Prestwood IT: VB.Net Comparison Operators (=, <>) (VB.Net Language)

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► KB ► Programming ► VB.Net ► Language Basics

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From the December 2009 Issue of Prestwood eMag

VB.Net Language Basics:

VB.Net Comparison Operators (=, <>)

By Mike Prestwood

Posted 15 years ago on 1/16/2009

VB.Net Code Snippet:

To/From Code Guide: VB.Net Comparison Op... vs. Other Languages

A flashcard from our VB.Net Flashcards Library

A code snippet from our VB.Net Code Snippets Page

Tags: VB.Net , Comparison Operators

KB101814

General Info: Round Floating Point Numbers

When comparing floating point numbers, make sure you round to an acceptable level of rounding for the type of application you are using.

Languages Focus: Comparison Operators

A comparison operator compares two values either literals as in "Hello" and 3 or variables as in X and Counter. Most languages use the same operators for comparing both numbers and strings. Perl, for example, uses separate sets of comparison operators for numbers and strings.

VB.Net Comparison Operators

Save as VB Classic. Common comparison operators:

=	equal
<>	not equal
<	less than
>	greater than
<=	less than or equal
>=	greater than or equal

Syntax Example:

//Does VB.Net evaluate the math correctly? No!

If 0.1 + 0.1 + 0.1 = 0.3 Then
  MessageBox.Show("correct")
Else
  MessageBox.Show("not correct")
End If

More Info

Tip:	Round Floating Point Numbers


Comments 1 Comments. Share a thought or comment...

PS_4372

Comment 1 of 1

@geometry dash This code is too old for my computer configuration

Posted 99 days ago

Code Contributed By Mike Prestwood:

Mike Prestwood is a drummer, an author, and creator of the PrestwoodBoards online community. He is the President & CEO of Prestwood IT Solutions. Prestwood IT provides Coding, Website, and Computer Tech services. Mike has authored 6 computer books and over 1,200 articles. As a drummer, he maintains play-drums.com and has authored 3 drum books. If you have a project you wish to discuss with Mike, you can send him a private message through his PrestwoodBoards home page or call him 9AM to 4PM PST at 916-726-5675 x205.

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Linked Certification Question(s)

The following are practice certification questions with answers highlighted. These questions were prepared by Mike Prestwood and are intended to stress an important aspect of this KB post. All our practice questions are intended to prepare you generally for passing any certification test as well as prepare you for professional work.

Beginner

1 Beginner Level Question

Question #1: Multiple Choice

Which code statement is the correct use of the comparison operator?

Answer:

If x == True Then

  MessageBox.Show("x is true")

End If

If (x = True)

  MessageBox.Show("x is true")

End If

If x = True Then

  MessageBox.Show("x is true")

End If

If (x == True)

  MessageBox.Show("x is true")

End If

If (x == True) Then

  MessageBox.Show("x is true")

End If

KB Article #101814 Counter

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Since 1/16/2009