【解決方法】誰かがこのC++をJavaに変換するのを手伝ってくれませんか

#include <iostream>
using namespace std;
void mr(int arr[], int p, int q, int r) {
  int n1 = q - p + 1;
  int n2 = r - q;
  int lower[n1], higher[n2];
  for (int i = 0; i < n1; i++){
    lower[i] = arr[p + i];}
  for (int j = 0; j < n2; j++){
    higher[j] = arr[q + 1 + j];}
  int i, j, k;
  i = 0;
  j = 0;
  k = p;
  while (i < n1 && j < n2) {
    if (lower[i] <= higher[j]) {
      arr[k] = lower[i];
      i++;
    } else {
      arr[k] = higher[j];
      j++;
    }
    k++;
  }
  while (i < n1) {
    arr[k] = lower[i];
    i++;
    k++;
  }

  while (j < n2) {
    arr[k] = higher[j];
    j++;
    k++;
  }
}
void ms(int arr[], int low, int high) {
  if (low < high) {

    int m = low+(high-low)/2;
    cout << endl;
    cout << "[";
    for(int a = low; a <= m; a++){
        cout << arr[a] << " ";
    }
    cout << "]";
    cout << "|";
    cout << "[";
    for(int b = m + 1; b <= high; b++){
            cout << arr[b] << " ";
    }
    cout << "]";

    ms(arr, low, m);
    ms(arr, m + 1, high);
    mr(arr, low, m, high);
    cout << endl;
    cout << "[";
    for(int c = low; c <= high; c++){
        cout << arr[c] << " ";
    }
    cout << "]";
  }
}
int main()
{
    system("Color 07");
    char yn,ord;

        int numel, arr[11],sz;
        cout<<"Lance Grayson D. Musngi\nBSIT 2 - C\n\n"<<endl;
        cout<<"\t\t\t==================================="<<endl;
        cout<<"\t\t\t|::::::::::MERGE SORTING::::::::::|"<<endl;
        cout<<"\t\t\t===================================\n\n\n"<<endl;
        cout<<"Enter number of elements you wish to be sorted (Min.5 - Max.12): ";
        cin>>numel;
        if(numel>=5&&numel<=12){
            system("cls");
            cout<<"Enter "<<numel<<" elements to be sorted:\n";
            sz = numel;
            for (int i = 0; i < numel; i++){
                    cout<<"Element ["<<i+1<<"]: ";
                cin>>arr[i];
            }
            cout<<"\n------------------------------------------------------"<<endl;
         ms(arr, 0, numel-1);
         cout<<"\n------------------------------------------------------"<<endl;
         cout<<"[A]scending Merge order\n[D]escending Merge order"<<endl;
         cin>>ord;
         if (ord=='a'||ord=='A'){
            cout << "[A]scending Merge Order Array: \n";
            for (int i = 0; i < sz; i++){
            cout << arr[i] << "\t";
            }
         }
         else if(ord=='d'||ord=='D'){
         cout << "[D]escending Merge Order Array: \n";
         for (int i = sz-1; i > -1; i--){
            cout << arr[i] << "|\t";
            }