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/**
* ʹÓÃÊý×éʵÏÖ¶ÑÕ»£¬°üÀ¨ÈëÕ»¡¢³öÕ»¡¢»ñÈ¡¶ÑÕ»³¤¶È¡¢
* @author Adair
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public class Stack {

Object[] data;

int maxSize;
//Õ»¶¥Î»ÖÃ
int top;

public Stack(int maxSize) {
this.maxSize = maxSize;
data = new Object[maxSize];
top = -1;
}

/**
* »ñÈ¡¶ÑÕ»³¤¶È
* @return ¶ÑÕ»³¤¶È
*/
public int getSize()
{
return maxSize;
}

/**
* ·µ»ØÕ»ÖÐÔªËØµÄ¸öÊý
* @return Õ»ÖÐÔªËØµÄ¸öÊý
*/
public int getElementCount()
{
return top;
}

/**
* ÅжÏÕ»¿Õ
* @return Õ»¿Õ
*/
public boolean isEmpty()
{
return top == -1;
}

/**
* ÅжÏÕ»Âú
* @return Õ»Âú
*/
public boolean isFull()
{
return top+1


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