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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. // your code goes here
  13. int[] intArray = new int[]{2,3,4,5,6,7,8};
  14. ArrayList arrayList1 = new ArrayList(Arrays.asList(intArray));
  15. System.out.println("arrayList1.size() = " + arrayList1.size());
  16. //ArrayList<Integer> arrayList2 = new ArrayList<Integer>(Arrays.asList(intArray));
  17.  
  18. Integer[] integerArray = new Integer[]{2,3,4,5,6,7,8};
  19. ArrayList<Integer> arrayList3 = new ArrayList<Integer>(Arrays.asList(integerArray));
  20. System.out.println("arrayList3.size() = " + arrayList3.size());
  21. }
  22. }
Success #stdin #stdout 0.08s 380224KB
stdin
Standard input is empty
stdout
arrayList1.size() = 1
arrayList3.size() = 7