Java Compiler : Java Syntax
import java.util.LinkedList;
public class Main {
    public static void main(String[] args) {
     LinkedList doubles_nums=new LinkedList();
     doubles_nums.add(12.5211312d);
     doubles_nums.add(23.4213123d);
     doubles_nums.add(52.2312312d);
     doubles_nums.add(78.2412314d);
     doubles_nums.add(98.4223423d);
        double value= doubles_nums.getFirst();
     System.out.println("\nFirst Element of LinkedList is: "+value);  // This gives output as 12.5211312
    }
}