Multiple choice

To which class does the method to UpperCase() belong?

  1. String class

  2. Char class

  3. Math class

  4. String buffer class

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Char class is a wrapper class, which provides following methods: toUpperCase(),toLowerCase(),isLetter(),isSpace(),isDigit()

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