Mastering C++: A Comprehensive Quiz Based on 'Thinking in C++

Question: 1 / 565

Which operator is used to check if 'charArray' is non-null in the 'oneChar' function?

'==' operator

'!=' operator

The '!=' operator is the correct choice, as it is used to check if the value of 'charArray' is not equal to null. This operator will return a boolean value of either true or false depending on the comparison of the two items. The other options, such as the '==' operator, the '?' ternary operator, and the logical '&&' operator, may be used in different scenarios but are not suitable for checking if a variable is non-null.

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The '?' ternary operator

The logical '&&' operator

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