how to init arraylist in java code example

Example 1: how to define an arraylist in java

ArrayList<Integer> integerArray = new ArrayList<Integer>();
ArrayList<String> integerArray = new ArrayList<String>();
ArrayList<Double> integerArray = new ArrayList<Double>();
//... keep replacing what is inside the <> with the appropriate
//data type

Example 2: initialize arraylist

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

Example 3: java initalize arraylist

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