Explanation:
An identifier is the name of a program or the names of the variables, classes, methods, namespaces or interfaces within a program that are used to identify the relevant data/info.
Typically, identifiers must start with a letter (no numbers) and must not have any spaces in them, it should indicate the meaning and usage of the element being referred and i t cannot have more than 511 characters.
An example is:
<em>int money;
</em>
<em>double accountBalance;</em>
Where money and accountBalance are the identifiers.
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Answer:
The purpose of OPPA is to make its mandatory for companies to disclose what kind of information they will acquire from their users.
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Boolean can be use to check math as follows;
<h3>What are Booleans?</h3>
Booleans is a datatype with two possible values namely True and False.
The Boolean can be denoted as bool.
In programming its often use to check if a mathematical expression or statement are True or False.
Therefore, let's use it in mathematical expression;
6 < 5
8 > 7
6 == 9
The first expression will return False.
The second expression will return True.
The third expression will return False.
learn more on Booleans here: brainly.com/question/14120893
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I think the answer is a but I am not for sure
