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前言
线性表之栈的Java版实现
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| package com;
public class Stack<T> {
public Node head; public int stackLength;
private class Node { public T data; public Node next;
public Node(T data, Node next) { this.data = data; this.next = next; } }
public Stack() { head = new Node(null, null); stackLength = 0; }
public boolean isEmpyt() { return stackLength==0; }
public int size() { return stackLength; }
public void push(T t) { Node node = new Node(t, null); node.next = head.next; head.next = node; stackLength++; }
public T pop() { if (isEmpyt()) { return null; } Node top = head.next; head.next = head.next.next; stackLength--; return top.data; }
public String toString() { String str = ""; Node n = head; while (n.next!=null) { n = n.next; str += n.data + " "; } return str; }
}
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完成
参考文献
哔哩哔哩——黑马程序员