GeezerVison

public class MergeSort { public static int[] mergeTwoSortedArrays(int[] one, int[] two) { int[] sorted = new int[one.length + two.length]; int i = 0; int j = 0; int k = 0; while (i < one.length && j < two.length) { if (one[i] < two[j]) { sorted[k] = one[i]; k++; i++; } else { sorted[k] = two[j]; k++; j++; } } if (i == one.length) { while (j < two.length) { sorted[k] = two[j]; k++; j++; } } if (j == two.length) { while (i < one.length) { sorted[k] = one[i]; k++; i++; } } return sorted; } public static int[] mergeSort(int[] arr, int lo, int hi) { if (lo == hi) { int[] br = new int[1]; br[0] = arr[lo]; return br; } int mid = (lo + hi) / 2; int[] fh = mergeSort(arr, lo, mid); int[] sh = mergeSort(arr, mid + 1, hi); int[] merged = mergeTwoSortedArrays(fh, sh); return merged; } public static void main(String[] args) { int[] arr = { 70, 50, 30, 10, 20, 40, 60 }; int[] merged = mergeSort(arr, 0, arr.length - 1); for (int val : merged) { System.out.print(val + " "); } } }