一、單鏈表定義
class HeroNode {
public int no;
public String name;
public String nickname;
public HeroNode next;
public HeroNode(int no, String name, String nickname) {
this.no = no;
this.name = name;
this.nickname = nickname;
}
@Override
public String toString() {
return "HeroNode{" +
"no=" + no +
", name='" + name + '\'' +
", nickname='" + nickname + '\'' +
", next=" + next +
'}';
}
}
二、添加節點
public void add(HeroNode heroNode) {
HeroNode temp = head;
while (true) {
if(temp.next == null) {
break;
}
temp = temp.next;
}
temp.next = heroNode;
}
三、按照順序添加節點
public void addByOrder(HeroNode heroNode) {
HeroNode temp = head;
boolean flag = false;
while (true) {
if(temp.next == null) {
break;
}
if(temp.next.no > heroNode.no) {
break;
}else if(temp.next.no == heroNode.no) {
flag = true;
break;
}
temp = temp.next;
}
if(flag) {
System.out.println(heroNode.no + " cun zai");
}else {
heroNode.next = temp.next;
temp.next = heroNode;
}
}
四、按照順序顯示鏈表
public void list() {
if(head.next == null) {
System.out.println("null");
return;
}
HeroNode temp = head.next;
while (true) {
if(temp == null) {
break;
}
System.out.println(temp);
temp = temp.next;
}
}
五、編輯節點
public void update(HeroNode newHeroNode) {
if(head.next == null) {
System.out.println("LinkedList is null~~");
return;
}
HeroNode temp = head.next;
boolean flag = false;
while (true) {
if(temp == null) {
break;
}
if(temp.no == newHeroNode.no) {
flag = true;
break;
}
temp = temp.next;
}
if(flag) {
temp.name = newHeroNode.name;
temp.nickname = newHeroNode.nickname;
}else {
System.out.println("no find " + newHeroNode.no);
}
}
六、刪除節點
public void del(int no) {
HeroNode temp = head;
boolean flag = false;
while (true) {
if(temp.next == null) {
break;
}
if(temp.next.no == no) {
flag = true;
break;
}
temp = temp.next;
}
if(flag) {
temp.next = temp.next.next;
}else {
System.out.println("bu cun zai " + no);
}
}
七、定義頭結點
private HeroNode head = new HeroNode(0, "", "");
八、測試
public static void main(String[] args) {
HeroNode heroNode1 = new HeroNode(1,"1","1");
HeroNode heroNode2 = new HeroNode(2,"2","2");
HeroNode heroNode3 = new HeroNode(3,"3","3");
HeroNode heroNode4 = new HeroNode(4,"4","4");
SingleLinkedList singleLinkedList = new SingleLinkedList();
singleLinkedList.addByOrder(heroNode1);
singleLinkedList.addByOrder(heroNode4);
singleLinkedList.addByOrder(heroNode3);
singleLinkedList.addByOrder(heroNode2);
singleLinkedList.addByOrder(heroNode1);
singleLinkedList.list();
System.out.println();
HeroNode newNode = new HeroNode(2, "22", "22");
singleLinkedList.update(newNode);
singleLinkedList.list();
singleLinkedList.del(1);
System.out.println();
singleLinkedList.list();
}