Convert array of object to array of primitive? : Arrays « Collections Data Structure « Java

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Java » Collections Data Structure » Arrays Screenshots  Convert array of object to array of primitive?     import org.apache.commons.lang.ArrayUtils; public class Main {   public static void main(String[] args) {     Integer[] integers = { new Integer(1), new Integer(2), new Integer(3), new Integer(5),         new Integer(8), new Integer(13), new Integer(21), new Integer(34), new Integer(55) };     int[] fibbos = ArrayUtils.toPrimitive(integers);     System.out.println(ArrayUtils.toString(fibbos));   } }          Related examples in the same category 1. illustrates how to use some of the methods of the Arrays class: 2. Sorting, Searching, and Inserting into a sorted array 3. Demonstrate use of Arrays.sort on Booleans 4. Convert an Array to a Vector 5. Convert Array to Collection 6. Compare if two array is equal 7. Array Search Test 8. Array Fill Test 9. Copy some items of an array into another array 10. Static methods from Arrays 11. Sort an array 12. Sort an array: case-sensitive 13. Sort an array: case-insensitive 14. Java Sort byte Array 15. Java Sort char Array 16. Java Sort double Array 17. Java Sort float Array 18. Expanding an Array 19. Compare two byte type arrays 20. Compare two char type arrays 21. Compare two short type arrays 22. Compare two int type arrays 23. Compare two long type arrays 24. Compare two float type arrays 25. Compare two double type arrays 26. Filling Elements in an Array: boolean type 27. Filling Elements in an Array: byte type 28. Filling Elements in an Array: char type 29. Filling Elements in an Array: short type 30. Filling Elements in an Array: int type 31. Filling Elements in an Array: long type 32. Filling Elements in an Array: float type 33. Filling Elements in an Array: double type 34. filling object arrays: 35. fill to a contiguous range of elements in an array: boolean array 36. Fill to a contiguous range of elements in an array: byte array 37. Fill to a contiguous range of elements in an array: char array 38. Fill to a contiguous range of elements in an array: short array 39. Fill to a contiguous range of elements in an array: int array 40. Fill to a contiguous range of elements in an array: long array 41. Fill to a contiguous range of elements in an array: float array 42. Use Arrays.asList() to convert Array to List 43. Merge (or add) two arrays into one 44. Fill to a contiguous range of elements in an array: double array 45. Fill to a contiguous range of elements in an array: String array 46. Minimum and maximum number in array 47. Finding an Element in a Sorted Array 48. Shuffle elements of an array 49. Shifting Elements in an Array: Shift all elements right by one 50. Shifting Elements in an Array: Shift all elements left by one 51. Use java.util.Arrays.deepToString() to dump the multi-dimensional arrays 52. use Arrays.copyOf to copy array 53. If the element is a primitive type. 54. When comparing Object arrays, null elements are equal. If the elements are not null, Object.equals() is used. 55. Comparing Arrays: null arrays are equal 56. Compare two boolean arrays and null