Java 11 – Collections to Array

import java.util.Arrays;
import java.util.List;

public class Java11Feature {
   public static void main(String[] args) {		
      List<String> nameList = Arrays.asList("Elavarasan", "John", "Kumar");
      
      // 1. Old way of convert a collection to an array
      String[] names = nameList.toArray(new String[nameList.size()]);
      System.out.println(names.length);
      
      // 2. New way of convert a collection to an array
      names = nameList.toArray(String[]::new);
      System.out.println(names.length);
   }
}

String[] names = namesList.toArray(new String[nameList.size()]);

 String[] names = nameList.toArray(String[]::new);

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