Fórum Salvar e carregas objetos dentro de uma list #570546

public static List<Pair<String, String>> cash_player = new ArrayList<>();

	        public static void save() {
			File f = new File(plugin().getDataFolder(), "cash.dat");
			if (!(f.exists()))
				try {
					f.createNewFile();
				} catch (IOException e) {
					e.printStackTrace();
				}
			try {
				ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(f));
				oos.writeObject(cash_player);
				oos.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		
		@SuppressWarnings("unchecked")
		public static void load() {
			File f = new File(Main.m.getDataFolder(), "cash.dat");
			if (f.exists()) {
				try {
					ObjectInputStream ois = new ObjectInputStream(new FileInputStream(f));
					cash_player = (List<Pair<String, String>>) ois.readObject();
					ois.close();
				} catch (Exception e) {
					e.printStackTrace();

				}
			}
		}

import java.io.Serializable;

class Pair<K, V> implements Serializable{
	/**
	 * 
	 */
	private static final long serialVersionUID = 6014244905733911500L;
	K key;
	  V value;

	  public Pair(K key, V value) {
	    this.key = key;
	    this.value = value;
	  }

	}