Method getInstance

src/main/java/PEP/Moods.java:70–73

()

    private static Moods instance;

    public static Moods getInstance() {
        if (instance==null) instance=new Moods();
        return instance;
    }
    
    public int getMoodIngex(String mood) {
        for (int i=0; i<moodKey.size(); i++) {