Which of the following can be used for variable name in Java?

You can use any name you want for a variable. But there are about 50 reserved words, called keywords, that you are not allowed to use as variable names. These words include public , class , static , void , and int , which are used by the compiler to analyze the structure of the program.

Which can be used for variable name in Java?

The name of the variable should begin with either alphabet or, an underscore (_) or, a dollar ($) sign. The identifiers used for variables must not be keywords. No spaces or special characters are allowed in the variable names of Java. Variable names may contain 0 to 9 numbers (if not at the beginning).

Which of following Cannot be used for variable name in Java?

Which of these can not be used for a variable name in Java? Explanation: Keywords are specially reserved words which can not be used for naming a user defined variable, example: class, int, for etc.

Which one of the following can be used as a variable name?

Explanation: eval can be used as a variable. Explanation: True, False and None are capitalized while the others are in lower case. 8. Which of the following is true for variable names in Python?

Which of the following can be used for a variable name in Java a boolean?

Boolean can be used for a variable call in java and boolean ought to be prefixed with "is"

Naming Variables Part 1: Naming Convention (Java)

Which of the following Cannot be used for a variable name in Java Nptel?

callocCorrect Answer: bDetailed Solution:finalis a reserved keyword in Java, which cannot be used for naming a variable or class. NPTEL Online Certification CoursesIndian Institute of Technology Kharagpur1020d.

Which of the following Cannot be used for a variable name in Java a identifier B Case C malloc D Calloc?

because malloc and calloc are the two predefined functions for Dynamic memory allocation in C language and they are not a keyword in java and identifier is not a keyword in java as well. But 'case' is a keyword in java used in switch statements.

Which of the following can not be used as a variable name?

No other characters are permitted in the variable name. Specifically, spaces are not permitted in the variable names, as variable name must be a single word. Variable name may not start with a digit or underscore, and may not end with an underscore. Double underscores are not permitted in variable name.

Which one Cannot be used as variable name?

Answer: We cannot use a keyword as a variable name, function name or any other identifier. They are used to define the syntax and structure of the Python language. In Python, keywords are case sensitive.

Which of the following Cannot be used as a variable name?

Explanation: Space, comma and $ cannot be used in a variable name.

What is variable name?

A Variable name is used to refer to a variable (column of the data matrix) for all commands dealing with data in SPSS. The following rules apply when creating new variables or changing the name of an existing variable: Variable names must be unique in a Dataset.

What are variable in Java?

Variables are containers for storing data values. In Java, there are different types of variables, for example: String - stores text, such as "Hello". String values are surrounded by double quotes. int - stores integers (whole numbers), without decimals, such as 123 or -123.

Can a number be a variable name Java?

Java variable names must start with a letter, or the $ or _ character. After the first character in a Java variable name, the name can also contain numbers (in addition to letters, the $, and the _ character). Variable names cannot be equal to reserved key words in Java.

Which of the following is true * Java uses only interpreter Java uses only compiler Java uses both interpreter and compiler none of the mentioned?

Answer: The Java compiler translates Java programs into a language called Java bytecode. Although bytecode is similar to machine language, it is not the machine language of any actual computer. A Java interpreter is used to run the compiled Java bytecode program.

What is not the use of this keyword in Java?

2 Answers. The correct answer to the question “What is not the use of 'this' keyword in Java” is, option (d). Passing itself to the method of the same class. This is one of the most important keywords in Java and is used to distinguish between local variables and variables that are passed in the methods as parameters.

What is identifier in Java?

An identifier is a sequence of one or more characters. The first character must be a valid first character (letter, $, _) in an identifier of the Java programming language, hereafter in this chapter called simply “Java”.

How do you declare a variable name?

How do you declare a variable in Java?

To declare (create) a variable, you will specify the type, leave at least one space, then the name for the variable and end the line with a semicolon ( ; ). Java uses the keyword int for integer, double for a floating point number (a double precision number), and boolean for a Boolean value (true or false).

What are 3 types of variables?

A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist.

What is variable example?

A variable is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables.

What are the 5 types of variables?

Which symbol is used in variable name?

In computer programming, a sigil (/ˈsɪdʒəl/) is a symbol affixed to a variable name, showing the variable's datatype or scope, usually a prefix, as in $foo , where $ is the sigil.

What is variable label name?

Variable Labels: Variable labels are composed of a few words that describe what a variable represents. If the variable labels are properly formatted in SPSS, they will show in output tables and graphs, instead of variable names. Value Labels: Value labels are labels for coded variables in our dataset.

Can we use in variable name in C?

Variable names in C are made up of letters (upper and lower case) and digits. The underscore character ("_") is also permitted. Names must not begin with a digit. Unlike some languages (such as Perl and some BASIC dialects), C does not use any special prefix characters on variable names.