stackdemo.java

来自「JAVA的一些基础教程」· Java 代码 · 共 29 行

import java.util.Stack;                                    
                                                           
public class StackDemo                                     
{                                                          
    public static void main( String[] args )               
    {                                                      
        Stack stack = new Stack();                         
                                                           
        stack.push( new Integer( 1 ) );                    
         stack.push( new Integer( 2 ) );                   
         stack.push( new Integer( 3 ) );                   
         stack.push( new Integer( 4 ) );                   
         stack.push( new Integer( 5 ) );                   
         stack.push( new Integer( 6 ) );                   
                                                           
 	int i=0;                                              
         while( !stack.empty() )                           
         {                                                 
 	    i++;                                              
 	    if(i ==5) {                                       
 		Integer element = ( Integer )stack.peek();    
 		System.out.println("Element peek:" + element);
 	    }                                                 
             Integer element = ( Integer )stack.pop();     
 	                                                      
             System.out.println( "Element: " + element );  
         }                                                 
     }                                                     
 }