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Question

What does the following function do?
public Object some_func()throws emptyStackException
{
 if(isEmpty())
  throw new emptyStackException("underflow");
 return first.getEle();
}

a.

pop

b.

delete the top-of-the-stack element

c.

retrieve the top-of-the-stack element

d.

none of the mentioned

Answer: (c).retrieve the top-of-the-stack element

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