13518219792
public class ZLinkedList {
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private int size;
private Node head;
public ZLinkedList(){
size = 0;
}
public 卜漏void headInsert(Object obj){
//if(null== obj) {// do something}
Node temp = new Node(obj);
if(size ==0){
head = temp;
}else{
temp.setNext(head);
head = temp;
}
size++;
}
public void preOrder(){
int length = size;
Node temp = head;
for(int i= 0;i length;i ++){
System.out.println(temp.getValue());
temp = temp.getNext();
}
}
private static class Node{
private Object value;
private Node next;
Node(){
}
Node(Object val){
this.value = val;
}
public Object 型弯烂getValue() {
return value;
}
public void setValue(Object value) {
this.value = value;
}
public Node getNext() {
return next;
}
public void setNext(Node next) {
this.next = next;
}
}
public static void main(String[] args) {
ZLinkedList 闹中test = new ZLinkedList();
test.headInsert("1");
test.headInsert("2");
test.headInsert("3");
test.preOrder();
}
}
