstrate if-else statement example 3 , check whether number is less than 10 or not

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a < 10 Then
            Console.WriteLine("Value of a is less than 10 ")
        Else
            Console.WriteLine("Value of a is greater than or equal to 10 ")
        End If
    End Sub
End Module

10. program to demonstrate if-else statement example 4, check whether number is equal to 10 or not

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a <> 10 Then
            Console.WriteLine("Value of a is not equal to 10")
        Else
            Console.WriteLine("Value of a is equal to 10 ")
        End If
    End Sub
End Module

11. program to demonstrate if-else statement example 5, check whether number is greater than 10 or not

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a > 10 Then
            Console.WriteLine("Value of a is greater than 10")
        Else
            Console.WriteLine("Value of a is less than or equal to 10 ")
        End If
    End Sub
End Module

12. program to demonstrate if-else statement example 6, check whether a is less than or equal to 10 or greater than 10

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a < 10 Then
            Console.WriteLine("Value of a is less than 10")
        Else
            Console.WriteLine("Value of a is equal to 10 or greater than 10 ")
        End If
    End Sub
End Module

13. program to demonstrate if-else statement example 7, check whether a is greater than or equal to 10 or less than 10

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a > 10 Then
            Console.WriteLine("Value of a is greater than 10")
        Else
            Console.WriteLine("Value of a is less than 10 or equal to 10")
        End If
    End Sub
End Module

14. program to demonstrate if-else statement example 8, check whether a is greater than or equal to 10 or less than 10 

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a >= 10 Then
            Console.WriteLine("Value of a is greater than 10 or equal to 10")
        Else
            Console.WriteLine("Value of a is less than 10")
        End If
    End Sub
End Module

15. program to demonstrate if-else statement example 9, check whether a is less than or equal to 10 or greater than 10

Imports System

Module Program
    Sub Main(args As String())
        Dim a As Integer
        Console.WriteLine("Enter Value of a")
        a = Convert.ToInt32(Console.ReadLine())
        If a <= 10 Then
            Console.WriteLine("Value of a is less than 10 or equal to 10")
        Else
            Console.WriteLine("Value of a is greater than 10")
        End If
    End Sub
End Module


16. program to input temperature in celsius and check whether it is boiling point of water or not 

Imports System

Module Program
    Sub Main(args As String())
        Dim temp As Integer
        Console.WriteLine("Enter Temperature in Celsius")
        temp = Convert.ToInt32(Console.ReadLine())
        If temp = 100 Then
            Console.WriteLine("It is Boiling Point of Water")
        Else
            Console.WriteLine("It is not Boiling Point of Water")
        End If
    End Sub
End Module

17. program to input marks and check whether student is passed with distinction or not

Imports System

Module Program
    Sub Main(args As String())
        Dim marks As Integer
        Console.WriteLine("Enter Marks of Student")
        marks = Convert.ToInt32(Console.ReadLine())
        If marks >= 75 Then
            Console.WriteLine("Passed with Distinction")
        Else
            Console.WriteLine("Pass")
        End If
    End Sub
End Module

18. program to input age and check whether person is eligible to vote or not

Imports System

Module Program
    Sub Main(args As String())
        Dim age As Integer
        Console.WriteLine("Enter Age of Citizen")
        age = Convert.ToInt32(Console.ReadLine())
        If age >= 18 Then
            Console.WriteLine("Citizen is Eligible to Vote")
        Else
            Console.WriteLine("Citizen is not Eligible to Vote")
        End If
    End Sub
End Module

19. program to input three numbers and find largest of three numbers using if-else statement without using fourth variable

Imports System

Module Program
    Sub Main(args As String())
        Dim a, b, c As Integer
        Console.WriteLine("Enter First Number")
        a = Convert.ToInt32(Console.ReadLine())
        Console.WriteLine("Enter Second Number")
        b = Convert.ToInt32(Console.ReadLine())
        Console.WriteLine("Enter Third Number")
        c = Convert.ToInt32(Console.ReadLine())
        If a > b And a > c Then
            Console.WriteLine(a & " is largest")
        End If
        If b > a And b > c Then
            Console.WriteLine(b & " is largest")
        End If
        If c > a And c > b Then
            Console.WriteLine(c & " is largest")
        End If
    End Sub
End Module

20. program to input three numbers and find largest of three numbers using if-else statement with using fourth variable

Imports System

Module Program
    Sub Main(args As String())
        Dim a, b, c, max As Integer
        Console.WriteLine("Enter First Number")
        a = Convert.ToInt32(Console.ReadLine())
        Console.WriteLine("Enter Second Number")
        b = Convert.ToInt32(Console.ReadLine())
        Console.WriteLine("Enter Third Number")
        c = Convert.ToInt32(Console.ReadLine())
        max = a
        If b > max Then
            max = b
        End If
        If c > max Then
            max = c
        End If
        Console.WriteLine(max & " is largest")
    End Sub
End Module

21. program to input three numbers and find smallest of three numbers using if-else statement without using fourth variable

Imports System

Module Program
    Sub Main(args As String())
        Dim a, b, c As Integer
        Console.WriteLine("Enter First Number")
        a = Convert.ToInt32(Console.ReadLine())
        Console.WriteLine("Enter Second Number")
        b = Convert.ToInt32(Console.ReadLine())
        Console.WriteLine("Enter Third Number")
        c = Convert.ToInt32(Console.ReadLine())
        If a < b And a < c Then
            Console.WriteLine(a & " is smallest")
        End If
        If b < a And b < c Then
            Console.WriteLine(b & " is smallest")
        End If
        If c < a And c < b Then
            Console.WriteLine(c & " is smallest")
        End If
    End Sub
End Module

22. program to input three numbers and find smallest of three numbers using if-else statement with using fourth variable

Imports System

Module Program
    Sub Main(args As String())
        Dim a, b, c, min As Integer
        Console.WriteLine("Enter First Number")
        a = Convert.ToInt32(Console.ReadLine())
        Console.WriteLine("Enter Second Number")
        b = Convert.ToInt32(Console.ReadLine())
        Console.WriteLine("Enter Third Number")
        c = Convert.ToInt32(Console.ReadLine())
        min = a
        If b < min Then
            min = b
        End If
        If c < min Then
            min = c
        End If
        Console.WriteLine(min & " is smallest")
    End Sub
End Module

23. program to demonstrate if-else statement and (check whether marks are between 80 and 90)

Imports System

Module Program
    Sub Main(args As String())
        Dim marks As Integer
        Console.WriteLine("Enter marks of student")
        marks = Convert.ToInt32(Console.ReadLine())
        If marks >= 80 And marks <= 90 Then
            Console.WriteLine("Marks are between 80 and 90")
        Else
            Console.WriteLine("Marks are not between 80 and 90")
        End If
    End Sub
End Module

24. program to demonstrate if-else statement program to demonstrate if or (check whether marks are equal to either 80 or 90)

Imports System

Module Program
    Sub Main(args As String())
        Dim marks As Integer
        Console.WriteLine("Enter marks of student")
        marks = Convert.ToInt32(Console.ReadLine())
        If marks = 80 Or marks = 90 Then
            Console.WriteLine("Marks are either 80 or 90")
        Else
            Console.WriteLine("Marks are neither 80 nor 90")
        End If
    End Sub
End Module

25. program to input a character and check whether it is equal to a or b using if statement example of OR  operator

Imports System

Module Program
    Sub Main(args As String())
        Dim ch As Char
        Dim a As String
        Console.WriteLine("Enter a Character")
        a = Console.ReadLine()
        ch = Convert.ToChar(a)
        If ch = "a" Or ch = "b" Then
            Console.WriteLine("Character is either a or b")
        Else
            Console.WriteLine("Character is neither a nor b")
        End If
    End Sub
End Module

26. program to compute grade of a student based on marks using if else statement

Imports System

Module Program
    Sub Main(args As String())
        Dim marks As Integer
        Dim grade As String
        Console.WriteLine("Enter Marks of Student")
        marks = Convert.ToInt32(Console.ReadLine())
        If marks >= 80 And marks <= 100 Then
            grade = "A"
        ElseIf marks >= 70 And marks < 80 Then
            grade = "B"
        ElseIf marks >= 60 And marks < 70 Then
            grade = "C"
        Else
            grade = "D"
        End If
        Console.WriteLine("Grade is " & grade)
    End Sub
End Module

27. program to check whether number entered is odd or even using if-else statement

Imports System

Module Program
    Sub Main(args As String())
        Dim num As Integer
        Console.WriteLine("Enter Number ")
        num = Convert.ToInt32(Console.ReadLine)
        If num Mod 2 = 0 Then
            Console.WriteLine("Number is Even")
        Else
            Console.WriteLine("Number is Odd")
        End If
    End Sub
End Module

28. program to input two numbers a and b and check whether a is divisible by b or not using if-else

Imports System

Module Program
    Sub Main(args As String())
        Dim a, b As Integer
        Console.WriteLine("Enter First Number")
        a = Convert.ToInt32(Console.ReadLine)
        Console.WriteLine("Enter Second Number")
        b = Convert.ToInt32(Console.ReadLine())
        If a Mod b = 0 Then
            Console.WriteLine("First Number is Divisible by Second Number")
        Else
            Console.WriteLine("First Number is not Divisible by Second Number")
        End If
    End Sub
End Module

29. program to check whether user has entered vowel or not using if-else statement

Imports System

Module Program
    Sub Main(args As String())
        Dim a As String
        Dim b As Char
        Console.WriteLine("Enter a Character")
        a = Console.ReadLine()
        b = Convert.ToChar(a)
        If b = "a" Or b = "e" Or b = "i" Or b = "o" Or b = "u" Then
            Console.WriteLine("Character is vowel")
        Else
            Console.WriteLine("Character is not vowel")
        End If
    End Sub
End Module

30. program to calculate discount on a price,if price is above 1000 then discount is 10% otherwise 5 %

Imports System

Module Program
    Sub Main(args As String())
        Dim price, discount As Double
        Console.WriteLine("Enter Price of Item")
        price = Convert.ToDouble(Console.ReadLine())
        If price >= 1000 Then
            discount = 0.1 * price
        Else
            discount = 0.05 * price
        End If
        Console.WriteLine("Discount is " & discount)
    End Sub
End Module

31. program to demonstrate switch-case statement example 1, displaying day of the week

Imports System

Module Program
    Sub Main(args As String())
        Dim day As Integer
        Console.WriteLine("Enter day of Week")
        day = Convert.ToInt32(Console.ReadLine())
        Select Case day
            Case 1
                Console.WriteLine("Monday")
            Case 2
                Console.WriteLine("Tuesday")
            Case 3
                Console.WriteLine("Wednesday")
            Case 4
                Console.WriteLine("Thursday")
            Case 5
                Console.WriteLine("Friday")
            Case 6
                Console.WriteLine("Saturday")
            Case 7
                Console.WriteLine("Sunday")
            Case Else
                Console.WriteLine("Enter a day between 1 and 7")
        End Select
    End Sub
End Module

32. program to demonstrate switch-case statement example 1, displaying month of year

Imports System

Module Program
    Sub Main(args As String())
        Dim month As Integer
        Console.WriteLine("Enter month of Year")
        month = Convert.ToInt32(Console.ReadLine())
        Select Case month
            Case 1
                Console.WriteLine("January")
            Case 2
                Console.WriteLine("February")
            Case 3
                Console.WriteLine("March")
            Case 4
                Console.WriteLine("April")
            Case 5
                Console.WriteLine("May")
            Case 6
                Console.WriteLine("June")
            Case 7
                Console.WriteLine("July")
            Case 8
                Console.WriteLine("August")
            Case 9
                Console.WriteLine("September")
            Case 10
                Console.WriteLine("October")
            Case 11
                Console.WriteLine("November")
            Case 12
                Console.WriteLine("December")
            Case Else
                Console.WriteLine("Enter a month between 1 and 12")
        End Select
    End Sub
End Module

13. calculate da,hra based on basic example of if-else statement
basic between 4000 and 8000
hra=30% da=25%
basic between 2500 and 4000
hra=25% da=20%
basic less than 2500
hra=20% da=15%
netpay=basic+hra+da

Imports System

Module Program
    Sub Main(args As String())
        Dim basic, hra, da, netpay As Double
        Console.WriteLine("Enter Basic Salary")
        basic = Convert.ToInt32(Console.ReadLine())
        If basic >= 4000 And basic <= 8000 Then
            hra = 0.3 * basic
            da = 0.25 * basic
        ElseIf basic >= 2500 And basic < 4000 Then
            hra = 0.25 * basic
            da = 0.2 * basic
        Else
            hra = 0.2 * basic
            da = 0.15 * basic
        End If
        netpay = basic + da + hra
        Console.WriteLine("Basic Salary is " & basic)
        Console.WriteLine("Dearness Allowance is " & da)
        Console.WriteLine("House Rent Allowance is " & hra)
        Console.WriteLine("Net Salary is " & netpay)
    End Sub
End Module

14. program to convert fahrenheit temp to celsius

Imports System

Module Program
    Sub Main(args As String())
        Dim temp, conv As Double
        Console.WriteLine("Enter Temperature in Celsius")
        temp = Convert.ToDouble(Console.ReadLine())
        conv = (temp * 1.8) + 32
        Console.WriteLine("Temperature in Fahrenheit is " & conv)
    End Sub
End Module

15. program to convert celsius temp to fahrenheit 

Imports System

Module Program
    Sub Main(args As String())
        Dim temp, conv As Double
        Console.WriteLine("Enter Temperature in Fahrenheit")
        temp = Convert.ToDouble(Console.ReadLine())
        conv = (temp - 32) / 1.8
        Console.WriteLine("Temperature in Celsius is " & conv)
    End Sub
End Module

16. program to input a character and check whether it is a vowel or not using select case statement

Imports System

Module Program
    Sub Main(args As String())
        Dim ch As Char
        Console.WriteLine("Enter a Character")
        ch = Convert.ToChar(Console.ReadLine())
        Select Case ch
            Case "a"
                Console.WriteLine("You entered a vowel")
                Exit Select
            Case "e"
                Console.WriteLine("You entered a vowel")
                Exit Select
            Case "i"
                Console.WriteLine("You entered a vowel")
                Exit Select
            Case "o"
                Console.WriteLine("You entered a vowel")
                Exit Select
            Case "u"
                Console.WriteLine("You entered a vowel")
                Exit Select
            Case Else
                Console.WriteLine("You have not entered a vowel")
        End Select
    End Sub
End Module

17. program to input a character and check whether it is a vowel or not using switch statement

Imports System

Module Program
    Sub Main(args As String())
        Dim year As Integer
        Console.WriteLine("Enter a Year")
        year = Convert.ToInt32(Console.ReadLine())
        If year Mod 100 = 0 And year Mod 400 = 0 Then
            Console.WriteLine("It is a Leap Year")
        Else
            If year Mod 4 = 0 Then
                Console.WriteLine("It is a Leap Year")
            Else
                Console.WriteLine("It is not a Leap Year")
            End If
        End If
    End Sub
End Module