package com.shb.java;
public class Demo8 {
public Node headNode = null;
/**
* @param args
* @date 2016-9-28
* @author shaobn
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Demo8 linkedList = new Demo8();
linkedList.addNode(1);
linkedList.addNode(2);
linkedList.addNode(34);
linkedList.addNode(14);
// System.out.println(linkedList.getLength());
linkedList.deleteNode(1);
linkedList.printNode();
}
/**
* 插入到链表中
* @param data
* @date 2016-9-28
* @author shaobn
*/
public void addNode(int data){
Node node = new Node(data);
if(headNode==null){
headNode = node;
return;
}
Node tmpNode = headNode;
if(tmpNode.next==null){
tmpNode.next = node;
return;
}
while(tmpNode.next!=null){
tmpNode = tmpNode.next;
}
tmpNode.next = node;
}
/**
* 打印节点的值
*
* @date 2016-9-28
* @author shaobn
*/
public void printNode(){
Node tmpNode = headNode;
while(tmpNode!=null){
System.out.println(tmpNode.data);
tmpNode = tmpNode.next;
}
}
/**
* 删除节点
*
* @date 2016-9-28
* @author shaobn
*/
public void deleteNode(int index){
if(index<=0||index>this.getLength()){
throw new RuntimeException("索引选取不合适");
}
int count = 1;
Node tmpNode = headNode;
while(tmpNode.next!=null){
count++;
if(index==1){
headNode = tmpNode.next;
break;
}
if(count==index){
tmpNode.next = tmpNode.next.next;
}
tmpNode = tmpNode.next;
continue;
}
}
/**
* 获得本链表的长度
* @return
* @date 2016-9-28
* @author shaobn
*/
public int getLength(){
int length = 0;
Node tmpNode = this.headNode;
while(tmpNode!=null){
length++;
tmpNode = tmpNode.next;
}
return length;
}
}
/**
* 节点的类
* @author shaobn
* @date 2016-9-28
* @package_name com.shb.java
*/
class Node{
public int data;
public Node next;
public Node(int data){
this.data = data;
}
}