CRT-450 Exam Dumps | A developer considers the following snippet of code: Boolean isOK; Integer x; String theString = 'Hello';

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Question 12/94

A developer considers the following snippet of code:
Boolean isOK;
Integer x;
String theString = 'Hello';
if (isOK == false && theString == 'Hello') {
x = 1;
} else if (isOK == true && theString == 'Hello') {
x = 2;
} else if (isOK == null && theString == 'Hello') {
x = 3;
} else {
x = 4;
}
Based an this code, what is the value of x?

A. 1

B. 2

C. 3

D. 4

Correct Answer: C

* isOK is declared but not initialized, so its default value is null.
* In the condition checks:
* The first if evaluates as false because isOK == false is false.
* The second else if evaluates as false because isOK == true is false.
* The third else if evaluates as true because isOK == null is true and theString == 'Hello' is also true.
So, the value assigned to x is 3.
Reference:
Apex Developer Guide: Primitive Data Types and Defaults

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