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What is the output of the code snippet?

A. true true true true
B. false false false false
C. false true false true
D. true true false true
E. false true true true
F. true false false true
G. The code does not compile
H. None of the above

Explanation:
On line 15, we have a compile-time constant that automatically gets placed in the string pool as "rat1" . On line 16, we have a more complicated expression that is also a compiletime constant. Therefore, first and second share the same string pool reference. This makes line 18 and 19 print true. On line 17, we have a String constructor. This means we no longer have a compile-time constant, and third does not point to a reference in the string pool. Therefore, line 20 prints false . On line 21, the intern() call looks in the string pool. Java notices that first points to the same String and prints true.



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What is the output of the code snippet?

A. true true true true
B. false false false false
C. false true false true
D. true true false true
E. false true true true
F. true false false true
G. The code does not compile
H. None of the above

Explanation:
On line 15, we have a compile-time constant that automatically gets placed in the string pool as "rat1" . On line 16, we have a more complicated expression that is also a compiletime constant. Therefore, first and second share the same string pool reference. This makes line 18 and 19 print true. On line 17, we have a String constructor. This means we no longer have a compile-time constant, and third does not point to a reference in the string pool. Therefore, line 20 prints false . On line 21, the intern() call looks in the string pool. Java notices that first points to the same String and prints true.

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