3
package com.zf.link;
public class Test2 {
//打印结果 为的多少 , 心算
public static void main(String[] args) {
Node n1 = new Node(1);
Node n2 = new Node(2);
Node n3 = new Node(3);
n1.setNext(n2);
n2.setNext(n3);
n2 = n2.next();
System.out.println(n2.data);
System.out.println(n1.next().data);
}
}
class Node{
public int data ;
private Node next ;
public Node(int data){
this.data = data ;
}
public void setNext(Node node){
next = node;
}
public Node next(){
return next;
}
}
2为什么是3,2?


3..2接分来也3
2

2
接分!so easy!!好吧我错了3,2 接分!!!3 ,2
System.out.println(n2.data);
System.out.println(n1.next().data);
其实相当于输出的是n3.data 和n2.data
