/*
 * Kyle Pierce
 * CSE 143
 * Client code using Java's ArrayList class
 */
 
import java.util.*;
 
public class ArrayListClient {
   /*
    * Translation from array to ArrayList:
    *    String[] arr         ArrayList<String> list
    *    new String[n]        new ArrayList<String>()
    *    arr[i]               list.get(i)
    *    arr[i] = val         list.set(i, val)
    *    arr.length           list.size()
    *
    * New Operations:
    *    list.add(val)        appends the val to the list
    *    list.add(i, val)     inserts val at index i,
    *                         shifting subsequent values right
    *    list.remove(i)       removes and returns the value at i,
    *                         shifting subsequent values left
    *    list.clear()         empties the entire ArrayList
    */
   public static void main(String[] args) {
       /*
        * String[] arr = new String[3];
        * arr[0] = "welcome";
        * arr[1] = "to";
        * arr[2] = "143!";
        * System.out.println(Arrays.toString(arr));
        */

      ArrayList<String> list = new ArrayList<String>();
      list.add("welcome");
      list.add("to");
      list.add("143!");
      System.out.println();

      // add "hi" at the beginning
      list.add("hi");
      System.out.println(list);

      // add "cse" before "143!"
      list.add("cse");
      System.out.println(list);

      // remove the "to"
      list.remove(2);
      System.out.println(list);

      /*
       * Have to use wrapper types for primitives
       * Sadly ArrayList<int> doesn't work :(
       */
      ArrayList<Integer> intList = new ArrayList<Integer>();
      intList.add(5);
      intList.add(1234);
      intList.add(42);
      System.out.println(intList);
   }
}