null can be used:
A)to indicate a variable has no real value
B)in a Boolean expression with ==
C)as a placeholder
D)all of the above

Name: null can be used: A)to indicate a variable has no real value B)in a Boolean expression with == C)as a placeholder D)all of the above
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Null can be used to indicate a variable has no value, to compare with == in a Boolean expression, and as a placeholder in certain contexts. Therefore, all the options given are correct.

Null Can Be Used