package arrayutilitypkg;

public class ArrayUtility {

   public static void printForwards(int[] array) {
      for (int i = 0; i < array.length; i++) {
         System.out.print(array[i] + " ");
      }
      System.out.println("");
   }

   public static void printBackwards(int[] array) {
      // outputs array in reverse order
      for (int i = array.length - 1; i >= 0; i--) {
         System.out.print(array[i] + " ");
      }
      System.out.println("");
   }

   public static int getSum(int[] array) {
      int total = 0;
      for (int i = 0; i < array.length; i++) {
         total = total + array[i];
      }
      return total;
   } // returns sum of array values

   public static double getAverage(int[] array) {
      if (array.length == 0)
          return 0.0;
      int total = getSum(array);
      return total / (double)array.length;

   } // returns average of array values

   public static int getMax(int[] array) {
      int max = array[0];
      for (int i = 1; i < array.length; i++) {
         if (array[i] > max) {
            max = array[i];
         }
      }
      return max;

   } // returns minimum value in array

   public static int getMin(int[] array) {
      int min = Integer.MAX_VALUE;
      for (int i = 0; i < array.length; i++) {
         if (array[i] < min) {
            min = array[i];
         }
      }
      return min;
   } // returns maximum value in array

   public static int[] reverse(int[] array) {
      int[] temp = new int[array.length];
      for (int i = 0; i < array.length; i++) {
         temp[array.length - i - 1] = array[i];
      }
      return temp;
   } //returns new array with elements reversed

   public static int[] clone(int[] array) {
      int[] temp = new int[array.length];
      for (int i = 0; i < array.length; i++) {
         temp[i] = array[i];
      }
      return temp;
   } // returns a new array with copy of array

   public static int find(int[] array, int target) {
      int index = -1;
      for (int i = 0; i < array.length; i++) {
         if (array[i] == target) {
            index = i;
         }
      }
      return index;
   } // returns index of target in array
}