Imagine you have a program where the digits 0 through 9 are pushed, in order, on

Question

1. Imagine you have a program where the digits 0 through 9 are pushed, in order, onto a Stack. Each digit is popped off the Stack in turn and pushed onto a second Stack. Then they are all popped off the second Stack and printed on a single line with a space between each digit. What will the output of this program be?
2. Write a method reverse that takes an ArrayList of Integers as an argument and returns a new ArrayList of Integers that is the reverse of the original list. For example, if the original list was [9, 7, 4, 6] the method should return [6, 4, 7, 9]. You method must use a Stack to perform this reverse operation.

Explanation / Answer

1)

again prints 0-9

2)

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