Using LinkedList to make a stack

Source: Internet
Author: User

Import java.util.LinkedList; public class Stack {private LinkedList list = new LinkedList (), public Stack () {} public Object peek () {return List.peek ( ); Take stack top element} public Object pop () {return list.poll ();///Out Stack} public boolean empty () {return list.isempty ();//Determine if stack is empty} publi c void push (object o) {List.addfirst (o);//into stack} public int search (object o) {return list.indexof (o);//Find element in stack} public St Ring toString () {return list.tostring ():} public static void Main (string[] args) {stack s = new Stack (); S.push ("CC"); s . push ("DD"); S.push ("Ddy"); System.out.println (S.peek ()); System.out.println (s); S.pop (); System.out.println (s); System.out.println ( ("CC")); } }

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