Java 6 Illuminated: An Active Learning Approach, 2nd Edition

In this case, the capacity of listOfAstronauts1 is 5 and its size is 0.

We can also combine the declaration and instantiation of an ArrayList

object into one statement. Here is the syntax using the default constructor:

ArrayList<ClassName> arrayListName = new ArrayList<ClassName>( );

These statements will declare and instantiate two ArrayList objects, Integers

and Astronauts, respectively:

ArrayList<Integer> listOfInts = new ArrayList<Integer>( );

ArrayList<Astronaut> listOfAstronauts2 = new ArrayList<Astronaut>( );

9.7.2 Methods of the ArrayList Class

Like arrays, the ArrayList class uses indexes to refer to elements. Among

others, it provides methods ...