Ace Java 2026: Rock Your 'Thinking in Java' Challenge!

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How does the 'Conversion' example output 'true' for variable 'z' when using the 'b' conversion?

Because 'z' is non-null and not boolean type

Because 'z' is a boolean with true value

The reason why the other choices are incorrect is because

A: Since the 'b' conversion only looks at the existence of a value and not the data type, the boolean type of 'z' is irrelevant.

C: Since 'z' is assigned a value of 'true' and not null, it cannot be a null reference.

D: The numeric value of 'z' is not used in this conversion, only the boolean value. Therefore, 'z' can have any numeric value and still output 'true'.

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Because 'z' is a null reference

Because 'z' has a numeric value of zero

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