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/* *************************************************************************

*** Filename:Mystack.java
    Associated java files: TreeGUI.java, NodeGUI.java, TwoThreetree.java
    Compiler : JDK 1.1.4

*** °ú    ¸ñ : È­ÀÏ󸮷Ð
*** ´ã´ç±³¼ö : ¹Ú¿µ¹è
 

*** ¸íÁö´ëÇб³ ÄÄÇ»ÅͰøÇаú 3Çг⠹ÎÁ¤½Ä
*** E-Mail : mxxk@uriel.net
*** Execute on(Refe. to) http://www.uriel.net/~mxxk/File/btree.html
*** **********************************************************************/
 

public class Mystack {
  int ele[];
  int top;

  public Mystack(int size) {
    ele = new int[size];
    top = -1;
  }

  public int pop() {
    return ele[top--];
  }
  public void push(int key) {
    ele[++top] = key;

  }
  public void clear() {
    for(int i = 0; i < ele.length; i++)
      ele[i] = 0;
    top = -1;
  }
  public boolean empty() {
    if (top == -1)
      return true;
    else
      return false;
  }

}



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