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- import java.util.*;
- public class ArrayListMatrix {
- public static void main(String args[]){
- List<ArrayList<Integer>> a = new ArrayList<>();
- ArrayList<Integer> a1 = new ArrayList<Integer>();
- ArrayList<Integer> a2 = new ArrayList<Integer>();
- ArrayList<Integer> a3 = new ArrayList<Integer>();
- a1.add(1);
- a1.add(2);
- a1.add(3);
- a2.add(4);
- a2.add(5);
- a2.add(6);
- a3.add(7);
- a3.add(8);
- a3.add(9);
- a.add(a1);
- a.add(a2);
- a.add(a3);
- for(ArrayList obj:a){
- ArrayList<Integer> temp = obj;
- for(Integer job : temp){
- System.out.print(job+" ");
- }
- System.out.println();
- }
- }
- }
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