ConcurrentModificationException.java

public static void main(String[] args) {
        List<String> isimler = new ArrayList<>() {{
            add("Mevlüt");
            add("Sungur");
            add("Java");
            add("Angular");
        }};


        Iterator<String> iterator = isimler.iterator();
        while (iterator.hasNext()) {
            String isim = iterator.next();
            if (isim.startsWith("S")) {
                isimler.remove(isim);
            }
            
        }

        isimler.stream().forEach(System.out::println);
    }