package solution; import java.util.Arrays; import java.util.HashSet; import java.util.Set; import java.util.stream.Collectors; public class test { public static void main(String[] args) { int[] nums1 = new int[]{1,2,3,0,0,0}; int m = 3; int[] nums2 = new int[]{2,5,6}; int n = 3; // int[] nums1 = new int[]{1}; // int m = 1; // int[] nums2 = new int[]{}; // int n = 0; Solution.merge(nums1,m,nums2,n); } }