Method Push

CleanCode/src/test/java/FoodPandaTest.java:19–25

(T t)

class MySet<T> implements ISet<T> {
    private final ArrayList<T> store = new ArrayList<>();
    @Override
    public void Push(T t) throws IllegalArgumentException {
        if (t == null)
            throw new IllegalArgumentException();
        if (store.stream().noneMatch(e -> e.equals(t)))
            store.add(t);
    }

    @Override
    public T Pop() throws NoSuchElementException {