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 length = arr.length;
    	int[] result = new int[length - 1];
    	
    	for (int i = 1; i < arr.length; i++) {
    		result[i-1] = arr[i];
    	}
    	
    	return result;
    }
    
    
    public static int [] removeLast(int[] arr) {
    	int [] result = new int [arr.length-1];
    	
    	for (int i =0; i<arr.length-1; i++) {
    		result[i] = arr[i];
    	}
    	return result;
    	
    }

    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)));
        System.out.println(Arrays.toString(removeLast(arr)));
        
    }
}