Java Programming
primer-original-v2hardJavaAutoboxingInteger Cacheprimer-original-v2

What does the following output: Integer a = 127; Integer b = 127; System.out.println(a == b);

Answer options

A
true
B
false
C
Compile error
D
NullPointerException

Correct answer: true

Detailed Solution & Conceptual Analysis

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Key Engineering Takeaway

In Java Programming, understanding the underlying mechanics of Java is critical for writing performant, bug-free production code and passing rigorous technical architecture reviews.

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