Merge two arrays into one - Java Program

Merge_Array.java

public class Merge_Array
{
        public static void main(String[] args)
        {
                System.out.println("First array elements: ");
                int arr1[] = {1, 3, 5, 7, 9};
                for (int i=0; i< arr1.length ;i++ )
                {
                        System.out.print(arr1[i]+" ");
                }
                System.out.println("\nSecond array elements: ");
                int arr2[] = {2, 4, 6, 8, 10};
                for (int i=0; i< arr2.length ;i++ )
                {
                        System.out.print(arr2[i]+" ");
                }
                System.out.println("\nAfter merge the array is: ");
                int arr[] = merge(arr1, arr2);
                for (int i=0; i< arr.length ;i++ )
                {
                        System.out.print(arr[i]+" ");
                }
        }
        public static int[]merge (int[]arr1, int[]arr2)
        {
                int[]arr = new int[arr1.length + arr2.length];
                int i;
                for(i=0; i < arr1.length; i++)
                {
                        arr[i] = arr1[i];
                }
                for(int j=0; j < arr2.length; j++)
                {
                        arr[i++]=arr2[j];
                }
        return arr;
        }
}