Also, Which of the following is a valid name for a variable?
Examples of acceptable variable names are age, gender, x25, and age of hh head. A variable name must begin with a letter and then include additional letters, numbers, or underscores. The value that the namelengthmax command produces is the maximum length of a variable name.
3. Which of the following is not a declaration of a legal variable name? Absent an explanation.
Related Questions and Answers
What is a not valid variable name?
Both the beginning and the end of a variable name cannot be a numeric or an underscore. Variable names cannot include two underscores. For specific question kinds, such as multiselect, GPS location, and some others, variable names must be no more than 32 characters in length.
Which of the following is an invalid variable name in Java?
Answer: A digit cannot begin a variable name. Reason: Since a variable name may only include underscore and no other special characters, it produces an error.
Solution (By Examveda Team) The variable names may include no spaces.
Which is the valid symbol character in variable name?
Variable names may include the punctuation marks $, #, and @ as well as the underscore symbol. A. [email protected]#1, for instance, is a legitimate variable name.
Is ABC a valid variable name?
Variable names must begin with the underscore (_) symbol or an alphabet (A-Z and a-z) character. For instance, the variable names var, X, _name, etc. are acceptable, however 1a, $age, etc. are not. The alphabet (A-Z and a-z), underscore (_), and numerals (0-9) are allowed in variable names, but additional symbols like percent, &, @, and so on are not permitted.
What is a valid variable declaration?
Every variable name must start with an alphabetic letter or an underscore ( ). Variable names may also include letters and digits after the first letter. Case matters in the names of variables. Special characters and spaces are not permitted. A reserved term in C++ cannot be used as a variable name.
Is float a valid variable name?
The float keyword may be used to define float variables. The size of a float is one machine word. As a result, it is employed when a lower level of accuracy than a double can offer is needed.
Which of the following is valid variable name Mcq?
Which of the aforementioned is a legitimate variable? Reason: Keywords, numbers, and special symbols should not be included in the variable name. D is thus the appropriate identifier or variable.
Is Int a valid variable name?
main and int have unique meanings only. Declaring keyword as a variable name is thus not advised.
Which one is a valid variable in Java?
Capital letters A–Z, lowercase letters a–z, digits 0–9, and two special characters, such as the underscore (_) and dollar sign ($), can all be used in a variable name. No digits are permitted as the initial character. Variable names cannot include blank spaces. Java words are not permitted to be used as variable names.
What is variable name?
For all commands working with data in SPSS, a variable name is used to refer to a variable (column of the data matrix). When naming new variables or modifying the name of an existing variable, the following guidelines must be followed: In a dataset, variable names must be distinct.
What are 3 types of variables?
Any feature, characteristic, or circumstance that may exist in various quantities or kinds is considered a variable. Independent, dependent, and controlled variables are often included in an experiment. The variable that is altered by the scientist is the independent variable.
What is a variable with example?
Any qualities, amount, or number that can be gauged or tallied qualifies as a variable. A data item is another name for a variable. Examples of variables include age, sex, company revenue and costs, country of birth, capital expenditures, class grades, eye color, and vehicle kind.
A variable that has no value is just undefined. The data type for ‘a’ is undefined since it lacks any values. var b=null; A variable without a value has a data type of “undefined,” but a variable with a “null” value has a data type of “object,” not “null.”
Which are the valid variable names in Java Mcq?
Only the letter ‘_’ or any other alphabet (upper or lower case) may begin a variable name (underscore). Variable names cannot include any white space. Numeric characters cannot begin variable names. Special characters like! are not permitted in the variable name.
Is $var a valid variable name in Java?
In a nutshell, you’re correct. To begin a variable name, you may use underscores, dollar signs, and characters. You may also use numbers after the variable name’s initial letter.
Which of the following is true about variable naming?
Which of the following statements about Python variable names is accurate? Reason: The length of a variable name is completely flexible.
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- examples of valid and invalid variable names in java