Multiple choice

Ensurecapacity() method in Java is used

  1. to pre allocate space for a certain number of characters after a string buffer is constructed

  2. to determine whether a given string begins with a specified string

  3. to find the total allocated capacity of the stringbuffer

  4. to find the correct length of the stringbuffer

  5. to set the length of the stringbuffer
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A Correct answer
Explanation

This is the characteristic of the method ensurecapacity().

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