/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static int[] swapEnds(int[] nums) {
		int[] arr = new int[nums.length];
		arr = nums;
		System.out.println("arr and nums are equal: " + (arr == nums));
		System.out.println("arr : " + arr);
		System.out.println("nums: " + nums);
		int a = nums[0];
		arr[0] = nums[arr.length-1];
		arr[arr.length-1] = a;
		return arr;
	}
 
 
 
	public static void main (String[] args) throws java.lang.Exception
	{
		int[] test = {1, 2, 3, 4, 5};
		int[] swapped = swapEnds(test);
		System.out.println("Original: " + Arrays.toString(test));
		System.out.println("Swapped : " + Arrays.toString(swapped));
	}
}

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