How to make a flat list out of a list of lists?
I want to flatten this list of lists: [[1, 2, 3], [4, 5, 6], [7], [8, 9]] into: [1, 2, 3, 4, 5, … Read more
multidimensional-array
Java Comparator class to sort arrays
[…] How should Java Comparator class be declared to sort the arrays by their first elements in decreasing order […] Here’s a complete … Read more
Getting the array length of a 2D array in Java
Consider public static void main(String[] args) { int[][] foo = new int[][] { new int[] { 1, 2, 3 }, new int[] { … Read more
Create a two dimensional string array anArray[2][2]
Looks like this is what you want int columns = 2; int rows = 2; String[][] newArray = new String[columns][rows]; newArray[0][0] = “France”; … Read more