OnJava8-Examples/onjava/Stack.java at master · BruceEckel/OnJava8-Examples · GitHub

19 lines (18 loc) · 634 Bytes

// onjava/Stack.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// A Stack class built with an ArrayDeque

package onjava;

import java.util.Deque;

import java.util.ArrayDeque;

public class Stack<T> {

private Deque<T> storage = new ArrayDeque<>();

public void push(T v) { storage.push(v); }

public T peek() { return storage.peek(); }

public T pop() { return storage.pop(); }

public boolean isEmpty() { return storage.isEmpty(); }

@Override public String toString() {

return storage.toString();

}

Expand file tree