pay attention in class eli, this is the last time i'm helpin

	static Scanner in = new Scanner(System.in);
	static int arraySize;
	static ArrayList<String> arrayPractice;
	public static String[] startWith(String s){
		String[] temp = new String[arraySize];
		int counter = 0;
		for(String c : arrayPractice){
			if(c.indexOf(s) == 1){
				temp[counter++] = c;
			}
		}
		return temp;
	}
	public static String[] endWith(String s){
		String[] temp = new String[arraySize];
		int counter = 0;
		for(String c : arrayPractice){
			if(c.indexOf(s) == c.length() - s.length()){
				temp[counter++] = c;
			}
		}
		return temp;
	}
	public static void replace(String word, int index){
		arrayPractice.set(index, word);
	}
	public static void toUpperCase(int index){
		arrayPractice.set(index, arrayPractice.get(index).toUpperCase());
	}
	public static void toLowerCase(int index){
		arrayPractice.set(index, arrayPractice.get(index).toLowerCase());
	}
	public static void firstLetterLower(){
		for(int i = 0; i < arrayPractice.size(); i++){
			String temp = arrayPractice.get(i).substring(0,1).toLowerCase() + arrayPractice.get(i).substring(1);
			arrayPractice.set(i, temp);
		}
	}
	public static void getInput(File f) throws FileNotFoundException
	{
		Scanner s = new Scanner(f);
		while(s.hasNext())
		{
			arrayPractice.add(s.nextLine());
		}
	}
	public static void firstLetterUpper(){
		for(int i = 0; i < arrayPractice.size(); i++){
			String temp = arrayPractice.get(i).substring(0,1).toUpperCase() + arrayPractice.get(i).substring(1);
			arrayPractice.set(i, temp);
		}
	}
	public static String concatenate(String word, int index){
		String temp = "";
		temp += word + arrayPractice.get(i);
		return temp;
	}