JAVA CERTIFICATION QUESTION: Java’s scope of variables ...

JAVA CERTIFICATION QUESTION: Java’s scope of variables and instanceof for pattern matching

=>When will the instanceof pattern variable be assigned—and what happens if the pattern matching test fails?

· java,ocp

Given the InstanceTest class:

Which statement is correct? Choose one.

A. The code runs and throws IllegalArgumentException with the description Must be a string.

B. The code runs and prints Not a number.

C. Compilation fails at line n1.

D. Compilation fails at line n2.

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