#vulnerable code 
                             public T find(V value) {
		return find(value, false, false);
	} 
                            #location 2 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                             public T find(V value) {
		checkInit();

		for (T obj : preDefined) {
			if (matches(obj, value)) {
				return obj;
			}
		}
		return null;
	}