Java Collections.singletonList(T o)

public static <T> List <T> singletonList(T o)

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/*from   w  w  w.  java2s . com*/
public class Main {
     public static void main(String args[]) {
      // create an array of string objs
      String init[] = { "One", "Two", "Three", "One", "Two", "Three","from java2s.com" };
      
      // create one list
      List<String> list = new ArrayList<String>(Arrays.asList(init));
      
      System.out.println("List value before: "+list);
      
      // create singleton list
      list = Collections.singletonList("One");
      
      System.out.println("List value after: "+list);
   }
}