Skip to Content
Home » Java Collections And Data Structures ( java.util package ) » ArrayList » Copy all elements of Java ArrayList to an Object Array Example

Copy all elements of Java ArrayList to an Object Array Example

  1. /*
  2.   Copy all elements of Java ArrayList to an Object Array Example
  3.   This Java Example shows how to copy all elements of Java ArrayList object to an
  4.   array of Objects using toArray method.
  5. */
  6.  
  7. import java.util.ArrayList;
  8.  
  9. public class CopyElementsOfArrayListToArrayExample {
  10.  
  11.   public static void main(String[] args) {
  12.     //create an ArrayList object
  13.     ArrayList arrayList = new ArrayList();
  14.    
  15.     //Add elements to ArrayList
  16.     arrayList.add("1");
  17.     arrayList.add("2");
  18.     arrayList.add("3");
  19.     arrayList.add("4");
  20.     arrayList.add("5");
  21.    
  22.     /*
  23.       To copy all elements of java ArrayList object into array use
  24.       Object[] toArray() method.
  25.     */
  26.    
  27.     Object[] objArray = arrayList.toArray();
  28.    
  29.     //display contents of Object array
  30.     System.out.println("ArrayList elements are copied into an Array.
  31.                                                   Now Array Contains..");
  32.     for(int index=0; index < objArray.length ; index++)
  33.       System.out.println(objArray[index]);
  34.   }
  35. }
  36.  
  37. /*
  38. Output would be
  39. ArrayList elements are copied into an Array. Now Array Contains..
  40. 1
  41. 2
  42. 3
  43. 4
  44. 5
  45. */

Receive Latest Java examples in your email: 

Related Java Examples

Copy Elements of Vector to Java ArrayList Example
ArrayList
Java ArrayList Example
Copy Elements of One Java ArrayList to Another Java ArrayList Example
Java ArrayList to String Array Example
Add an element to specified index of Java ArrayList Example
Replace an element at specified index of Java ArrayList Example
Copy Elements of ArrayList to Java Vector Example