ArrayList initialization equivalent to array initialization

java arrays initialization arraylist
Jonathan picture Jonathan · May 3, 2010 · Viewed 209.1k times · Source

I am aware that you can initialize an array during instantiation as follows:

String[] names = new String[] {"Ryan", "Julie", "Bob"};

Is there a way to do the same thing with an ArrayList? Or must I add the contents individually with array.add()?

Answer

meriton picture meriton · May 3, 2010

Arrays.asList can help here:

new ArrayList<Integer>(Arrays.asList(1,2,3,5,8,13,21));

Related questions

How to initialize an array in Java?

I am initializing an array like this: public class Array { int data[] = new int[10]; /** Creates a new instance of Array */ public Array() { data[10] = {10,20,30,40,50,60,71,80,90,91}; } } NetBeans points to an error at this line: data[10] = {10,20,30,40,50,60,71,80,90,91}; How can I solve the problem?

Read More
How to initialize an array of objects in Java

I want to initialize an array of Player objects for a BlackJack game. I've read a lot about various ways to initialize primitive objects like an array of ints or an array of strings but I cannot take the concept …

Read More
initializing a boolean array in java

I have this code public static Boolean freq[] = new Boolean[Global.iParameter[2]]; freq[Global.iParameter[2]] = false; could someone tell me what exactly i'm doing wrong here and how would i correct it? I just need to initialize all the array …

Read More