data sturcture (java 3)

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courses/_18906_1/outline/assessment 242881_1/overview atemo.96299912 coursed 1045.1 Test Content Question 1 Assume the following method is added to the Arraystack class. What does this method do? public ArrayStack Undefined() 3 Points { int j = 0; ArrayStack st1= new ArrayStack(topOfStack + 1); for(int i = 0; i Undefined() 3 Points { int j = 0; ArrayStack st1= new ArrayStack(topOfStack + 1): for(int i = 0; i