Reserved keywords cannot be used as variable names. Reserved keywords are ALL, AND, BY, EQ, GE, GT, LE, LT, NE, NOT, OR, TO, and WITH. Variable names can be defined with any mixture of uppercase and lowercase characters, and case is preserved for display purposes.
Both an identifier and a variable are the names allotted by users to a particular entity in a program. Variable is only a kind of identifier, other kinds of identifiers are function names, class names, structure names, etc. So it can be said that all variables are identifiers whereas, vice versa is not true.
Keywords are not allowed to be used as an identifier (for eg. 'int' cannot be used as an identifier as it is a keyword) No special characters such as a semicolon, period, white spaces, slash, or comma are permitted to be used in or as Identifiers.
Some words are reserved by C++, and you cannot use them as variable names. These keywords have special meaning to the C++ compiler. Keywords include if, while, for, and main.
5. 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.
student and (d) False cannot be variables in Python. Variables, or to be more specific, identifiers, are names given to identify a value/function/for storing values, etc. An identifier should have no special characters [except an underscore(_)] in them.
Keywords are reserved words that have a special meaning to the Java compiler. As Java compiler reserves these words for its own use so they are not available as names for variables or methods.
C++ keywords cannot be used as variable names. Variable names are case-sensitive. A variable name can be consisting of 31 characters only if we declare a variable more than one characters compiler will ignore after 31 characters. Variable type can be bool, char, int, float, double, void or wchar_t.
For example, java tpoint is an invalid identifier. An identifier should not contain a number at the starting. We can't use the Java reserved keywords as an identifier such as int, float, double, char, etc. For example, int double is an invalid identifier in Java.
Java identifiers. Identifiers are the name given to variables, classes, methods, etc. It's because float is a keyword and cannot be used as a variable name.
Explanation: 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.
Discussion ForumQue.Which of the following cannot be a variable?b.inc.itd.onAnswer:in•Sep 28, 2020
The following are examples of invalid variable names: age_ (ends with an underscore), 0st (starts with a digit), food+nonfood (contains character “+” which is not permitted)
Java identifiers. Identifiers are the name given to variables, classes, methods, etc. It's because float is a keyword and cannot be used as a variable name.
5. 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.
[email protected] (Option C) is not considered as a variable in C. Explanation: To justify the answer, let us know the basic rules of variable declaration in C. Rule 1: A variable can have letters in the English alphabet, digits, and underscore.
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. 6.
Discussion ForumQue.Which of the following cannot be a variable?b.inc.itd.onAnswer:in•Sep 28, 2020
10. Which of the following cannot be a variable? a) __init__ b) in c) it d) on Answer: b Explanation: in is a keyword. 11.
Which of the following is not a valid variable name declaration? Explanation: Variable name cannot start with a digit.
Discussion ForumQue.Which one of the following is not an environment variable?b.PATHc.USERd.envAnswer:env
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.
Valid variable names can include letters, digits, and underscores. MATLAB keywords are not valid variable names. To determine if the input is a MATLAB keyword, use the iskeyword function.
Explanation: 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.
Can you get drunk off a single beer? Probably not. Most mass produced beers, such as Coors, Budweiser, Heineken, and Corona don't have enough alcohol to affect blood alcohol levels too dramatically with 1 drink.
Myanmar and Liberia are the only other countries in the world that haven't officially adopted the metric system yet. In both countries, metric measurements are used alongside imperial ones.
the United StatesFahrenheit is used in the United States, its territories and associated states (all served by the U.S. National Weather Service), as well as the Cayman Islands and Liberia for everyday applications. For example, U.S. weather forecasts, food cooking, and freezing temperatures are typically given in degrees Fahrenheit.