Rewrote some methods as non-static.

Functions for getting potions, pokeballs and pokemon are now in non-static classes.
This will make it easier to manage other npc trainers in the future.

Trainer.java

@@ -1,6 +1,8 @@
 import java.util.ArrayList;
+import java.util.Scanner;
 
 public class Trainer {
+	public static Scanner in = new Scanner(System.in);
 	String name;
 	private ArrayList<Pokemon> pokemon;
 	private Inventory inventory;
@@ -50,4 +52,48 @@ public class Trainer {
 	public Inventory getInventory() {
 		return this.inventory;
 	}
+	
+	/** Lists all currently available pokemon for the trainer.*/
+	public void availablePokemon(boolean alive) {
+		ArrayList<Pokemon> pokemonList = null;
+		if (alive) {
+			pokemonList = this.getConsciousPokemon();
+		} else {
+			pokemonList = this.getFaintedPokemon();
+		}
+		System.out.println("You may choose from these pokemon:");
+		for (int i = 0; i < pokemonList.size(); i++) {
+			System.out.printf("%d: %s%n", i + 1, pokemonList.get(i));
+		}
+		System.out.print(">");
+	}
+	
+	public void printPokemon() {
+		for (Pokemon pokemon : this.pokemon) {
+			System.out.println(pokemon);
+		}
+	}
+	
+	/**
+	 * Asks the user for the name of a pokemon and returns it.
+	 * @param pokemonList	A list of available pokemon
+	 * @return				A pokemon object or null.
+	 */
+	public Pokemon choosePokemon(boolean alive) {
+		ArrayList<Pokemon> pokemonList = null;
+		if (alive) {
+			pokemonList = this.getConsciousPokemon();
+		} else {
+			pokemonList = this.getFaintedPokemon();
+		}
+		if (in.hasNextInt()) {
+			int choice = in.nextInt() - 1;
+			if (choice >= 0 && choice < pokemonList.size()) {
+				in.nextLine();
+				return pokemonList.get(choice);
+			}
+		}
+		in.nextLine();
+		return null;
+	}
 }