I want to flatten this list of lists: [[1, 2, 3], [4, 5, 6], [7], [8, 9]] into:...
[…] How should Java Comparator class be declared to sort the arrays by their first elements in decreasing order […] Here’s a complete example using Java 8: import java.util.*;...
Consider public static void main(String args) { int foo = new int { new int { 1, 2, 3 }, new int { 1, 2, 3, 4}, }; System.out.println(foo.length);...
Looks like this is what you want int columns = 2; int rows = 2; String newArray = new String[columns][rows]; newArray[0][0] = "France"; newArray[0][1] = "Blue"; newArray[1][0] = "Ireland";...