GamerList

public class GamerList {

    private Node head;

    public GamerList() {
        this.head = null;
    }

    public void insert(String name, int score) {
        Node newNode = new Node(name, score);
        if (head == null) {
            head = newNode;
        }
        else if (head.score <= newNode.score) {
            newNode.next = head;
            head = newNode;
        }
        else
            insertLast(newNode);

    }

    public void insertLast(Node node) {
        if (head == null)
            head = node;
        else if (head.next == null)
            head.next = node;
        else {
            Node ref = head;
            while (ref.next != null) {
                ref = ref.next;
            }
            ref.next = node;
        }
    }

    public void sort() {
        for (Node ref = head; ref != null; ref = ref.next) {
            for (Node ref2 = ref.next; ref2 != null; ref2 = ref2.next) {
                if (ref.score < ref2.score) {
                    int tempScore = ref.score;
                    String tempName = ref.name;
                    ref.score = ref2.score;
                    ref.name = ref2.name;
                    ref2.score = tempScore;
                    ref2.name = tempName;
                }
            }
        }
        if (getSize() > 10) {
            Node ref = head;
            int count = 0;
            while (count < 9)
            {
                ref = ref.next;
                count++;
            }
            ref.next = null;
        }
    }

    public void printList() {
        if (head == null)
            System.out.println("List is empty");
        Node ref = head;
        while (ref != null) {
            System.out.println(ref.name + ": " + ref.score);
            ref = ref.next;
        }
    }

    public int getSize() {
        Node ref = head;
        int count = 0;
        while (ref != null) {
            ref = ref.next;
            count++;
        }
        return count;
    }

    class Node {
        private String name;
        private int score;
        private Node next;

        public Node(String name, int score) {
            this.name = name;
            this.score = score;
            this.next = null;
        }
    }
}