java how to create arraylist

1import java.util.ArrayList;

1ArrayList<Integer> integerArray = new ArrayList<Integer>();
2ArrayList<String> integerArray = new ArrayList<String>();
3ArrayList<Double> integerArray = new ArrayList<Double>();
4//... keep replacing what is inside the <> with the appropriate
5//data type
6

1import java.util.ArrayList;
2//create ArrayList
3ArrayList<String> arrayList = new ArrayList<String>();

1List<Integer> list = new ArrayList<>();