Q:

Which one of the following is not a method defined by java lang String concat(String str)String class?

0

Which one of the following is not a method defined by java lang String concat(String str)String class?


  1. String concat(String str)
  2. boolean contentEquals(StringBuffer sb)
  3. byte getBytes()
  4. All of the above

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Correct Answer:

All of the above

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