/**
 * Class with methods that work on a one dimensional array
 * of integers
 * @author Barb Ericson
 */
public class IntArrayWorker
{
  // the integer array
  private int[] numArray;
  
  /**
   * A constructor that takes the integer array
   * @param theArray the integer array to use
   */
  public IntArrayWorker(int[] theArray)
  {
    numArray = theArray;
  }
  
  /**
   * @return the elements of the array as a string
   */
  public String toString()
  {
    String result = "";
    int num = 0;
    for (int i = 0; i < numArray.length - 1; i++)
    {
      num = numArray[i];
      result = result + String.valueOf(num) + ", ";
    }
    return result + numArray[numArray.length-1];
  }
  
  /** 
   * Method to find and return the smallest value in the array
   * @return the smallest value in the array
   */
  public int getSmallest()
  {
    int smallest = Integer.MAX_VALUE;
    for (int num : numArray)
    {
      if (num < smallest)
      {
        smallest = num;
      }
    }
    return smallest;
  }
  
  /**
   * Method to set the number array
   * @param theArray the new array to use
   */
  public void setNumArray(int[] theArray)
  {
    numArray = theArray;
  }
  
  public static void main(String[] args)
  {
    int[] testArray = {1, 2, 3, 4, 5};
    IntArrayWorker arrayWorker = new IntArrayWorker(testArray);
    System.out.println(arrayWorker);
    int value = arrayWorker.getSmallest();
    System.out.println("smallest is " + value);
    int [] t2 = {6, 4, 2};
    value = arrayWorker.getSmallest();
    System.out.println("smallest is " + value);
    
  }
}