Java list initialize

List is an Interface, you cannot instantiate an . I want to create a list of options for testing purposes. Actually, probably the best way to initialize the ArrayList is the method .

I am searching for the shortest way (in code) to initialize list of strings. You can create a new object using the constructor that accepts a Collection. Initialization of an ArrayList in one line.

In this Java tips we will see this trick which allow you to create and initialize List much like an Array. This tip can also save lot of time while creating test program . Creating a List and populating it with a set of elements is a common programming task in Java. In this blog post, I'm going to describe four ways . In the last post we discussed about class ArrayList in Java and it's important methods.

Here we are sharing multiple ways to initialize an ArrayList with examples. As far as I know, there isn't a way to initialize the ArrayList as what you normally do with Java array. But of course, there's nothing stopping you . Beginning Java - Unit Arrays - Initializing Arrays.

So for my program, I need to create and ArrayList and then in a method initialize it to an empty list.

I will post my program here so you guys . Create a new list using java List. Double brace initialization, Arrays. Couple of ways to create and initialize an ArrayList from values of Array in Java. One of the popular example is creating ArrayList of String and populating them . In this example, there are two fields with lazy initialization - fHashCode and. Initialize variables where they are declared if possible.

It reduces the memory load on the reader.