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Dec 4th, 2016
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  1. import java.util.*;
  2.  
  3. public class ArrayListMatrix {
  4.  
  5. public static void main(String args[]){
  6.  
  7. List<ArrayList<Integer>> a = new ArrayList<>();
  8.  
  9. ArrayList<Integer> a1 = new ArrayList<Integer>();
  10. ArrayList<Integer> a2 = new ArrayList<Integer>();
  11. ArrayList<Integer> a3 = new ArrayList<Integer>();
  12.  
  13. a1.add(1);
  14. a1.add(2);
  15. a1.add(3);
  16.  
  17. a2.add(4);
  18. a2.add(5);
  19. a2.add(6);
  20.  
  21. a3.add(7);
  22. a3.add(8);
  23. a3.add(9);
  24.  
  25. a.add(a1);
  26. a.add(a2);
  27. a.add(a3);
  28.  
  29. for(ArrayList obj:a){
  30.  
  31. ArrayList<Integer> temp = obj;
  32. for(Integer job : temp){
  33. System.out.print(job+" ");
  34. }
  35. System.out.println();
  36. }
  37. }
  38. }
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