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QWhich is a valid declarations of a String?

ID: #1992 Java Language Fundamental 16,434 views
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#1992Q ID
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Java Language FundamentalTopic
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  • A String s1 = null; ✔ ✖
  • B String s2 = 'null'; ✔ ✖
  • C String s3 = (String) 'abc'; ✔ ✖
  • D String s4 = (String) '\ufeed'; ✔ ✖
Correct Answer

Explanation

Option A sets the String reference to null.

Option B is wrong because null cannot be in single quotes.

Option C is wrong because there are multiple characters between the single quotes ('abc').

Option D is wrong because you can't cast a char (primitive) to a String (object).

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