Wednesday 28 November 2012

Copy all elements of Java ArrayList to an Object Array Example

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mport java.util.ArrayList;

public class CopyElementsOfArrayListToArrayExample {

  public static void main(String[] args) {
    //create an ArrayList object
    ArrayList arrayList = new ArrayList();
  
    //Add elements to ArrayList
    arrayList.add("1");
    arrayList.add("2");
    arrayList.add("3");
    arrayList.add("4");
    arrayList.add("5");
  
    /*
      To copy all elements of java ArrayList object into array use
      Object[] toArray() method.
    */
  
    Object[] objArray = arrayList.toArray();
  
    //display contents of Object array
    System.out.println("ArrayList elements are copied into an Array.
                                                  Now Array Contains..");
    for(int index=0; index < objArray.length ; index++)
      System.out.println(objArray[index]);
  }
}
 

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