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Nov 22nd, 2019
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  1. package com.scalefocus;
  2.  
  3. import java.util.ArrayList;
  4. import java.util.List;
  5. import java.util.Scanner;
  6.  
  7. public class Main {
  8.  
  9. public static void main(String[] args) {
  10. Scanner sc = new Scanner(System.in);
  11. List<Integer> nums = new ArrayList<Integer>();
  12.  
  13. nums.add(5);
  14. nums.add(2);
  15.  
  16. nums.add(0, -5);
  17. nums.add(1, 3);
  18.  
  19. nums.add(100, -50); //exception!!!
  20.  
  21. for (Integer item : nums) {
  22. System.out.printf("%d ", item);
  23. }
  24. System.out.println();
  25. for (int i = 0; i < nums.size(); i++) {
  26. System.out.printf("nums[%d] = %d ",
  27. i, nums.get(i));
  28. }
  29.  
  30. }
  31. }
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