Viewing arrays as Lists and converting Lists to arrays. - Java Collection Framework

Java examples for Collection Framework:List

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Description

Viewing arrays as Lists and converting Lists to arrays.

Demo Code

import java.util.LinkedList;
import java.util.Arrays;

public class Main 
{
   // creates a LinkedList, adds elements and converts to array
   public static void main(String[] args)
   {//from   ww  w.  j  a v a2s  .  c  om
      String[] colors = {"black", "blue", "yellow"};
      LinkedList<String> links = new LinkedList<>(Arrays.asList(colors));

      links.addLast("red"); // add as last item
      links.add("pink"); // add to the end
      links.add(3, "green"); // add at 3rd index
      links.addFirst("cyan"); // add as first item      

      // get LinkedList elements as an array     
      colors = links.toArray(new String[links.size()]);

      System.out.println("colors: ");

      for (String color : colors)
         System.out.println(color);
   }  
}

Result


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