Java: Merge Two Sorted Arrays

Difficulty Level: EASY

Problem Statement:

You are given two arrays that are already sorted. You need to merge both the given array in such a way that the resultant array is also sorted.

Input:

arr1[] = {1,2,3,4}
arr2[] = {5,6,7,8}

Output:

arr3[] = {1,2,3,4,5,6,7,8}