Change Fish to Bag

src/search/Bag.java

@@ -2,15 +2,19 @@ package search;
 
 import java.util.Iterator;
 
-public class Fish<Integer> implements Iterable<Integer> {
+public class Bag<Integer> implements Iterable<Integer> {
 
-	private Node first;
+	private Node first; //pointer to head of linked list
 	
 	private class Node{
 		Integer item;
 		Node next;
 	}
 	
+	/**
+	 * Adds new node to linked list
+	 * @param item the item to be added to the linked list
+	 */
 	public void add(Integer item){
 		Node oldfirst = first;
 		first = new Node();