Without using length and size function how could you get the 2nd last variable in an array of integers?

Question

Anonymous · Accepted Answer

Use two pointers and handle ArrayOutOfBoundException

Anonymous · Answer

int[] arr = new int[]{1,2,4,1,4,6,2};
int count = 0;
		
for (int i : arr) {
	count++;
}
		
System.out.println(arr[count-2]);

Could use a stack · Answer

Put the elements in a stack. Pop twice. The 2nd element will be the last but 2 in the array.

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