Lists inside lists in java
public class GuiTest { public static void main(String[] args) { List<List<Integer>> MainList = new ArrayList<List<Integer>>(); Random NewRandomNumber = new Random(); for (int i = 0; i < 10; i++) { List<Integer> SecondList = new ArrayList<Integer>(); MainList.add(SecondList); for (int i2 = 0; i2 < 10; i2++) { SecondList.add(NewRandomNumber.nextInt(6)); } }
how to create a list in java
import java.util.ArrayList; import java.util.LinkedList; import java.util.List; class scratch{ public static void main(String[] args) { List<Integer> aList = new ArrayList<>(); List<Integer> lList = new LinkedList<>(); } }
java list of lists
ArrayList<ArrayList<String>> listOLists = new ArrayList<ArrayList<String>>(); ArrayList<String> singleList = new ArrayList<String>(); singleList.add("hello"); singleList.add("world"); listOLists.add(singleList); ArrayList<String> anotherList = new ArrayList<String>(); anotherList.add("this is another list"); listOLists.add(anotherList);
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