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import java.util.Arrays;
public class ArrayManipulation {
public static int[] reverseArray(int[] arr) {
for (int i = 0; i < arr.length/2; i++) {
int tmp = arr[i];
arr[i] = arr[arr.length - 1 - i];
arr[arr.length - 1 - i] = tmp;
}
return arr;
}
public static int[] removeFirst(int[] arr) {
int[] rmFirst = new int[arr.length - 1];
for(int i = 0; i <= arr.length - 2; i++) {
rmFirst[i] = arr[i+1];
}
return rmFirst;
}
public static void main(String[] args) {
int[] arr = {1,2,3,4,5};
System.out.println(Arrays.toString(reverseArray(arr)));
System.out.println(Arrays.toString(removeFirst(arr)));
}
}