1Z0-808 Question #29: Real Exam Question with Answer & Explanation

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Working With Java Data Types

Question

Given:

public class App {
 public static void main(String[] args) {
 Boolean[] bool = new Boolean[2];
 bool[0] = new Boolean(Boolean.parseBoolean("true"));
 bool[1] = new Boolean(null);
 System.out.println(bool[0] + " " + bool[1]);
 }
}

What is the result?

Options

ATrue false
BTrue null
CCompilation fails
DA NullPointerException is thrown at runtime

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Topics

#Boolean wrapper class#null handling#constructor behavior#type conversion

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