public class Program {
    public static void main(String[] args) {
        LinkedList list = new LinkedList();
        assert list.size() == 0 : "Expected 0 but was " + list.size();
        
        // All tests are passed!
        System.out.println("All tests are passed!");
    }
}
@@ -278,8 +278,98 @@
 %0A    %7D%0A%7D
+%0A%0A// LinkedList class%0Aclass LinkedList %7B%0A    public int size() %7B%0A        return 0;%0A    %7D%0A%7D

create LinkedList class and its size() method