extends ArrayList to create Stack

     
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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import java.util.ArrayList;

public class FastStack<T> extends ArrayList<T> {

    public void push(T o) {
        add(o);
    }

    public T pop() {
        return remove(size() - 1);
    }

    public boolean empty() {
        return size() == 0;
    }

    public T peek() {
        return get(size() - 1);
    }
}

1.	Demonstration of Stack Class
2.	Stack in java.util
3.	Stack data structure
4.	Bracket Checker
5.	String Reverser Through Stack
6.	Link stack
7.	Triangular numbers
8.	Triangular numbers with stack replaces recursion
9.	Show String Reversals
10.	Generic stack demo with annotation
11.	Character Stack
12.	A faster, smaller stack implementation.
13.	Growable Object stack with type specific access methods
14.	Growable int stack with type specific access methods
15.	Stack for boolean values
16.	Growable String stack with type specific access methods.
17.	A simple integer based stack.
18.	A very simple unsynchronized stack. This one is faster than the java.util-Version.
19.	Pop an empty stack ntry times and catch the resulting exception
20.	Object Stack
21.	Fast stack

extends ArrayList to create Stack : Stack « Collections Data Structure « Java

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