liststack.java

来自「java 的源代码」· Java 代码 · 共 64 行

package com.reddragon2046.base.utilities.data;


// Referenced classes of package com.reddragon2046.base.utilities.data:
//            SecondOrderSequence, Array, Sequence, Stack

public class ListStack extends SecondOrderSequence
    implements Stack
{

    public ListStack()
    {
        super(new Array());
    }

    public ListStack(Sequence sequence)
    {
        super((Sequence)sequence.clone());
    }

    public ListStack(ListStack stack)
    {
        super((Sequence)stack.getUnderlyingSequence().clone());
    }

    public Object clone()
    {
        return new ListStack((Sequence)getUnderlyingSequence().clone());
    }

    public String toString()
    {
        return "ListStack( " + getUnderlyingSequence().toString() + " )";
    }

    public Object top()
    {
        return getUnderlyingSequence().back();
    }

    public boolean add(Object object)
    {
        push(object);
        return true;
    }

    public void push(Object object)
    {
        getUnderlyingSequence().pushBack(object);
    }

    public Object pop()
    {
        return getUnderlyingSequence().popBack();
    }

    public void swap(ListStack stack)
    {
        super.swap(stack);
    }

    static final long serialVersionUID = 0x1564adb9e749dc4L;
}