Convert two dimensional array to List in java?

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I have am X n two dimensional array of an Object say Foo. So I have Foo[][] foosArray. What is the best way to convert this into a List<Foo> in Java?

This is a nice way of doing it for any two-dimensional array, assuming you want them in the following order:

[[array[0]-elems], [array[1]elems]...]

public <T> List<T> twoDArrayToList(T[][] twoDArray) {
    List<T> list = new ArrayList<T>();
    for (T[] array : twoDArray) {
    return list;

Transfer a Two-Dimensional array to Two-Dimensional ArrayList , Case 1 It is short, but need to covert the primitive type to reference type ( int to Integer ) as needed for Arrays.asList(); Integer[][] pattern = new Integer[][]{ { 1, 1, 1,​  I have am X n two dimensional array of an Object say Foo. So I have Foo[][] foosArray. What is the best way to convert this into a List<Foo> in Java?

Since java-8

List<Foo> collection =  //'array' is two-dimensional

[Solved] convert 2d array to List, Try this: Hide Copy Code. int[,] result = {{ 2,3,7 }, {2,3,5 } ,{2,3,6},{ 2,4,7 }, {2,4,5 } ,{​2,4,6}}; List<int[]> numberArrays = new List<int[]>(); for (int i  The Two Dimensional Array in Java programming language is nothing but an Array of Arrays.In Java Two Dimensional Array, data stored in row and columns, and we can access the record using both the row index and column index (like an Excel File).

for(int i=0;i<m;i++)
    for(int j=0;j<n;j++)

I think other tricks are unnecessary, because, anyway, they'll use this solution.

Array to ArrayList Conversion in Java, List interface. An array can be converted to an ArrayList using the following methods: Using ArrayList.add() method to manually add the array elements in the​  I'm running into some issues since I'm not very familiar with Java, though. I have a function that takes the array, converts it into a list, attempts to add a name of the user's choice, and then attempts to convert that list BACK to the array that it once was. And then I have another function that attempts to display everything in the array.

Multidimensional Collections in Java, Java program for Multidimensional ArrayList */. import java.util.*;. class MultidimensionalArrayList {. /*function for creating and returning 2D ArrayList*/. static List  I have a two dimensional array and I need to convert it to a List (same object). I don't want to do it with for or foreach loop that will take each element and add it to the List. Is there some oth

Use java8 "flatMap" to play around. One way could be following

List<Foo> collection =;

How to convert a list of list integers to 2D int array in Java, You can check this source code for able to change list of list integers to 2D int array. public static void main (String[] args){. List<List<Integer>> list =  How do I convert an array to a list in Java? I used the Arrays.asList() but the behavior (and signature) somehow changed from Java SE 1.4.2 (docs now in archive) to 8 and most snippets I found on

Javanotes 8.1, Section 7.5 -- Two-dimensional Arrays, Java does not actually have two-dimensional arrays. In a true 2D array, all the elements of the array occupy a continuous block of memory, but that's not true in​  I am using the function below to convert a multidimensional array of several arrays which have tuples inside them. The result should be similar to the desired_result. sample_md_array = [[(99, 'str

Converting Two dimensional array into an Array list, Converting Two dimensional array into an Array list. So I am working on a homework assignment. I say that ahead of time so no one thinks i  By using Arrays.asList(): This is an easy method to convert Array into list.We just need to pass array as parameter to asList() method.It is a Static method available in Arrays class so, called it by class name Arrays.asList().

Two-Dimensional Arrays \, Two-dimensional Arrays. Daniel Shiffman. An array keeps track of multiple pieces of information in linear order, a one-dimensional list. However, the data  Well it seems that rows is being passed to numberArrays.Add() by reference and by declaring int[] rows outside of the first for loop all references to rows inside of the numberArrays List was being updated with the new values.

  • You mean to 1 List, or to a "2D" List?
  • Which order do you want the elements to appear in, or do you want a list of lists?
  • Do you want a list of arrays or a list of lists?
  • @nhahtdh I edited the question.
  • Please go through this---…