Save ArrayList

package fr.vinetos.mixiria;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;

import org.bukkit.event.Listener;
import org.bukkit.plugin.java.JavaPlugin;

public class Config{

	 public void SaveAll() {
		  try {
		   File dirs = new File("plugins/Banks");
		   File file = new File("plugins/Banks/Banks.txt");
		   dirs.mkdirs();
		   if (!file.exists()) {
		    file.createNewFile();
		   }
		   FileWriter fw = new FileWriter(file, false);
		   BufferedWriter bw = new BufferedWriter(fw);
		   bw.write(BankManager.players.size());
		   bw.newLine();
		   for (int i = 0; i < BankManager.players.size(); i++) {
		    bw.write(BankManager.players.get(i));
		    bw.newLine();
		   }
		   for (int i = 0; i < BankManager.values.size(); i++) {
		    bw.write(BankManager.values.get(i).toString());
		    bw.newLine();
		   }
		   bw.close();
		   fw.close();
		  } catch (Exception e) {
			  //log.info(e.toString());
		  }
		 }

		 public void LoadAll() {
		  try {
		   File dirs = new File("plugins/Banks");
		   File file = new File("plugins/Banks/Banks.txt");
		   dirs.mkdirs();
		   if (!file.exists()) {
		    file.createNewFile();
		   }
		   FileReader fr = new FileReader(file);
		   BufferedReader br = new BufferedReader(fr);
		   int size = br.read();
		   br.readLine();
		   for (int i = 0; i < size; i++) {
		    BankManager.players.add(br.readLine());
		   }
		   for (int i = 0; i < size; i++) {
		    BankManager.values.add(Integer.parseInt(br.readLine()));
		   }
		   br.close();
		   fr.close();
		  } catch (Exception e) {
		   //log.info(e.toString());
		  }
		 }
}