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COSC 215 Java with Data Structures Homework Double the content of an Integer stack S; e.g., if S = [10 20 30], then after doubling, S = [10 20 30 10 20 30]; do it 1. using two additional stacks and some additional non-array variable(s); 2. using one additional stack and some additional non-array variable(s). Also, add to the content of an Integer stack S the same content in the reverse order; e.g., ifs = [10 20 30], then after doubling, S = [10 20 30 30 20 10]; do it 3. using two additional stacks and some additional non-array variable(s); 4. using one additional stack and some additional non-array variable(s)