What Are Variable Naming Rules

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What are the variable naming rules of Visual Basic, Python, and Java?

Visual Basic You must use a letter as the first character. You can't use a space, period (.), exclamation mark (!), or the characters @, &, $, # in the name. Name can't exceed 255 characters in length. Generally, you shouldn't use any names that are the same as the functions, statements and methods in Visual Basic. You end up shadowing the same keywords in the language. To use an intrinsic language function, statement, or method that conflicts with an assigned name, you must explicitly identify it.

Python Must begin with a letter (a - z, A - B) or underscore (_) Other characters can be letters, numbers or _ Case Sensitive Can be any (reasonable) length There are some reserved words, which you cannot use as a variable name because Python uses them for other things.

Java
All variable names must begin with a letter of the alphabet, an underscore, or ( _ ), or a dollar sign ($). The convention is to always use a letter of the alphabet. The dollar sign and the underscore are discouraged.

After the first initial letter, variable names may also contain letters and the digits 0 to 9. No spaces or special characters are allowed.

The name can be of any length.
Uppercase characters are distinct from lowercase characters. Using ALL uppercase letters are primarily used to identify constant variables. Remember that variable names are case-sensitive.
You cannot use a java keyword (reserved word) for a variable name.

List three similarities and differences in between the three programming languages.

1. Must begin with a letter of the alphabet. 2. There are certain keywords that cannot be used. 3. The length of the name can be any reasonable…...

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