Arrays.java

public int[] middleWay(int[] a, int[] b) {
      int[] middleWay = new int[2];
        middleWay[0] = a[1];
          middleWay[1] = b[1];
            return middleWay;
}

public int[] makeEnds(int[] nums) {
      if (nums.length == 1){
              int[] ans = {nums[0],nums[0]};
                  return ans;
                      }
        else{
                int[] ans = {nums[0],nums[nums.length-1]};
                    return ans;
                      }
}

public int[] fizzArray(int n) {
      int[] ansArray = new int[n];
        for (int i=0;i<n;i++){
                ansArray[i] = i;
                  }
          return ansArray;
}

public boolean only14(int[] nums) {
      boolean ans = true;
        for (int i=0;i<nums.length;i++){
                if (nums[i] != 1 && nums[i] != 4)
                          ans = false;
                  }
          return ans;
}