package array; import org.junit.Test; import java.util.Arrays; import static org.junit.Assert.*; public class Merge1Test { @Test public void merge() { int[] nums1 = {1,2,3,0,0,0}; int m = 3,n=3; int[] nums2 = {2,5,6}; Merge1 solution = new Merge1(); solution.merge(nums1,m,nums2,n); System.out.println(Arrays.toString(nums1)); } }