Question 2.6 RemoveFirst (second method) The second method removeFirst is a class method of StacksAndQueues that takes two input parameters: a Stack of String instances and a String instance. After calling that method, the first occurrence of that string has been removed from the stack. If that string was not in the stack, then the stack is left unchanged For example, if the following stack is passed to removeFirst top)->[a, b, c, a, b, c, a, b, c(bottom) and the second parameter is the string "a", after the call, the stack should contain (top) -> [b, c, a, b, c, a, b, cl [a, c, a, b, c, a, b, c ] stack. String toRemove removeFirst (Stack stack. String toRemove) if tmp = while ( ot else while (