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

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Test your C++ skills with our quiz based on Bruce Eckel's 'Thinking in C++'. Dive into object-oriented programming, advanced topics, and fundamentals. Perfect for learners and experts alike. Assess your knowledge and become a C++ master!

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

  1. '==' operator

  2. '!=' operator

  3. The '?' ternary operator

  4. The logical '&&' operator

The correct answer is: '!=' 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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