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java - Initialize ArrayList<ArrayList<Integer>> - Stack Overflow Arrays.asList doesn't return a java.util.ArrayList.It does return an instance of a class called ArrayList, coincidentally - but that's not java.util.ArrayList.
java - Initialising An ArrayList - Stack Overflow 18 Nov 2010 · This depends on what you mean by initialize. To simply initialize the variable time with the value of a reference to a new ArrayList, you do. ArrayList<String> time = new …
Java: Initialize ArrayList in field OR constructor? WORKS when I initialize the ArrayList as a field: public class GroceryBill { private String clerkName ...
how to initialize static ArrayList<myclass> in one line i have MyClass as MyClass(String, String, int); i know about how to add to add to ArrayList in this way: MyClass.name = "Name"; MyClass.address = "adress";adress MyClass.age = age; then …
Java - initialize arraylist at the constructor - Stack Overflow 23 Jul 2014 · It defines an anonymous class that is a subclass of ArrayList:. return new ArrayList<Module>() { ... }; And this subclass contains an instance initializer block, i.e. a block …
java - Initialize an Array of ArrayList - Stack Overflow 19 Apr 2012 · At the very basics ArrayList will always implicitly have items of type Object. So . test[i] = new ArrayList<String>(); because test[i] has type of ArrayList. The bit. test[3] = new …
How to initialize 2D ArrayList in Java? - Stack Overflow Can I initialize a array/arraylist<int> of 2D array in Java? 1. Initializing 2D arrays in Java. 1.
Initialization of an ArrayList in one line - Stack Overflow 17 Jun 2009 · Usually you should just declare variables by the most general interface that you are going to use (e.g. Iterable, Collection, or List), and initialize them with the specific …
java - How to declare an ArrayList with values? - Stack Overflow For example, here are the constructors of the ArrayList class: ArrayList() Constructs an empty list with an initial capacity of ten. ArrayList(Collection<? extends E> c) (*) Constructs a list …
java - how to initialize arraylist of arraylist - Stack Overflow But how can i initialize arraylist of arraylist? public ArrayList<ArrayList<Boolean>> timeTable = new ArrayList<ArrayList<Boolean>>(Collections.nCopies(9, true)); It should mean that outer …