why i got this : Main.java uses unchecked or unsafe operations. Note: Recompile with -Xlint:unchecked for details.

Question

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

class Main {
public static void main(String[] args) {
//System.out.println("Hello world!");
String [] stuff= { "babies", "watermelon", "melon", "fudge"};
LinkedList thelist = new LinkedList<String>(Arrays.asList(stuff));
System.out.println(thelist);
thelist.addFirst("thefirst");
thelist.addLast("thelast");
System.out.println(thelist);
}
}

Answer 1

Hey Wally, all the errors of programming languages can be found in Stack Overflow and their website.
For example, from a brief google search of this error I found the next: https://stackoverflow.com/questions/197986/what-causes-javac-to-issue-the-uses-unchecked-or-unsafe-operations-warning