java代码圣诞快乐 圣诞节快乐代码书写

java 链表的输出问题

几位的回答都比较清楚了,我想另外说点问题

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你本就不应该加入‘表尾’这个属性,在数据结构中链表的特点就是能用一个地址带一个长串数据链的,不用这个属性的话思路会更加清晰。我也用java模拟过一些基本数据结构:

public class MyNodeT {

public T value;

public MyNodeT next;

public MyNode() {

}

public MyNode(T value) {

this.value = value;

}

public MyNode(MyNodeT t) {

this.value = t.value;

this.next = t.next;

}

public void connect(MyNodeT t){

this.next = t;

}

@Override

public String toString() {

return null==value?"":value+"-";

}

}

在这个节点定义的基础上的链表定义:

public class MyLinkListT{

public MyNodeT next;

public MyLinkList() {

this.next = new MyNodeT();

}

public MyLinkList(T[] tList) {

if(tList.length==0)return;

next = new MyNodeT(tList[0]);

MyNodeT temp = next;

for (int i = 1; i tList.length; i++) {

temp.connect(new MyNodeT(tList[i]));

temp = temp.next;

}

}

@Override

public String toString() {

StringBuilder sb = new StringBuilder();

MyNodeT t = next;

while (null != t) {

sb.append(t);

t = t.next;

}

return sb.toString();

}

}

然后是相关的操作类:

public class LinkListAction {

MyLinkListComparable list;

public LinkListAction(MyLinkListComparable list) {

this.list = list;

}

/**

* 头插法建立单链表(数组)

* */

public void createFromHead(Comparable...objects){

MyNodeComparable start;

for (int i = 0; i objects.length; i++) {

start = new MyNodeComparable(objects[i]);

start.next = list.next;

list.next = start;

}

}

/**

* 尾插法建立单链表(数组)

* */

public void createFromTail(Comparable...objects){

MyNodeComparable start;

MyNodeComparable end = list.next;

for (int i = 0; i objects.length; i++) {

start = new MyNodeComparable(objects[i]);

end.next = start;

end = start;

}

end.next = null;

}

/**

* 在单链表中查找第i个结点

* */

public MyNodeComparable get(int i){

if(i 0)return null;

MyNodeComparable node = list.next;

int index = 0;

while (node != null index i) {

node = node.next;

index++;

}

return node;

}

/**

* 在单链表中的按值查找

* */

public MyNodeComparable locate(Comparable obj){

if(null == obj)return new MyNodeComparable();

MyNodeComparable node = list.next;

while (node != null !obj.equals(node.value)) {

node = node.next;

}

return node;

}

/**

* 求单链表的长度

* */

public int getLength(){

int length = 0;

MyNodeComparable node = list.next;

while(null != (node = node.next)){

length++;

}

return length;

}

/**

* 单链表的插入操作(按位置)

* */

public void insert(Comparable obj,int location){

int length = 0;

MyNodeComparable node = list.next;

while(node!=null location != length++){node = node.next;}

if(null == node)throw new RuntimeException("插入位置有误!");

MyNodeComparable inserter = new MyNodeComparable(obj);

inserter.next = node.next;

node.next = inserter;

}

/**

* 删除数据

* */

public Comparable delete(int i){

int length = 0;

MyNodeComparable node = list.next;

while(node!=null i != length++){node = node.next;}

if(null == node)throw new RuntimeException("删除位置有误!");

Comparable o = node.next.value;

node.next = node.next.next;

return o;

}

/**

* 合并两个有序的单链表

* */

public static MyLinkListComparable mergeLinkList(MyLinkListComparable la,MyLinkListComparable lb){

MyLinkListComparable lc = new MyLinkListComparable();

MyNodeComparable pc = lc.next;

MyNodeComparable pa = la.next.next;

MyNodeComparable pb = lb.next.next;

while(null != pa || null != pb){

if(null == pa){

pc.next = pb;

break;

}

if(null == pb){

pc.next = pa;

break;

}

if(pa.value.compareTo(pb.value) = 0){

pc.next = pa;

pa = pa.next;

}

else {

pc.next = pb;

pb = pb.next;

}

pc = pc.next;

}

return lc;

}

@Override

public String toString() {

return list.toString();

}

public static void main(String[] args) {

MyLinkListComparable list1 = new MyLinkListComparable();

MyLinkListComparable list2 = new MyLinkListComparable();

LinkListAction lla = new LinkListAction(list1);

// lla.createFromHead(1,3,4,6,8,10);

lla.createFromTail(1,3,4,6,8,10);

LinkListAction llb = new LinkListAction(list2);

llb.createFromTail(2,5,7,9,11);

System.out.println(lla);

System.out.println(llb);

// System.out.println(lla.locate(7));

// System.out.println(lla.getLength());

//

// lla.insert(20, 6);

// System.out.println(lla);

// System.out.println(lla.delete(4));

System.out.println(LinkListAction.mergeLinkList(lla.list, llb.list));

System.out.println(lla);

System.out.println(llb);

}

}

我还写了一些其他的简单数据结构,感兴趣的话,你可以Hi我一下,呵呵。

圣诞快乐!

用java写一个新春贺卡,可转exe的

JAVA 做多媒体,不是强项

转 .exe 可以使用 exe4j

~

求助用JAVA打印一个圣诞树

朋友 你说的最好一句话我没明白?

你能具体说下吗?最好弄个图片。

我跟你说一下思路:就是用for循环就可以.

---给你答案 供你参考,仓促写的:

public class ChristmasTree {

int x = 2;

int i = 0;

public void tree() {

for(i=0; i3; i++) {

for(int j=x; j=0; j--) {

System.out.print(" ");

}

x--;

for(int k=0; k=i; k++) {

System.out.print("*"+" ");

}

System.out.println();

}

}

public static void main(String args[]) {

new ChristmasTree().tree();

}

}


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