针对带附加头结点的单链表，是编写下列程序：建立函数create；根据一维数组a【n】

package com.test.list;

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class LinkedList {

public static void main(String[] args) {

MyList l = new MyList();
MyListNode node = l.createList();
l.printNode(node);
//l.searchNode(node, 4);
//node = l.insertNode(node, 3, "g");
//l.printNode(node);
node = l.deleteNode(node, "d");
l.printNode(node);
}
}

class MyListNode {

public String data;

public MyListNode nextNode;
}

class MyList {

public MyListNode createList() {

MyListNode node = new MyListNode();

MyListNode q ,p;
q = new MyListNode();
q = node;

while (true) {

String s = null;

try {
BufferedReader br = new BufferedReader(new InputStreamReader(
System.in));
Syst