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Create List from Java Object Array Example

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  1. /*
  2.   Create List from Java Object Array Example
  3.   This java example shows how to create a List from an array of type Object using
  4.   asList method of Arrays class.
  5. */
  6.  
  7. import java.util.Arrays;
  8. import java.util.List;
  9. import java.util.Iterator;
  10.  
  11. public class CreateListFromObjectArrayExample {
  12.  
  13.   public static void main(String[] args) {
  14.     //create an array of type Object, in this case we will create String array
  15.     String[] strArray = new String[]{"Object","Array","Converted","To","List"};
  16.    
  17.     /*
  18.       To create List from an array of type Object use,
  19.       static List asList(Object[] objArray) method of Arrays class.
  20.      
  21.       This method returns a fixed sized list backed by original array.
  22.     */
  23.    
  24.     List list = Arrays.asList(strArray);
  25.    
  26.     //get an iterator
  27.     Iterator itr = list.iterator();
  28.    
  29.     //iterate through list created from Array
  30.     System.out.println("List created from an Array of type Object contains,");
  31.     while(itr.hasNext())
  32.       System.out.println(itr.next());
  33.    
  34.   }
  35. }
  36.  
  37. /*
  38. Output would be
  39. List created from an Array of type Object contains,
  40. Object
  41. Array
  42. Converted
  43. To
  44. List
  45. */