how to initialize an integer arraylist in java code example

Example 1: arraylist with values java

ArrayList<String> cities = new ArrayList<>(Arrays.asList("London", "Tokyo", "New York"));

Example 2: {} when initialising arraylist java

ArrayList<Type> obj = new ArrayList<Type>(
        Arrays.asList(Object o1, Object o2, Object o3, ....so on));

Example 3: initialize arraylist

ArrayList<Type> list = new ArrayList<Type>(Arrays.asList(
		elem1, elem2,..., elemN
        ));