References API: Java Collections Framework tutorial class ArrayList<E> implements List<E> interface List<E> E get(int index) Returns the element at the specified position in this list. Don't use raw types …

Aug 12, 2010 · ArrayList uses an Array of Object to store the data internally. When you initialize an ArrayList, an array of size 10 (default capacity) is created and an element added to the ArrayList is …

The instruction for new ArrayList(inner) creates a new ArrayList with the contents of inner inside of it - but doesn't use the same instance as inner. Thus, you'll retain the content, but not retain the …

Jun 17, 2009 · ArrayList<String> list = new ArrayList<String>() {{ add("A"); add("B"); add("C"); }}; However, I'm not too fond of that method because what you end up with is a subclass of ArrayList …

Oct 1, 2008 · Note that the returned type for asList() is a List using a concrete ArrayList implementation, but it is NOT java.util.ArrayList. It's an inner type, which emulates an ArrayList but actually directly …

The selected answer is: ArrayList<Integer>(Arrays.asList(1,2,3,5,8,13,21)); However, its important to understand the selected answer internally copies the elements several times before creating the final …

Say I have a car class with attributes make and registration, and i create an ArrayList to store them. How do I display all the elements in the ArrayList? I have this code right now: public Car ...

Apr 27, 2013 · I have a List of Double objects in Java. I want to sort the ArrayList in descending order. Input ArrayList:

ArrayList or List declaration in Java has questioned and answered how to declare an empty ArrayList but how do I declare an ArrayList with values? I've tried the following but it returns a syntax ...

Add multiple items to an already initialized arraylist in Java Asked 12 years, 11 months ago Modified 3 years, 8 months ago Viewed 219k times