arraylist add on instentiation code example
Example: insert element into arraylist java
ArrayList<String> arrayList = new ArrayList<>();
// Adds element at the back of the list
arrayList.add("foo");
arrayList.add("bar");
// Result = ["foo", "bar"]
// Adds element at the specified index
arrayList.add(1, "baz");
// Result = ["foo", "baz", "bar"]