22 lines
649 B
Java
22 lines
649 B
Java
// onjava/Stack.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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// Making a stack from a LinkedList
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package onjava;
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import java.util.LinkedList;
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public class Stack<T> {
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private LinkedList<T> storage = new LinkedList<>();
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public void push(T v) { storage.addFirst(v); }
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public T peek() { return storage.getFirst(); }
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public T pop() { return storage.removeFirst(); }
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public boolean empty() {
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return storage.isEmpty();
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}
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@Override
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public String toString() {
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return storage.toString();
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}
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}
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